141 FOUS51 KLWX 181739 AFMLWX Area Forecast Matrices National Weather Service Baltimore MD/Washington DC 138 PM EDT Wed Aug 18 2021 DCZ001-VAZ054-182100- District of Columbia-Arlington/Falls Church/Alexandria- Including the cities of Washington, Arlington, Alexandria, and Falls Church 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 87 88 74 90 72 82 Temp 83 83 79 77 76 75 76 83 87 87 81 77 74 73 74 78 79 80 75 Dewpt 77 78 76 76 76 74 74 74 73 73 73 73 73 72 72 73 72 71 72 RH 82 85 91 97100 97 94 74 63 63 77 87 97 97 93 85 79 74 90 Wind dir S S S S SW SW W W W W W W W NW NW N N N N Wind spd 12 12 9 8 6 4 5 6 6 6 4 3 3 2 2 4 4 5 2 Clouds B2 B1 B1 B1 SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 90 40 30 30 40 QPF 12hr 0.27-0.34 0 0.04 0.01 0.09 Rain shwrs D SC SC IS C C C C C C C C C C C C S Tstms L C C S S S S S S Heat index 92 92 89 95 95 86 81 83 Max heat 95 97 97 98 84 84 85 Flash Flood A A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 84 70 87 71 88 71 88 Temp 72 73 83 76 71 72 85 79 73 73 86 79 73 73 87 80 Dewpt 71 72 73 73 71 72 72 73 72 72 71 71 71 70 69 70 PWind dir NW E S W SW NW NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC B1 SC SC SC SC SC SC SC SC FW FW FW FW FW PoP 12hr 20 60 30 40 10 30 5 20 Rain shwrs S S L L C C C C C C S S Tstms S C S S S S $$ MDZ011-182100- Southern Baltimore- Including the city of Baltimore 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 85 88 71 73 78 85 89 91 69 72 76 80 83 86 Temp 83 81 78 77 76 74 75 82 86 86 80 76 74 73 74 79 81 80 76 Dewpt 78 78 76 76 75 73 73 74 75 75 74 73 72 71 71 72 72 71 71 RH 85 91 94 97 97 97 94 77 70 70 82 90 93 93 90 79 74 74 85 Wind dir SE S S S S SW W W W W W NW NW NW NW N NW N N Wind spd 13 13 11 9 8 5 6 8 9 8 3 2 2 2 2 4 5 5 2 Wind gust 25 24 23 19 18 19 Clouds B2 B2 B1 B2 B1 SC SC SC B1 SC B1 B1 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 90 60 30 20 40 QPF 12hr 0.29-0.42 0.09-0.24 0.04-0.10 0.01 0.06 Rain shwrs NM D NM NM C C C C S S S S S S C C S Tstms C L L C S S S S S S Heat index 92 89 89 95 94 84 80 84 82 Max heat 97 97 87 85 99 99 89 87 87 Flash Flood A A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 83 70 85 71 87 70 87 Temp 72 73 83 76 72 72 85 78 72 73 86 79 72 73 87 79 Dewpt 70 72 74 73 71 71 73 73 71 72 72 71 70 70 71 70 PWind dir NW E E S SW NW NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 B1 SC SC SC SC SC SC FW FW FW FW FW PoP 12hr 20 70 30 50 20 30 10 30 Rain shwrs S S L L C C C C S S C C C C Tstms S C S S S S S $$ MDZ004-182100- Frederick MD- Including the cities of Frederick and Ballenger Creek 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 84 87 68 70 72 81 87 90 66 69 70 75 80 83 Temp 79 79 76 74 73 71 73 80 84 83 78 73 71 70 71 76 78 78 73 Dewpt 77 77 75 74 72 70 71 73 73 73 72 70 70 69 70 72 71 70 70 RH 94 94 97100 97 97 93 79 70 72 82 90 97 97 97 87 79 76 90 Wind dir S S S S SW SW W W W NW NW NW W NW NW N NW N N Wind spd 13 12 9 8 8 5 5 9 8 6 3 3 2 2 2 4 4 4 2 Wind gust 26 26 21 20 19 18 19 19 18 17 13 Clouds OV OV B2 B1 SC SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 90 40 30 20 40 QPF 12hr 0.36-0.60 0.00-0.09 0 0 0.06-0.15 Rain shwrs D NM SC C C C C S S S S S S C C S Tstms L L C S S S S S Heat index 83 84 84 91 88 Max heat 91 94 96 97 85 87 Flash Flood A A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 82 67 85 67 86 67 86 Temp 68 70 82 75 69 69 85 78 70 71 86 78 70 70 86 78 Dewpt 67 69 73 72 69 69 73 72 69 70 72 71 68 68 70 71 PWind dir NW E SE W SW NW NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC B1 B1 SC B1 SC SC SC SC SC FW FW FW FW SC PoP 12hr 20 60 30 40 10 30 5 20 Rain shwrs S L L C C C C S S C C S S Tstms S C S S S S S $$ MDZ005-182100- Carroll- Including the cities of Eldersburg and Westminster 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 83 88 70 71 74 85 87 91 68 69 71 79 80 85 Temp 80 79 76 74 73 71 72 80 84 83 77 73 71 70 70 76 78 77 74 Dewpt 77 77 76 74 72 71 72 74 74 73 73 71 69 69 69 72 71 70 70 RH 91 94100100 97100100 82 72 72 87 93 93 97 97 87 79 79 87 Wind dir SE S S S S SW W W W NW NW NW NW NW NW N NW N N Wind spd 13 13 10 9 8 6 6 9 9 8 3 2 2 2 2 4 4 4 2 Wind gust 24 21 19 18 17 Clouds OV OV B2 B2 B1 SC SC SC B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 B2 PoP 12hr 90 60 40 20 40 QPF 12hr 0.43-0.60 0.04-0.23 0.02 0 0.03-0.09 Rain shwrs D NM NM IS C C C C S S S S S S C C S Tstms L L L S S S S S S Heat index 86 80 84 91 89 Max heat 93 94 94 95 85 87 Flash Flood A A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 82 67 85 68 86 67 86 Temp 68 70 82 74 69 70 84 77 70 71 86 78 69 70 86 78 Dewpt 67 70 73 72 69 70 73 72 69 70 72 71 68 68 70 70 PWind dir N E SE W SW NW NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC B1 B1 B1 B1 SC SC SC SC SC FW FW FW FW SC PoP 12hr 20 60 30 40 20 30 5 20 Rain shwrs S L L C C C C S S C C S S Tstms S C S S S S S $$ MDZ006-182100- Northern Baltimore- Including the cities of Reisterstown and Cockeysville 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 84 86 71 86 87 89 68 69 71 80 81 83 Temp 81 79 77 75 74 72 73 80 84 84 78 73 71 70 71 77 79 78 74 Dewpt 78 78 76 75 73 72 72 74 75 75 73 72 70 69 70 72 72 71 71 RH 91 97 97100 97100 97 82 74 74 85 97 97 97 97 85 79 79 90 Wind dir SE SE S S S SW W W W W W NW NW NW NW N NW N N Wind spd 12 12 10 8 6 5 6 8 8 6 3 2 2 2 2 4 4 4 2 Wind gust 23 24 20 18 17 18 17 17 Clouds B2 OV B2 B2 B1 SC SC SC B1 SC B1 B1 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 100 70 40 20 40 QPF 12hr 0.33-0.50 0.13-0.30 0.03-0.09 0 0.04 Rain shwrs D D NM SC C C C C S S S S S S C C S Tstms L L L C S S S S S S Heat index 89 82 85 92 91 Max heat 94 94 96 97 84 85 Flash Flood A A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 82 68 85 68 86 67 86 Temp 69 70 82 74 69 70 84 76 70 70 86 77 70 70 86 78 Dewpt 69 70 74 73 69 70 74 73 70 70 72 71 69 68 70 70 PWind dir N E SE W SW NW NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC B1 B1 B1 B1 SC SC SC SC SC FW FW FW FW FW PoP 12hr 20 70 30 50 20 30 5 30 Rain shwrs S S L L C C C C S S C C C C Tstms S C S S S S S $$ MDZ507-182100- Northwest Harford- Including the city of Jarrettsville 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 85 87 71 86 69 81 Temp 82 80 76 76 74 72 74 81 84 84 78 73 71 70 71 77 79 78 74 Dewpt 78 78 76 75 74 72 73 75 76 75 74 72 71 70 70 72 72 72 71 RH 88 94100 97100100 97 82 77 74 88 97100100 97 85 79 82 90 Wind dir SE S S S S SW W W W W W NW NW NW NW N NW NW NW Wind spd 12 12 10 9 8 6 6 6 8 8 3 2 2 2 3 3 4 5 2 Wind gust 23 23 20 18 18 17 Clouds B2 OV B2 B2 B2 SC SC SC B1 SC B1 B1 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 90 70 40 20 40 QPF 12hr 0.25-0.38 0.25-0.38 0.06-0.14 0 0.03 Rain shwrs NM D NM NM C C C C S S S S S S C C S Tstms C L L C S S S S S S Heat index 91 84 86 93 92 80 Max heat 96 97 97 98 86 86 Flash Flood A A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 82 67 83 68 86 67 85 Temp 69 70 82 73 68 69 83 75 70 70 85 75 69 70 85 76 Dewpt 69 70 75 73 68 69 74 73 70 70 73 72 69 69 72 71 PWind dir N E E W SW NW NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 B1 B1 SC SC SC SC SC FW FW FW FW FW PoP 12hr 20 70 40 50 20 30 10 30 Rain shwrs S S L L C C C C S S C C C C Tstms S C S S S S S $$ MDZ508-182100- Southeast Harford- Including the city of Aberdeen 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 87 89 72 73 77 86 88 90 69 71 75 81 83 85 Temp 84 82 78 77 76 74 76 82 86 86 80 75 73 72 73 79 81 80 75 Dewpt 77 77 76 76 75 74 74 75 76 75 74 74 72 70 71 72 72 72 71 RH 80 85 94 97 97100 94 79 72 70 82 97 97 93 93 79 74 77 87 Wind dir S S S S S SW SW W W W W NW NW NW N NW NW NW NW Wind spd 12 12 11 10 9 6 8 6 8 8 4 3 2 3 3 3 4 4 2 Wind gust 23 23 21 19 18 19 17 Clouds B2 B2 B2 B2 B2 SC SC SC B1 SC B1 B1 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 90 70 40 20 40 QPF 12hr 0.22-0.32 0.18-0.35 0.10-0.16 0.01 0.04 Rain shwrs NM D NM NM C C C C S S S S S S C C S Tstms S L L C S S S S S S Heat index 95 90 89 96 95 82 86 82 Max heat 99 100 88 100 100 89 90 90 Flash Flood A A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 69 83 69 84 69 86 69 86 Temp 71 72 83 74 70 72 84 76 71 72 86 77 70 72 86 77 Dewpt 70 72 75 73 70 71 74 73 70 72 73 71 70 71 72 71 PWind dir N E E W SW NW NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 SC B1 SC SC SC SC SC SC FW FW FW FW FW PoP 12hr 20 70 40 50 20 30 10 20 Rain shwrs S S L L C C C C S S C C S S Tstms S C S S S S S $$ MDZ008-182100- Cecil- Including the city of Elkton 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 87 90 71 73 77 86 87 90 69 71 75 81 83 84 Temp 84 83 77 76 75 74 75 82 85 85 79 74 73 72 73 78 81 80 75 Dewpt 76 76 75 75 75 74 74 74 75 74 74 73 72 70 71 72 71 71 71 RH 77 80 94 97100100 97 77 72 70 85 97 97 93 93 82 72 74 87 Wind dir SE SE SE S S SW SW W W W W W NW NW NW NW NW NW NW Wind spd 11 11 10 9 8 6 8 8 9 8 3 2 2 2 3 4 4 4 2 Wind gust 21 23 Clouds B2 B2 B2 B2 B2 B1 SC SC B1 SC SC B1 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 90 70 40 20 40 QPF 12hr 0.12-0.25 0.20-0.39 0.16 0 0.02 Rain shwrs SC D NM NM IS C C C C S S S S S S C C S Tstms S C L C S S S S S S Heat index 93 90 87 93 93 80 84 82 Max heat 98 98 88 87 97 98 85 88 88 Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 69 83 69 84 69 86 68 86 Temp 71 71 82 75 70 71 83 76 70 72 84 76 70 71 85 76 Dewpt 70 71 74 73 70 71 73 72 70 71 72 71 69 69 71 70 PWind dir NW E E NW NE NW NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 B1 SC SC SC SC SC SC FW FW FW FW FW PoP 12hr 20 70 40 50 20 30 10 20 Rain shwrs S S L L C C C C S S C C S S Tstms S C S S S S $$ MDZ503-182100- Northwest Montgomery- Including the cities of Germantown and Damascus 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 71 86 88 89 69 78 80 81 Temp 80 80 77 75 74 71 73 81 85 83 79 74 72 70 71 76 78 77 74 Dewpt 77 77 76 75 73 71 72 74 74 73 72 71 71 70 71 72 71 71 70 RH 91 91 97100 97100 97 79 70 72 79 90 97100100 87 79 82 87 Wind dir S S S S SW SW W W W NW NW NW NW NW NW N NW N N Wind spd 13 12 10 8 6 5 5 9 8 8 3 3 2 2 3 4 4 4 2 Wind gust 24 Clouds B2 B2 B1 B1 SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 90 40 30 30 40 QPF 12hr 0.29-0.42 0.01 0.02 0.01 0.09 Rain shwrs D SC SC IS C C C C C C S S S S C C S Tstms L C C S S S S S S Heat index 86 86 86 92 89 80 Max heat 91 93 95 95 Flash Flood A A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 82 67 85 68 87 67 86 Temp 69 70 82 74 69 70 85 78 70 71 87 78 70 70 86 79 Dewpt 69 70 73 72 69 70 73 73 70 71 72 71 69 68 70 70 PWind dir N E E W SW NW NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC B1 SC B1 SC SC SC SC SC FW FW FW FW FW PoP 12hr 20 60 30 40 10 30 5 20 Rain shwrs S L L C C C C C C S S Tstms S C S S S S $$ MDZ504-182100- Central and Southeast Montgomery- Including the cities of Bethesda, Rockville, Gaithersburg, and Silver Spring 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 85 87 72 87 88 90 69 70 72 79 81 82 Temp 82 81 78 76 75 73 74 81 85 84 79 75 73 71 72 77 79 78 74 Dewpt 77 77 76 75 74 72 72 74 73 73 73 72 72 71 71 72 72 71 71 RH 85 88 94 97 97 97 93 79 67 70 82 90 97100 97 85 79 79 90 Wind dir S S S S SW SW W W W NW NW W NW NW NW N NW N N Wind spd 12 12 9 8 6 5 6 8 8 6 3 3 3 3 3 4 5 5 2 Wind gust 23 Clouds B2 B2 B1 B1 SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 90 40 30 30 40 QPF 12hr 0.29-0.39 0.01 0.04 0.01 0.08 Rain shwrs D SC SC IS C C C C C C C C S S C C S Tstms L C C S S S S S S Heat index 89 88 87 93 91 81 Max heat 93 95 97 97 84 83 Flash Flood A A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 83 69 86 69 87 69 87 Temp 70 71 83 75 71 70 86 78 71 71 87 79 71 72 87 79 Dewpt 69 71 73 72 70 70 72 72 71 71 71 71 70 69 69 70 PWind dir NW E SE W SW NW NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC B1 SC B1 SC SC SC SC SC FW FW FW FW FW PoP 12hr 20 60 30 40 10 30 5 20 Rain shwrs S S L L C C C C S S C C S S Tstms S C S S S S S $$ MDZ506-182100- Central and Southeast Howard- Including the cities of Columbia and Ellicott City 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 85 86 71 72 74 87 88 90 69 70 72 80 81 84 Temp 81 80 77 76 74 72 74 81 85 85 79 74 72 71 72 78 79 78 74 Dewpt 78 78 76 75 74 72 72 74 75 74 73 72 72 70 71 72 72 71 71 RH 91 94 97 97100100 93 79 72 70 82 93100 97 97 82 79 79 90 Wind dir SE SE S S SW SW W W W W W W NW NW NW N NW N N Wind spd 13 13 10 9 6 5 6 9 9 8 3 3 2 2 3 5 5 5 2 Wind gust 24 Clouds B2 B2 B1 B1 B1 SC SC SC SC SC B1 B1 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 90 50 30 30 40 QPF 12hr 0.40 0.03-0.12 0.05 0.01 0.07 Rain shwrs D NM SC SC C C C C C C S S S S C C S Tstms L L C C S S S S S S Heat index 90 88 87 94 92 80 Max heat 95 93 96 98 87 87 Flash Flood A A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 83 68 85 68 87 68 87 Temp 70 71 83 74 70 70 85 77 70 71 86 78 71 71 87 78 Dewpt 69 71 74 73 70 70 74 73 70 71 72 71 69 69 70 70 PWind dir NW E SW W SW NW NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC B1 B1 SC B1 SC SC SC SC SC SC FW FW FW FW PoP 12hr 20 70 30 40 20 30 5 20 Rain shwrs S S L L C C C C S S C C S S Tstms S C S S S S S $$ MDZ505-182100- Northwest Howard- Including the city of Lisbon 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 71 87 69 78 80 81 Temp 80 79 76 75 73 71 72 81 84 83 78 73 71 70 70 77 77 76 73 Dewpt 78 78 76 75 73 71 72 74 75 73 73 71 71 69 70 72 72 71 70 RH 94 97100100100100100 79 74 72 85 93100 97100 85 85 85 90 Wind dir SE S S S SW SW W W W NW NW NW NW NW NW N NW N N Wind spd 13 13 10 9 8 6 6 10 10 9 3 3 3 3 3 5 5 5 2 Wind gust 24 Clouds B2 B2 B2 B1 B1 SC SC SC B1 SC B1 B1 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 90 50 30 20 40 QPF 12hr 0.41 0.03-0.10 0.03 0.01 0.07 Rain shwrs D NM SC IS C C C C S S S S S S C C S Tstms L L C S S S S S S Heat index 87 86 92 89 Max heat 91 90 94 95 Flash Flood A A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 82 67 84 68 86 67 86 Temp 68 70 82 73 70 70 84 77 70 71 86 77 70 70 86 77 Dewpt 68 70 73 73 69 70 73 73 70 71 72 71 69 68 70 70 PWind dir NW E S W SW NW NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC B1 SC B1 SC SC SC SC SC SC FW FW FW SC PoP 12hr 20 70 30 40 10 30 5 20 Rain shwrs S L L C C C C S S C C S S Tstms S C S S S S S $$ VAZ506-182100- Eastern Loudoun- Including the cities of Leesburg, Ashburn, and Sterling 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 85 86 67 71 72 86 89 90 65 69 70 78 81 82 Temp 81 82 78 76 74 71 74 82 87 85 80 75 73 71 71 77 79 78 74 Dewpt 77 77 76 75 73 71 72 73 72 72 73 72 71 70 71 72 71 70 71 RH 88 85 94 97 97100 93 74 61 65 79 90 93 97100 85 77 76 90 Wind dir S S S S SW SW W W NW NW NW NW NW NW NW N N N N Wind spd 12 11 8 6 5 3 3 6 5 6 3 2 2 2 2 3 3 3 2 Wind gust 23 21 Clouds B2 B2 B1 B1 SC SC SC SC SC SC B1 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 80 30 40 30 50 QPF 12hr 0.24-0.32 0 0.01 0.01 0.12 Rain shwrs SC SC SC S S C C C C C C C C C C S Tstms C C C S S S S S Heat index 88 90 88 94 91 84 Max heat 91 93 96 97 83 83 Flash Flood A A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 83 67 87 68 88 68 88 Temp 69 70 83 76 69 70 86 80 71 70 88 79 71 71 88 80 Dewpt 69 70 73 73 69 70 72 72 70 70 71 71 69 68 69 70 PWind dir NW NE S W SW NW NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC B1 SC SC SC SC SC SC SC FW FW SC FW SC PoP 12hr 20 60 20 40 10 30 5 20 Rain shwrs S L L S S C C C C S S Tstms S C S S S S $$ VAZ505-182100- Western Loudoun- Including the city of Purcellville 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 84 85 70 82 88 89 69 75 80 81 Temp 80 81 77 74 73 71 73 81 85 84 79 74 72 70 71 76 78 77 73 Dewpt 77 76 75 73 71 70 72 73 72 71 71 71 70 70 70 71 70 69 70 RH 91 85 94 97 93 97 97 77 65 65 77 90 93100 97 85 76 76 90 Wind dir S S S S SW SW W W NW NW NW NW NW NW NW N N N N Wind spd 12 11 8 6 5 4 4 8 6 5 3 2 2 2 2 3 3 3 2 Wind gust 24 21 Clouds B2 B2 B1 B1 SC SC SC SC SC B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 70 20 30 30 50 QPF 12hr 0.21-0.37 0 0 0.01 0.12 Rain shwrs SC NM IS S S C C C C S S C C C C S Tstms C L S S S S S S Heat index 85 86 86 91 89 Max heat 89 93 94 95 Flash Flood A A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 82 66 86 67 87 67 87 Temp 68 69 82 75 69 69 85 78 70 70 87 78 70 70 87 78 Dewpt 68 69 72 72 68 69 72 72 69 70 70 71 68 68 69 70 PWind dir NW NE S W SW NW NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC B1 SC SC SC SC SC SC FW SC FW FW FW FW PoP 12hr 20 60 20 40 10 30 5 30 Rain shwrs S L L S S C C C C C C Tstms S C S S S S $$ VAZ501-182100- Northern Fauquier- Including the city of Warrenton 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 84 86 67 69 71 83 88 90 66 68 69 76 79 81 Temp 80 81 77 73 71 70 72 82 86 84 77 73 70 70 70 75 77 76 72 Dewpt 77 76 75 73 71 69 71 73 72 72 72 71 70 69 70 72 71 71 71 RH 91 85 94100100 97 97 74 63 67 85 93100 97100 90 82 85 97 Wind dir S S S S SW SW W NW NW NW NW W NW NW NW N N N N Wind spd 11 9 6 5 4 3 3 4 4 3 3 1 2 1 2 2 2 2 1 Wind gust 23 20 Clouds B1 B2 B1 SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 60 20 40 30 50 QPF 12hr 0.16-0.25 0 0.01 0.03 0.15 Rain shwrs SC SC IS S S C C C C S S C C C C S Tstms C C S S S S S S Heat index 85 87 87 92 89 Max heat 92 93 98 97 Flash Flood A A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 82 66 86 66 86 66 86 Temp 67 68 82 73 68 68 85 77 68 69 86 76 68 69 86 77 Dewpt 67 68 73 72 68 68 72 72 68 69 71 71 68 68 69 70 PWind dir NW NE W S W NW NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC SC SC SC SC SC SC FW SC SC FW FW FW PoP 12hr 20 60 20 40 10 30 5 30 Rain shwrs S L L S S C C C C C C Tstms S C S S S S $$ VAZ502-182100- Southern Fauquier- Including the city of Turnbull 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 85 87 70 90 69 81 Temp 82 82 78 75 73 71 72 83 88 85 78 73 71 70 71 76 79 77 73 Dewpt 78 78 76 75 72 71 72 74 74 74 75 73 71 70 71 74 73 73 73 RH 88 88 94100 97100100 74 63 70 91100100100100 94 82 87100 Wind dir S S S S SW SW W W W NW NW W NW NW NW N N N N Wind spd 11 10 5 4 4 2 2 4 4 4 2 3 2 1 1 2 2 3 1 Wind gust 21 20 Clouds B2 B1 B1 SC SC SC SC FW SC B1 B2 B2 B2 B2 OV B2 B1 B1 B1 PoP 12hr 70 20 40 40 50 QPF 12hr 0.15-0.22 0 0.01 0.05 0.15 Rain shwrs SC IS IS S S C C C C C C C C C C S Tstms C S S S S S S S Heat index 91 92 90 97 93 Max heat 94 97 99 100 83 82 Flash Flood A A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 84 66 87 67 88 67 88 Temp 68 69 84 75 69 69 87 79 70 70 88 78 69 69 88 78 Dewpt 68 69 74 74 69 69 74 73 70 70 73 73 69 69 71 72 PWind dir N NE NE S W NW NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC SC B1 SC SC SC SC SC SC SC SC FW FW PoP 12hr 20 60 20 30 10 30 5 20 Rain shwrs S S L L S S C C C C S S Tstms S C S S S S $$ VAZ052-182100- Prince William/Manassas/Manassas Park- Including the cities of Dale City, Manassas, Woodbridge, Lake Ridge, and Montclair 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 86 88 69 71 75 86 90 91 69 70 74 78 81 82 Temp 82 83 79 76 74 72 74 83 88 86 80 74 72 71 72 76 79 78 74 Dewpt 78 77 76 75 73 71 72 74 73 73 74 73 72 71 71 73 72 72 72 RH 88 82 91 97 97 97 93 74 61 65 82 97100100 97 90 79 82 93 Wind dir S S S S SW SW W W W NW NW W NW NW NW N N N N Wind spd 11 11 8 5 5 3 3 5 5 6 2 3 2 2 2 3 3 4 2 Wind gust 24 23 19 17 Clouds B2 SC B1 SC SC SC SC SC SC SC B2 B2 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 80 20 40 40 50 QPF 12hr 0.19-0.25 0 0.01 0.03 0.12 Rain shwrs SC IS IS S S C C C C C C C C C C S Tstms C S S S S S S S Heat index 90 91 90 96 93 82 Max heat 96 97 87 99 100 85 84 85 Flash Flood A A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 83 68 87 69 88 68 88 Temp 70 70 83 76 69 70 86 79 71 71 87 79 71 71 87 79 Dewpt 69 70 74 73 69 70 73 73 71 71 72 72 69 69 70 71 PWind dir N NE SW SW SW NW NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC SC SC SC SC SC SC SC SC SC SC FW FW PoP 12hr 20 60 20 30 10 30 5 20 Rain shwrs S S L L S S C C C C S S Tstms S C S S S S $$ VAZ053-182100- Fairfax- Including the cities of Reston, Herndon, Annandale, Centreville, Chantilly, McLean, and Franconia 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 86 88 71 72 75 88 89 91 69 71 73 81 Temp 82 82 79 77 75 74 75 83 87 86 81 76 73 72 73 77 79 79 75 Dewpt 77 77 76 75 74 72 72 73 72 72 73 73 72 71 72 72 72 71 71 RH 85 85 91 94 97 93 90 72 61 63 77 90 97 97 97 85 79 77 87 Wind dir S S S S SW SW W W W NW NW W NW NW NW N N N N Wind spd 12 12 8 6 6 4 4 6 6 6 3 2 3 3 3 4 4 4 2 Wind gust 23 Clouds B2 B1 B1 B1 SC SC SC SC SC SC B1 B2 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 90 30 40 30 50 QPF 12hr 0.22-0.31 0 0.02 0.02 0.10 Rain shwrs D SC SC S S C C C C C C C C C C S Tstms C C C S S S S S Heat index 90 90 89 94 92 85 Max heat 94 97 86 97 98 84 84 85 Flash Flood A A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 84 69 86 70 88 70 88 Temp 70 72 83 77 71 71 86 80 72 73 87 80 73 72 87 80 Dewpt 70 71 73 72 71 71 72 72 71 71 70 71 70 69 69 70 PWind dir N E S W SW NW NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC SC SC SC SC SC SC SC FW FW FW FW FW PoP 12hr 20 60 30 40 10 30 5 20 Rain shwrs S S L L C C C C C C S S Tstms S C S S S S $$ MDZ013-182100- Prince Georges- Including the cities of Bowie, Suitland-Silver Hill, Clinton, College Park, Greenbelt, Laurel, and Camp Springs 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 87 88 72 73 77 87 90 91 70 71 75 82 Temp 83 83 79 76 75 74 76 83 87 88 81 76 73 72 73 78 80 80 75 Dewpt 77 78 76 76 75 74 74 74 73 73 73 74 73 72 72 73 72 72 72 RH 82 85 91100100100 94 74 63 61 77 94100100 97 85 77 77 90 Wind dir SE S S S S SW W W W W W W W NW NW N N N N Wind spd 12 12 10 9 6 5 5 6 6 6 4 3 3 2 3 4 4 4 2 Clouds B2 B1 SC B1 SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 80 40 30 30 40 QPF 12hr 0.23-0.39 0.01 0.01-0.06 0.01 0.08-0.17 Rain shwrs D SC SC SC C C C C C C C C C C C C S Tstms C C C C S S S S S S Heat index 93 92 90 95 96 86 82 82 Max heat 98 100 89 99 100 87 86 88 Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 69 84 69 86 70 88 70 88 Temp 71 72 83 76 71 72 85 78 71 73 86 78 71 72 86 79 Dewpt 70 72 73 73 71 72 73 73 71 72 71 71 70 70 69 70 PWind dir NW E S W SW NW NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 SC SC SC SC SC SC SC SC FW FW FW FW FW PoP 12hr 20 60 30 40 10 30 5 20 Rain shwrs S S L L C C C C S S C C S S Tstms S C S S S S S $$ MDZ014-182100- Anne Arundel- Including the cities of Glen Burnie, Annapolis, Severn, South Gate, Severna Park, Arnold, and Odenton 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 86 88 70 74 77 84 89 91 69 72 76 78 83 86 Temp 84 83 79 77 76 74 76 83 87 87 81 77 74 73 74 79 81 81 76 Dewpt 78 78 76 76 75 74 74 74 75 75 74 74 73 71 72 73 72 72 72 RH 82 85 91 97 97100 94 74 68 68 79 90 97 93 93 82 74 74 87 Wind dir SE S S S S SW W W W W W W W NW NW N N N NW Wind spd 13 13 12 10 8 6 6 8 8 6 4 3 3 3 3 4 5 4 2 Wind gust 25 26 25 23 20 18 19 Clouds B2 B2 B1 B1 B1 SC SC SC SC SC B1 B1 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 90 50 30 30 40 QPF 12hr 0.22-0.39 0.01-0.12 0.06 0 0.05-0.12 Rain shwrs NM NM SC SC C C C C C C C C C C C C S Tstms C L C C S S S S S S Heat index 94 92 90 97 97 86 80 85 84 Max heat 98 98 89 99 100 89 90 90 Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 84 70 86 71 87 70 87 Temp 72 73 83 76 72 72 85 78 73 73 86 79 73 73 86 79 Dewpt 71 72 74 73 71 72 74 73 72 72 73 72 71 70 71 71 PWind dir NW E SW SE SW NW W NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 SC SC SC SC SC SC SC FW FW FW FW FW PoP 12hr 20 70 30 40 20 30 10 30 Rain shwrs S S L L C C C C S S C C C C Tstms S C S S S S S $$ VAZ040-182100- Rappahannock- Including the city of Washington 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 84 86 66 68 69 84 89 90 65 67 68 75 79 80 Temp 81 81 77 73 71 68 71 83 87 84 77 72 70 69 70 75 77 76 72 Dewpt 78 77 75 73 70 68 71 74 74 73 74 72 70 69 70 73 72 72 71 RH 91 88 94100 97100100 74 65 70 90100100100100 94 85 87 97 Wind dir S S S SW SW SW W NW NW NW NW NW NW NW NW N N NE N Wind spd 10 6 5 4 3 2 2 3 3 2 2 1 1 1 1 2 2 2 1 Wind gust 21 19 16 16 13 12 Clouds B1 B1 SC SC FW SC SC FW SC B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 30 10 40 30 50 QPF 12hr 0.17 0 0.02 0.05 0.15-0.21 Rain shwrs SC SC S S C C C C S S C C C C S Tstms C C S S S S S Heat index 88 88 89 95 91 Max heat 92 93 98 98 Flash Flood A A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 83 65 86 66 87 65 87 Temp 67 68 83 74 67 68 86 77 68 69 87 77 67 68 87 77 Dewpt 67 68 74 73 67 68 73 73 68 69 73 72 67 68 71 72 PWind dir NW N NW SE W NW NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC SC SC SC SC SC SC FW SC FW FW FW FW PoP 12hr 20 60 20 40 10 30 5 30 Rain shwrs S L L S S C C C C C C Tstms S C S S S S $$ VAZ051-182100- Culpeper- Including the city of Culpeper 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 85 88 67 69 71 89 90 92 68 79 80 83 Temp 82 82 78 74 72 70 71 83 88 85 78 73 71 70 71 75 78 76 73 Dewpt 78 78 76 74 72 70 71 74 74 74 75 73 71 70 71 74 73 73 73 RH 88 88 94100100100100 74 63 70 91100100100100 97 85 90100 Wind dir S S S SW SW SW W W W NW NW NW NW NW NW N N NE N Wind spd 11 9 5 3 3 2 2 3 3 3 2 2 1 1 1 2 2 2 1 Wind gust 19 Clouds B1 SC SC SC FW FW SC FW SC B1 B2 B2 B2 B2 OV B2 B1 B1 B1 PoP 12hr 40 10 40 40 50 QPF 12hr 0.16 0 0.01-0.07 0.04-0.09 0.15-0.20 Rain shwrs SC IS S S C C C C S S C C C C S Tstms C S S S S S S Heat index 91 91 90 97 93 Max heat 94 96 99 99 84 83 Flash Flood A A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 84 66 86 66 88 66 87 Temp 68 68 84 75 69 69 86 78 69 69 88 78 69 69 87 78 Dewpt 68 68 74 74 69 69 74 74 69 69 73 73 69 69 71 73 PWind dir N NE N SE NW NW NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC SC SC SC SC SC SC SC SC SC SC FW FW PoP 12hr 20 60 20 30 10 30 5 30 Rain shwrs S S L L S S C C C C C C Tstms S C S S S S $$ VAZ039-182100- Madison- Including the city of Madison 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 84 86 68 83 89 91 66 68 69 73 79 81 Temp 81 81 77 73 71 68 71 83 87 84 76 72 70 69 70 75 77 75 72 Dewpt 76 76 75 72 70 68 70 73 72 73 74 72 70 69 70 72 72 72 71 RH 85 85 94 97 97100 97 72 61 70 94100100100100 90 85 90 97 Wind dir S S S SW SW SW SW W W W NW NW NW NW NW N NE E N Wind spd 11 9 5 3 3 3 2 3 4 3 2 2 1 1 1 2 2 2 1 Wind gust 21 19 16 14 Clouds B1 B1 SC SC FW FW FW FW SC B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 30 5 40 30 60 QPF 12hr 0.18 0 0.04 0.07 0.17-0.22 Rain shwrs IS IS S S C C C C S S C C L L S Tstms S S S S S S S Heat index 86 87 88 94 90 Max heat 90 92 97 97 Flash Flood A A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 83 66 86 66 87 66 87 Temp 67 68 83 74 68 68 86 77 68 69 87 77 67 69 87 77 Dewpt 67 68 72 72 68 68 72 73 68 69 71 72 67 68 70 71 PWind dir N E NW SE W NW NW N Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC SC SC SC SC SC SC FW SC FW FW FW FW PoP 12hr 30 60 20 30 10 30 5 30 Rain shwrs S L L S S C C C C C C Tstms S C S S S S $$ VAZ038-182100- Greene- Including the city of Stanardsville 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 85 87 69 88 91 91 67 69 70 78 80 81 Temp 82 82 78 73 71 69 71 83 88 85 77 72 70 70 70 76 78 76 72 Dewpt 74 75 73 72 70 68 70 71 70 71 72 71 70 69 69 71 71 71 70 RH 77 79 85 97 97 97 97 67 55 63 85 97100 97 97 85 79 85 93 Wind dir S S SW SW SW SW SW W W W NW N NW NW NW N NE E NE Wind spd 10 9 5 3 3 3 2 3 4 4 2 3 2 2 1 2 3 3 2 Wind gust 21 Clouds B1 B1 SC SC FW FW FW FW SC B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 30 5 40 30 60 QPF 12hr 0.18 0 0.04 0.07 0.19-0.25 Rain shwrs IS IS C C C C S S C C L L C Tstms S S S S S S S Heat index 88 89 88 94 90 Max heat 91 92 96 96 Flash Flood A A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 85 66 87 67 88 67 88 Temp 67 68 85 75 69 69 87 78 69 70 88 78 69 69 88 79 Dewpt 67 68 70 71 68 68 70 71 68 69 69 71 68 68 68 70 PWind dir NW E NW S W NW NW N Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC SC SC SC FW SC FW FW FW SC PoP 12hr 30 60 20 30 10 30 5 30 Rain shwrs C S L L S S C C C C C C Tstms S C S S S S $$ VAZ050-182100- Orange- Including the cities of Orange and Gordonsville 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 85 87 69 90 69 78 80 81 Temp 81 82 78 74 72 70 72 83 88 84 77 72 71 70 71 75 78 75 72 Dewpt 77 76 76 74 72 70 71 73 73 73 74 72 71 70 71 73 73 73 72 RH 88 82 94100100100 97 72 61 70 90100100100100 94 85 94100 Wind dir S S S SW SW SW SW W W W NW NW NW NW N N N NE NE Wind spd 11 10 5 4 3 3 3 3 3 4 2 3 1 1 1 2 2 3 1 Clouds B1 SC SC FW FW FW SC FW SC B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 40 10 40 40 50 QPF 12hr 0.13-0.19 0 0.01-0.09 0.07-0.13 0.17 Rain shwrs IS S S C C C C S S C C C C C Tstms S S S S S S Heat index 89 89 89 95 91 Max heat 94 94 98 99 Flash Flood A A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 83 66 86 67 87 66 87 Temp 68 69 83 74 68 69 86 77 69 70 87 77 68 69 87 77 Dewpt 68 69 73 73 68 69 73 73 69 70 72 72 68 69 70 72 PWind dir N NE W SW W NW NW N Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC SC SC SC SC SC SC SC SC SC FW FW FW PoP 12hr 30 60 20 30 10 30 5 20 Rain shwrs C S L L S S C C C C S S Tstms S C S S S S $$ VAZ056-182100- Spotsylvania- Including the city of Fredericksburg 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 85 88 69 71 73 89 91 92 68 69 72 79 81 83 Temp 82 83 79 75 73 71 73 84 89 87 79 73 71 70 72 76 79 78 73 Dewpt 78 77 76 75 73 71 72 74 73 73 74 73 71 70 72 73 73 73 73 RH 88 82 91100100100 97 72 59 63 85100100100100 90 82 85100 Wind dir S S S S SW SW SW W W W NW NW NW NW N N N N N Wind spd 11 10 5 4 4 3 3 3 4 4 2 3 1 1 2 2 3 3 1 Wind gust 20 Clouds B1 SC SC SC FW FW SC FW SC B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 70 10 40 40 50 QPF 12hr 0.13 0 0.00-0.08 0.07-0.18 0.15-0.21 Rain shwrs SC S S C C C C C C C C C C C Tstms C S S S S S Heat index 91 91 91 96 94 80 Max heat 96 98 99 102 84 86 Flash Flood A A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 84 67 87 68 87 67 87 Temp 69 70 84 75 69 70 86 78 70 71 87 78 69 70 87 77 Dewpt 69 70 73 73 69 70 73 73 70 71 73 72 69 69 70 72 PWind dir N NE SW SW SW NW NW N Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 SC SC SC SC SC SC SC SC SC SC SC FW FW FW PoP 12hr 30 60 20 30 10 30 5 20 Rain shwrs C S L L S S C C C C S S Tstms S C S S S S $$ VAZ055-182100- Stafford- Including the city of Falmouth 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 86 88 70 72 75 88 91 92 69 70 74 78 81 82 Temp 82 83 79 76 74 72 74 83 89 87 79 74 72 71 72 76 79 79 74 Dewpt 79 78 76 75 73 72 72 74 74 74 75 74 72 71 72 74 74 74 73 RH 91 85 91 97 97100 93 74 61 65 88100100100100 94 85 85 97 Wind dir S S S S SW SW W W W W W W NW NW NW N N N N Wind spd 11 11 6 5 4 3 3 5 5 5 2 3 2 2 2 3 3 4 2 Wind gust 23 23 18 17 Clouds B2 SC SC SC SC SC SC FW SC SC B2 B2 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 70 20 40 40 50 QPF 12hr 0.14-0.20 0 0.01 0.05-0.10 0.12-0.17 Rain shwrs NM IS IS S S C C C C C C C C C C S Tstms C S S S S S S S Heat index 92 93 91 98 96 81 Max heat 96 99 87 101 102 86 85 87 Flash Flood A A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 84 68 87 69 88 68 88 Temp 70 70 84 76 70 70 86 78 71 71 87 79 71 71 87 79 Dewpt 69 70 74 74 69 70 74 73 70 71 73 72 69 69 71 72 PWind dir N E SW SE SW NW NW N Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC SC SC SC SC SC SC SC SC SC FW FW FW PoP 12hr 30 60 20 30 10 30 5 20 Rain shwrs S S L L S S C C C C S S Tstms S C S S S S $$ VAZ057-182100- King George- Including the city of Dahlgren 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 87 88 72 73 76 89 91 92 70 72 74 81 Temp 84 84 79 77 76 74 76 83 88 89 81 75 74 73 74 76 79 80 75 Dewpt 77 78 77 76 75 74 74 74 74 74 75 74 73 72 73 74 73 73 73 RH 80 82 94 97 97100 94 74 63 61 82 97 97 97 97 94 82 79 94 Wind dir S S S S S SW W W W W NW W NW NW NW N N N N Wind spd 12 11 8 6 5 4 3 5 5 5 3 4 2 2 2 4 4 4 2 Clouds B2 B1 SC SC SC SC FW FW FW SC B1 B2 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 80 20 30 40 50 QPF 12hr 0.18 0 0 0.09 0.16-0.21 Rain shwrs D IS IS IS S S C C C C C C C C C C C Tstms C S S S S S S S S S S Heat index 94 94 81 91 97 98 87 84 Max heat 97 100 88 101 102 89 84 86 Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 69 84 70 87 70 88 70 87 Temp 71 72 83 76 71 72 85 78 71 73 86 79 71 72 86 79 Dewpt 71 72 73 73 71 72 73 73 71 72 73 73 71 71 71 72 PWind dir N E SW E SW NW NW N Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 SC SC SC SC SC SC SC SC SC FW SC FW FW FW PoP 12hr 30 60 20 30 10 30 5 20 Rain shwrs C S L L S S C C C C S S Tstms S C S S S S $$ MDZ016-182100- Charles- Including the cities of St. Charles and Waldorf 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 86 88 72 73 77 86 90 92 69 71 75 78 81 83 Temp 83 83 80 77 76 74 76 83 87 88 81 75 74 73 73 77 79 80 75 Dewpt 77 78 76 76 75 74 74 74 73 74 74 74 73 72 73 74 73 72 73 RH 82 85 88 97 97100 94 74 63 63 79 97 97 97100 90 82 77 94 Wind dir S S S S S SW W W W W W W NW NW NW N N N N Wind spd 12 11 9 8 6 4 4 6 6 6 3 3 3 2 2 4 4 4 2 Wind gust 23 23 19 19 18 14 Clouds B2 B1 SC SC SC SC FW FW FW SC B1 B2 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 80 20 30 40 40 QPF 12hr 0.17-0.27 0 0.01 0.05 0.10-0.19 Rain shwrs D SC IS IS S S C C C C C C C C C C C Tstms C C S S S S S S S S S Heat index 93 93 82 90 95 97 87 82 Max heat 100 100 90 101 102 90 86 87 Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 69 83 70 86 70 87 70 87 Temp 71 72 81 76 71 72 84 78 71 73 85 79 71 72 85 79 Dewpt 71 72 73 73 71 72 73 73 71 73 72 72 71 71 70 71 PWind dir N E S SW SW NW NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 SC SC SC SC SC SC SC SC FW SC FW FW FW PoP 12hr 30 60 30 30 10 30 5 20 Rain shwrs C S L L C C C C C C S S Tstms S C S S S S $$ MDZ017-182100- St. Marys- Including the cities of Lexington Park and California 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 87 90 72 74 79 86 89 92 70 72 77 79 82 85 Temp 85 83 79 77 76 75 77 83 88 88 81 77 74 73 74 78 80 80 76 Dewpt 77 78 77 76 75 74 74 74 74 75 76 74 73 73 73 74 73 73 73 RH 77 85 94 97 97 97 90 74 63 66 85 90 97100 97 88 79 79 90 Wind dir S S S S S SW SW W W SW SW W W NW NW N N N N Wind spd 13 13 11 10 9 6 5 6 6 5 3 3 4 3 3 3 5 4 2 Wind gust 25 23 21 21 18 Clouds B2 B2 SC SC SC SC SC FW FW FW B1 B2 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 80 20 30 40 40 QPF 12hr 0.14-0.26 0.01 0.01 0.05 0.17-0.23 Rain shwrs NM NM IS IS C C C C C C C C C C C C C Tstms C C S S S S S S S S S S Heat index 96 94 82 90 97 97 87 81 83 Max heat 100 102 89 87 99 101 91 85 89 90 Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 84 71 85 71 87 71 86 Temp 72 73 82 77 72 73 84 78 72 74 85 79 72 73 85 78 Dewpt 71 72 74 74 71 72 73 74 72 73 73 73 71 71 71 72 PWind dir NW SE S SW SW W NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 SC SC SC SC SC SC SC SC FW FW FW FW FW PoP 12hr 30 60 30 30 10 30 10 20 Rain shwrs C S L L C C C C C C S S Tstms S S C S S S $$ MDZ018-182100- Calvert- Including the cities of Chesapeake Beach, Huntingtown, Dunkirk, North Beach, Lusby, and Prince Frederick 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 87 89 72 74 77 86 90 91 70 72 76 79 83 84 Temp 85 84 79 77 76 75 76 84 88 88 81 76 74 73 74 78 80 81 76 Dewpt 78 79 77 76 76 74 74 75 75 76 76 74 73 72 73 74 74 74 73 RH 80 85 94 97100 97 94 74 66 68 85 94 97 97 97 88 82 79 90 Wind dir SE S S S S SW SW W W W SW W W NW NW NW N N N Wind spd 13 14 12 10 8 5 5 6 6 6 3 3 3 3 3 4 5 4 2 Wind gust 25 21 19 16 16 Clouds B2 B2 SC SC SC SC SC FW FW SC B1 B2 B2 B2 B2 B2 B2 B1 B1 PoP 12hr 80 30 30 30 40 QPF 12hr 0.17-0.28 0.01 0.01 0.03 0.10-0.20 Rain shwrs NM NM SC SC C C C C C C C C C C C C C Tstms C C C C S S S S S S S S Heat index 98 95 80 91 98 99 88 84 85 Max heat 101 101 90 102 103 91 89 90 Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 84 70 87 71 88 71 88 Temp 72 73 83 77 72 72 85 78 72 73 86 79 72 72 86 78 Dewpt 71 72 75 74 71 72 74 74 72 73 74 74 71 71 72 72 PWind dir W E S E SW W W NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 SC SC SC SC SC SC SC SC FW FW FW FW FW PoP 12hr 30 60 30 40 10 30 10 20 Rain shwrs C S L L C C C C S S C C S S Tstms S S C S S S S S $$ MDZ001-182100- Garrett- Including the cities of Mountain Lake Park, Oakland, and Grantsville 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 70 74 85 64 66 69 71 76 87 61 64 66 70 74 83 Temp 71 70 70 68 67 67 66 69 74 73 70 67 66 65 64 69 73 73 69 Dewpt 69 68 67 67 67 66 66 67 67 67 66 66 65 65 64 66 65 65 64 RH 93 93 90 97100 97100 93 79 81 87 97 97100100 90 76 76 84 Wind dir S SW W W W W W W W W W W W W NW NW NW N N Wind spd 10 9 9 8 8 8 6 6 6 5 4 3 3 3 3 4 4 3 2 Wind gust 24 23 21 21 21 23 23 20 18 18 16 13 Clouds OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 OV B2 B2 B1 B1 B1 SC PoP 12hr 80 40 50 30 40 QPF 12hr 0.22-0.46 0.02-0.09 0.02 0.02-0.11 0.10-0.17 Rain shwrs NM SC SC SC IS C C C C C C C C C C C C Tstms C C C S S S S S S Obvis PF PF PF Flash Flood A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 77 62 79 63 78 62 79 Temp 63 62 77 70 63 64 79 73 64 65 77 72 64 64 79 73 Dewpt 62 62 66 66 63 64 66 66 64 65 66 65 63 63 65 65 PWind dir SW S S W W W W W Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC SC SC SC SC SC FW SC SC FW PoP 12hr 10 50 20 40 20 30 10 30 Rain shwrs C C S S C C S S C C C C Tstms S C S S S C $$ MDZ501-182100- Extreme Western Allegany- Including the city of Frostburg 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 80 85 66 68 70 76 82 88 64 66 67 74 79 83 Temp 75 75 74 71 70 69 69 75 80 79 74 70 68 67 67 72 77 77 73 Dewpt 70 69 68 69 68 67 67 68 67 67 67 67 67 66 66 67 64 65 65 RH 84 82 82 93 93 93 93 79 65 67 79 90 97 97 97 84 64 67 76 Wind dir S SW SW W W W W NW NW NW NW W W NW NW NW N N NW Wind spd 10 10 9 9 8 8 6 8 8 6 5 4 4 4 3 4 4 5 2 Wind gust 23 23 21 21 20 21 23 20 18 13 Clouds OV OV B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 80 20 40 30 40 QPF 12hr 0.28-0.47 0.01 0.01 0.04 0.18 Rain shwrs NM IS IS IS IS C C C C C C C C C C C C Tstms C S S S S S S S S Heat index 81 Max heat 86 87 91 91 85 87 Flash Flood A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 81 64 84 65 84 65 85 Temp 66 66 81 74 66 67 84 77 67 67 83 76 66 67 84 78 Dewpt 64 65 66 68 65 66 66 68 66 66 66 66 65 65 65 66 PWind dir NW SE W W W W W NW Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC SC SC SC SC SC FW FW FW FW PoP 12hr 10 50 20 40 20 30 10 30 Rain shwrs C C S S C C S S C C C C Tstms S C S S S $$ WVZ503-182100- Western Mineral- Including the city of Elk Garden 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 79 85 66 68 70 76 81 88 64 65 67 73 77 83 Temp 75 75 72 70 69 68 68 74 79 77 73 69 67 66 65 71 76 76 71 Dewpt 70 69 68 67 67 66 66 68 67 67 67 66 65 65 64 66 65 65 65 RH 84 82 87 90 93 93 93 82 67 71 81 90 93 97 97 84 69 69 81 Wind dir S SW W W W W W W W NW W W W W NW NW N N N Wind spd 11 11 10 10 9 9 9 9 8 6 5 5 5 5 4 4 5 5 3 Wind gust 23 20 20 19 20 23 19 Clouds OV B2 B2 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 50 30 40 30 50 QPF 12hr 0.22-0.28 0.02 0.01 0.07 0.16 Rain shwrs SC IS SC IS IS C C C C C C C C C C C C Tstms C S C S S S S S S Obvis PF Heat index 80 Max heat 85 86 90 90 85 85 Flash Flood A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 81 63 83 65 82 64 84 Temp 65 64 81 72 65 65 83 75 66 66 82 74 66 66 83 76 Dewpt 63 63 67 67 64 64 67 67 65 65 67 66 64 63 65 66 PWind dir W SE W W W W W W Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC SC SC SC SC SC FW FW FW FW PoP 12hr 10 50 20 40 20 30 10 30 Rain shwrs C C S S C C S S C C C C Tstms S C S S S C $$ WVZ501-182100- Western Grant- Including the cities of Bayard and Mount Storm 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 70 77 85 63 66 69 69 77 86 60 64 66 68 74 83 Temp 73 72 69 68 67 67 67 72 75 74 69 66 65 65 65 68 73 73 68 Dewpt 70 69 67 67 66 66 66 68 68 68 66 65 64 64 64 66 66 66 64 RH 90 90 93 97 97 97 97 87 79 82 90 97 97 97 97 93 79 79 87 Wind dir SW SW W W W W W W W NW W W W W NW NW N N N Wind spd 12 12 10 10 10 9 9 10 9 8 6 5 5 5 5 6 6 5 4 Wind gust 25 25 24 23 23 23 24 20 Clouds OV B2 B2 B1 B1 B1 B1 B1 B2 B2 B2 B2 OV B2 B2 B1 B1 B1 B1 PoP 12hr 40 30 40 30 50 QPF 12hr 0.12-0.23 0.02-0.08 0.02 0.09 0.16-0.25 Rain shwrs SC IS SC SC IS C C C C C C C C C C C C Tstms C S C S S S S S S Obvis PF PF PF PF Flash Flood A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 78 62 80 63 79 63 81 Temp 63 63 77 69 63 64 80 72 64 65 78 70 63 65 80 72 Dewpt 62 62 67 65 62 64 67 66 63 64 67 65 63 63 65 65 PWind dir W S SW W W W W NW Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC SC SC SC SC SC FW SC SC SC PoP 12hr 10 50 20 40 20 30 10 30 Rain shwrs C C S S C C S S C C C C Tstms S C S S S C $$ MDZ502-182100- Central and Eastern Allegany- Including the city of Cumberland 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 82 87 69 81 85 90 66 77 80 83 Temp 78 77 75 72 70 69 70 78 83 81 76 71 68 67 67 73 78 79 74 Dewpt 73 72 70 69 68 67 68 69 69 69 68 68 67 67 67 68 67 67 66 RH 85 85 84 90 93 93 93 74 63 67 76 90 97100100 84 69 67 76 Wind dir SE SW SW SW SW W W W NW NW NW W W NW NW NW N N N Wind spd 11 10 8 6 5 5 4 6 8 6 4 3 2 2 2 3 4 5 2 Wind gust 23 21 18 16 17 17 Clouds OV OV B1 B1 SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 70 20 40 30 40 QPF 12hr 0.28-0.53 0 0.01 0.03 0.12-0.21 Rain shwrs NM SC IS IS C C C C C C S S C C C C S Tstms L C S S S S S S Obvis PF Heat index 86 84 80 Max heat 88 89 93 92 86 87 Flash Flood A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 83 64 86 65 86 64 87 Temp 66 66 82 75 66 67 86 78 67 68 85 77 68 67 86 79 Dewpt 65 66 69 69 66 66 68 69 67 67 68 67 66 65 67 67 PWind dir NW E W W W W W W Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC B1 SC SC SC SC SC SC SC SC SC FW FW FW FW PoP 12hr 20 60 20 40 20 30 10 20 Rain shwrs S L L S S C C S S C C S S Tstms S C S S S $$ WVZ504-182100- Eastern Mineral- Including the cities of Antioch, Keyser, New Creek, Ridgeville, Russelldale, Headsville, and Fort Ashby 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 84 86 69 79 86 89 65 74 80 83 Temp 80 80 76 73 70 69 70 78 84 83 77 71 68 67 67 73 79 80 75 Dewpt 73 71 69 69 69 67 68 70 70 69 68 69 68 67 67 69 68 67 67 RH 79 74 79 87 97 93 93 76 63 63 74 93100100100 87 69 65 76 Wind dir S SW SW SW SW W W W NW NW W W W W NW NW N N N Wind spd 11 11 8 8 5 5 4 8 8 8 5 4 3 3 2 4 5 5 3 Wind gust 21 18 17 18 18 Clouds OV B2 B1 SC SC SC B1 SC B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 50 20 40 30 50 QPF 12hr 0.19-0.41 0 0.01 0.06 0.14-0.21 Rain shwrs SC IS IS IS C C C C C C C C C C C C Tstms C S S S S S S S Heat index 83 82 88 86 80 82 Max heat 90 90 92 92 85 86 Flash Flood A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 85 64 88 65 87 64 89 Temp 66 65 84 76 67 66 87 78 67 67 87 79 67 67 88 80 Dewpt 65 65 69 69 66 66 69 69 67 66 69 68 66 65 68 67 PWind dir W E W W W W W W Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC SC SC SC SC SC FW FW FW FW PoP 12hr 10 60 20 40 20 30 10 30 Rain shwrs L L S S C C S S C C C C Tstms S C S S S $$ WVZ502-182100- Eastern Grant- Including the city of Petersburg 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 83 86 68 79 84 88 64 66 67 74 79 83 Temp 79 79 75 71 70 68 69 78 82 81 75 70 68 67 67 72 78 78 73 Dewpt 72 71 70 69 68 66 67 70 69 70 69 68 67 66 66 69 68 68 67 RH 79 77 84 93 93 93 93 76 65 69 82 93 97 97 97 90 71 71 81 Wind dir S SW SW SW SW SW W NW NW NW NW W W W NW N N N N Wind spd 12 11 9 6 5 5 4 8 8 8 5 4 3 3 3 4 5 5 4 Wind gust 21 17 17 17 19 Clouds OV B2 B1 SC SC B1 B1 B1 B2 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 30 20 40 30 50 QPF 12hr 0.10-0.21 0.01 0.01 0.07 0.15-0.22 Rain shwrs IS IS IS IS C C C C C C C C C C C C Tstms S S S S S S S S Obvis PF Heat index 82 81 86 84 Max heat 89 89 92 90 84 85 Flash Flood A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 83 64 86 65 85 64 87 Temp 66 66 83 75 66 66 85 77 67 67 84 76 67 67 86 78 Dewpt 64 64 69 69 65 65 69 69 66 66 69 68 65 64 67 68 PWind dir W NE W W W W W NW Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC SC SC SC SC SC FW FW SC SC PoP 12hr 10 60 20 40 20 30 10 30 Rain shwrs L L S S C C S S C C C C Tstms S C S S S C $$ MDZ003-182100- Washington- Including the city of Hagerstown 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 84 85 68 70 72 81 88 90 65 68 70 76 82 84 Temp 79 79 76 73 72 71 72 80 85 83 78 73 71 70 70 76 80 79 74 Dewpt 76 75 73 72 71 69 71 72 71 71 70 70 69 69 69 70 69 68 69 RH 91 88 90 97 97 93 97 77 63 67 76 90 93 97 97 82 69 69 84 Wind dir SE S S S SW SW W W NW NW NW NW NW NW NW N N N N Wind spd 13 11 9 8 6 5 5 8 9 6 4 3 2 2 2 4 4 4 2 Wind gust 26 26 20 19 18 17 18 19 18 Clouds OV OV B2 B1 SC SC SC SC B1 B1 B1 B2 B2 B2 B2 B2 SC B1 B1 PoP 12hr 90 20 30 20 40 QPF 12hr 0.34-0.58 0 0 0.01 0.09-0.14 Rain shwrs D D IS C C C C S S S S S S C C S Tstms L L S S S S S S Heat index 83 82 84 90 87 82 Max heat 89 90 94 93 86 86 Flash Flood A A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 83 67 87 67 87 67 88 Temp 68 69 83 76 69 69 87 79 70 70 87 79 70 69 88 79 Dewpt 67 69 71 71 69 69 71 71 69 70 70 70 67 67 69 70 PWind dir NW NE SE SW W NW NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC B1 B1 SC SC SC SC SC SC SC FW FW FW FW SC PoP 12hr 20 60 20 40 10 30 5 20 Rain shwrs S L L S S C C S S C C S S Tstms S C S S S S $$ WVZ051-182100- Morgan- Including the city of Paw Paw 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 83 85 68 69 71 81 86 89 65 66 68 76 81 83 Temp 79 77 75 72 71 69 71 79 84 82 76 71 69 67 68 75 79 78 73 Dewpt 74 73 71 70 69 67 68 70 69 69 69 69 68 67 67 69 67 67 68 RH 85 87 87 93 93 93 90 74 61 65 79 93 97100 97 82 67 69 84 Wind dir SE S SW SW SW W W W NW NW NW NW NW NW NW NW N N N Wind spd 12 10 8 8 6 6 5 8 8 6 4 3 3 3 2 4 5 4 2 Wind gust 25 24 18 19 18 Clouds OV OV B1 SC SC SC SC SC B1 B1 B1 B2 B2 B2 B2 B1 SC B1 B1 PoP 12hr 80 10 30 20 40 QPF 12hr 0.28-0.51 0 0 0.03 0.12 Rain shwrs NM SC IS S S C C S S S S C C C C S Tstms L C S S S S S S Obvis PF Heat index 80 81 88 85 80 Max heat 88 87 91 91 84 85 Flash Flood A A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 83 65 87 65 87 65 87 Temp 67 67 83 75 67 67 87 78 69 68 87 78 68 68 87 78 Dewpt 66 66 69 71 67 67 69 70 68 67 68 69 66 65 67 69 PWind dir NW NE SW W W NW W W Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC B1 SC SC SC SC SC SC SC SC SC FW FW FW SC PoP 12hr 20 60 20 40 10 30 5 20 Rain shwrs S L L S S C C S S C C S S Tstms S C S S S $$ WVZ052-182100- Berkeley- Including the city of Martinsburg 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 84 86 69 70 72 83 88 89 66 68 69 78 82 83 Temp 80 79 77 74 72 71 73 81 85 83 78 74 71 70 70 76 80 78 74 Dewpt 76 75 73 71 70 68 70 71 71 70 70 69 69 68 68 70 68 68 68 RH 88 88 87 90 93 90 90 72 63 65 76 84 93 93 93 82 67 71 82 Wind dir S S SW S SW W W W NW NW NW NW W NW NW N N N N Wind spd 13 11 8 8 5 4 5 8 8 6 4 3 2 2 2 3 4 4 2 Wind gust 25 25 18 19 16 16 18 17 Clouds OV OV B1 SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B1 SC B1 B1 PoP 12hr 80 20 30 20 50 QPF 12hr 0.24-0.45 0 0 0.01 0.10-0.15 Rain shwrs NM D IS S S C C S S S S C C C C S Tstms L L S S S S S S Heat index 85 82 85 90 87 82 Max heat 88 91 94 92 86 86 Flash Flood A A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 83 66 87 67 88 67 88 Temp 68 69 83 76 69 69 87 79 70 70 88 79 70 70 88 79 Dewpt 67 68 71 71 68 69 70 71 68 69 69 69 67 67 68 69 PWind dir NW NE SW W W NW NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC B1 SC SC SC SC SC SC SC FW SC FW FW FW SC PoP 12hr 20 60 20 40 10 30 5 20 Rain shwrs S L L S S C C C C S S Tstms S C S S S $$ WVZ053-182100- Jefferson- Including the cities of Charles Town and Shepherdstown 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 85 86 69 70 72 84 88 90 67 68 70 78 82 83 Temp 80 80 77 74 72 71 73 81 85 83 78 74 72 70 70 76 79 78 74 Dewpt 77 76 74 73 70 69 71 72 72 71 71 71 69 69 69 71 70 69 70 RH 91 88 90 97 93 93 93 74 65 67 79 90 90 97 97 85 74 74 87 Wind dir S S S S SW SW W W NW NW NW NW W NW NW N N N N Wind spd 12 11 8 6 4 4 4 6 6 6 3 2 2 2 2 3 3 3 2 Wind gust 25 23 14 Clouds B2 OV B1 B1 SC SC SC SC SC B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 70 20 30 20 50 QPF 12hr 0.24-0.38 0 0 0.01 0.12 Rain shwrs SC NM IS S S C C S S S S C C C C S Tstms C L S S S S S S Heat index 86 86 85 91 88 81 Max heat 88 93 94 94 85 85 Flash Flood A A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 83 66 87 67 88 66 88 Temp 68 69 83 76 69 69 87 79 69 69 88 79 70 69 88 79 Dewpt 67 69 72 72 69 69 72 72 69 69 70 71 68 68 69 70 PWind dir NW NE E SW SW NW W NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC SC SC SC SC SC SC FW FW FW FW FW FW PoP 12hr 20 60 20 40 10 30 5 30 Rain shwrs S L L S S C C C C C C Tstms S C S S S S $$ WVZ050-182100- Hampshire- Including the city of Romney 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 82 86 66 68 70 78 85 89 64 66 68 73 79 82 Temp 79 78 75 71 70 68 69 78 83 81 75 71 68 67 67 73 78 77 73 Dewpt 73 72 70 69 68 67 67 70 70 69 69 68 67 66 66 69 68 67 67 RH 82 82 84 93 93 97 93 76 65 67 82 90 97 97 97 87 71 71 81 Wind dir S SW SW SW SW W W NW NW NW NW W W W NW NW N N N Wind spd 12 10 8 8 6 5 5 8 8 6 5 3 3 3 2 4 5 5 3 Wind gust 24 21 19 18 18 Clouds OV B2 B1 SC SC SC SC SC B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 40 10 40 30 50 QPF 12hr 0.14-0.33 0 0.01 0.04 0.13-0.18 Rain shwrs SC IS IS S S C C C C S S C C C C Tstms C S S S S S S S Obvis PF Heat index 81 87 84 Max heat 91 90 94 93 87 87 Flash Flood A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 82 64 86 65 85 64 86 Temp 66 66 81 74 66 66 85 77 67 66 85 77 67 67 86 77 Dewpt 65 65 69 69 66 65 69 69 66 66 69 68 65 64 67 67 PWind dir W NE SW W W NW W W Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC B1 SC SC SC SC SC SC SC SC SC FW FW FW FW PoP 12hr 10 60 20 40 10 30 10 30 Rain shwrs L L S S C C S S C C C C Tstms S C S S S $$ VAZ028-182100- Frederick VA- Including the city of Winchester 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 84 85 68 69 72 78 87 89 66 67 69 73 80 82 Temp 80 79 76 73 71 70 72 80 85 82 77 73 70 69 69 75 79 77 73 Dewpt 75 74 72 70 69 68 69 71 70 70 70 69 68 68 68 70 69 69 69 RH 85 85 87 90 93 93 90 74 61 67 79 87 93 97 97 84 72 76 87 Wind dir S S SW SW SW W W NW NW NW NW W W NW NW N N N N Wind spd 11 9 6 5 4 4 4 6 6 5 3 2 2 2 2 3 3 3 2 Wind gust 25 21 19 19 18 16 16 18 13 Clouds B2 B2 B1 SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 50 10 30 20 50 QPF 12hr 0.13-0.29 0 0 0.02 0.16 Rain shwrs SC SC S S C C S S S S C C C C S Tstms C C S S S S S Heat index 84 83 84 89 86 Max heat 89 91 94 92 83 83 Flash Flood A A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 82 66 86 66 86 66 87 Temp 67 68 82 75 67 68 86 78 69 69 86 78 68 69 86 78 Dewpt 66 67 71 71 67 67 70 71 68 68 69 70 66 66 68 69 PWind dir NW NE SW W W NW W NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC B1 SC SC SC SC SC SC FW FW SC FW FW FW FW PoP 12hr 20 60 20 40 10 30 5 20 Rain shwrs S L L S S C C C C S S Tstms S C S S S $$ VAZ031-182100- Clarke- Including the city of Berryville 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 85 86 69 84 88 89 68 76 81 82 Temp 81 81 77 74 72 70 72 81 86 83 78 73 71 69 70 75 79 77 73 Dewpt 76 75 73 72 70 68 70 72 72 70 70 70 69 69 69 71 70 69 70 RH 85 82 87 93 93 93 93 74 63 65 76 90 93100 97 87 74 76 90 Wind dir S S S SW SW SW W W NW NW NW W W NW NW N N N N Wind spd 11 10 6 5 4 3 3 6 5 5 3 1 2 1 2 2 2 2 1 Wind gust 24 20 Clouds B2 B2 B1 B1 SC SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 50 10 30 30 50 QPF 12hr 0.16-0.25 0 0 0.02 0.14 Rain shwrs SC SC IS S S C C C C S S C C C C S Tstms C C S S S S S S Heat index 86 86 85 92 88 Max heat 88 92 94 92 84 83 Flash Flood A A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 83 66 87 66 87 66 87 Temp 67 69 83 75 68 69 87 78 69 69 87 78 68 69 87 78 Dewpt 67 68 72 71 68 69 71 71 69 69 70 70 67 67 69 70 PWind dir NW NE N SW SW NW W NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC SC SC SC SC SC SC FW SC FW FW FW FW PoP 12hr 20 60 20 40 10 30 5 30 Rain shwrs S L L S S C C C C C C Tstms S C S S S $$ WVZ055-182100- Hardy- Including the city of Moorefield 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 81 87 66 68 70 77 83 89 63 66 68 71 77 83 Temp 78 78 73 71 69 68 69 77 81 79 73 70 68 67 67 71 76 75 71 Dewpt 72 71 69 67 67 66 66 69 69 68 68 67 66 66 65 68 67 67 66 RH 82 79 87 87 93 93 90 76 67 69 84 90 93 97 93 90 74 76 84 Wind dir S SW SW SW SW W W NW NW NW NW W W NW NW N N N N Wind spd 12 10 9 6 5 5 5 8 6 5 5 3 3 3 3 4 5 4 3 Wind gust 25 21 20 19 16 16 Clouds OV B2 B1 SC SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 30 10 40 30 50 QPF 12hr 0.10-0.18 0 0.01 0.05 0.14-0.20 Rain shwrs IS IS S S C C C C C C C C C C S Tstms S S S S S S S Heat index 84 81 Max heat 90 90 94 92 85 85 Flash Flood A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 80 64 84 65 83 65 84 Temp 66 66 80 72 66 66 84 75 67 67 83 74 67 67 83 75 Dewpt 64 64 68 68 65 65 68 68 65 65 68 67 64 64 66 66 PWind dir W NE SW W W NW W NW Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC SC SC SC SC SC FW FW FW SC PoP 12hr 20 60 20 40 10 30 10 30 Rain shwrs S L L S S C C S S C C C C Tstms S C S S S $$ VAZ027-182100- Shenandoah- Including the cities of Strasburg, Woodstock, Mount Jackson, and New Market 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 84 87 65 67 70 78 87 90 64 66 69 72 80 83 Temp 79 80 76 72 70 68 70 80 84 82 76 72 70 68 69 73 77 75 72 Dewpt 73 73 71 70 68 67 68 70 69 69 69 69 68 67 68 69 68 68 69 RH 82 79 85 93 93 97 93 72 61 65 79 90 93 97 97 87 74 79 90 Wind dir S SW SW SW SW SW SW NW NW NW NW W NW NW NW N N N N Wind spd 10 9 6 5 4 3 3 5 5 4 3 2 2 2 2 2 3 3 2 Wind gust 25 20 19 19 16 14 16 16 Clouds B2 B2 SC SC FW SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 30 5 40 30 50 QPF 12hr 0.12 0 0.02 0.03 0.15-0.21 Rain shwrs IS IS S S C C C C C C C C C C S Tstms S S S S S S S Heat index 83 83 83 88 85 Max heat 91 92 95 92 85 85 Flash Flood A A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 82 64 85 65 85 65 86 Temp 67 67 82 74 67 67 85 77 68 68 85 77 67 68 85 77 Dewpt 66 66 69 70 66 67 68 70 67 67 68 69 66 66 67 69 PWind dir NW NE W SW W NW W NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC SC SC SC SC SC SC FW SC FW FW FW SC PoP 12hr 20 60 20 40 10 30 5 30 Rain shwrs S L L S S C C C C C C Tstms S C S S S $$ VAZ030-182100- Warren- Including the city of Front Royal 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 85 87 67 69 70 81 88 91 66 68 69 74 81 83 Temp 81 81 77 73 71 69 71 81 87 84 77 73 70 69 69 75 78 76 72 Dewpt 75 74 73 71 69 68 69 71 71 70 70 70 69 69 69 71 70 70 69 RH 82 79 87 93 93 97 93 72 59 63 79 90 97100100 87 76 82 90 Wind dir S S S SW SW SW W NW NW NW NW W W NW NW N N N N Wind spd 10 8 6 5 4 3 3 4 4 4 2 2 2 2 1 2 2 2 1 Wind gust 21 19 16 Clouds B2 B2 B1 SC SC SC SC SC SC B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 40 10 40 30 50 QPF 12hr 0.14 0 0.01 0.03 0.13-0.19 Rain shwrs SC SC S S C C C C S S C C C C S Tstms C C S S S S S Heat index 87 87 85 92 88 Max heat 92 92 96 94 85 85 Flash Flood A A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 83 65 87 66 87 66 87 Temp 67 68 83 74 68 68 87 77 68 69 87 77 68 69 87 77 Dewpt 67 67 71 71 67 68 70 71 68 68 69 70 67 67 68 70 PWind dir NW NE SW S W NW W NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC SC SC SC SC SC SC FW SC FW FW FW FW PoP 12hr 20 60 20 40 10 30 5 20 Rain shwrs S L L S S C C C C S S Tstms S C S S S $$ VAZ029-182100- Page- Including the cities of Luray, Shenandoah, and Stanley 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 85 87 64 67 68 81 88 91 64 66 69 73 80 83 Temp 81 82 77 73 70 68 69 81 86 84 77 72 70 68 68 74 78 76 72 Dewpt 74 74 72 70 68 67 68 71 71 70 71 70 68 68 68 71 70 69 69 RH 79 77 85 90 93 97 97 72 61 63 82 93 93100100 90 76 79 90 Wind dir S S S SW SW SW SW NW NW NW NW NW NW NW NW N N NE NE Wind spd 11 9 6 5 4 3 2 4 4 4 3 2 2 2 2 2 2 3 2 Wind gust 21 20 17 16 Clouds B1 B2 SC SC FW SC FW SC SC B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 30 5 40 30 60 QPF 12hr 0.14 0 0.03 0.04 0.18 Rain shwrs IS IS S S C C C C S S C C L L S Tstms S S S S S S S Heat index 87 87 84 92 88 Max heat 92 92 96 95 84 84 Flash Flood A A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 83 64 87 65 87 65 87 Temp 67 67 83 75 67 67 87 78 68 68 86 77 67 67 86 77 Dewpt 66 66 70 70 66 66 70 71 67 67 70 70 66 66 68 69 PWind dir NW NE SW SW W NW W NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC SC SC SC SC SC SC FW SC FW FW FW FW PoP 12hr 20 60 20 40 10 30 5 30 Rain shwrs S L L S S C C C C C C Tstms S C S S S S $$ VAZ026-182100- Rockingham- Including the city of Harrisonburg 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 73 83 88 64 68 70 76 87 91 64 67 70 70 79 82 Temp 80 81 76 72 70 68 70 80 84 82 75 71 69 68 68 73 77 76 72 Dewpt 71 70 69 68 67 65 66 68 67 67 68 67 67 66 66 68 67 67 67 RH 74 69 79 87 90 90 87 67 57 61 79 87 93 93 93 84 71 74 84 Wind dir S SW SW SW SW SW W NW NW NW NW NW NW NW NW N NE N N Wind spd 11 10 6 4 4 3 3 4 5 4 3 2 2 2 2 3 3 3 2 Wind gust 24 21 19 18 18 17 19 14 12 12 Clouds B2 B2 SC SC FW SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 20 5 40 30 60 QPF 12hr 0.09-0.17 0 0.02 0.04 0.16-0.24 Rain shwrs IS S S C C C C C C C C L L S Tstms S S S S C C Heat index 83 84 82 87 84 Max heat 91 91 95 94 Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 82 65 85 65 85 65 85 Temp 67 67 82 75 67 67 85 77 69 68 85 76 68 68 85 78 Dewpt 65 65 66 68 65 65 66 67 66 65 66 67 64 64 65 67 PWind dir NW E W SW W NW NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC SC SC SC FW SC FW FW FW FW PoP 12hr 20 60 20 30 10 30 5 30 Rain shwrs S S L L S S C C C C C C Tstms S C S S S S $$ VAZ025-182100- Augusta- Including the cities of Staunton, Waynesboro, and Stuarts Draft 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 72 83 88 64 67 70 75 86 91 64 67 70 68 78 82 Temp 79 80 76 71 69 68 70 80 84 82 76 71 69 68 68 73 76 76 72 Dewpt 70 69 68 68 67 65 66 68 67 67 68 68 67 66 66 68 67 67 67 RH 74 69 76 90 93 90 87 67 57 61 76 90 93 93 93 84 74 74 84 Wind dir SW SW SW SW SW SW W W NW NW NW NW NW NW NW N NE NE N Wind spd 11 10 6 5 4 4 3 4 5 4 3 2 2 2 2 3 3 3 2 Wind gust 23 20 18 18 18 16 18 14 12 Clouds B1 B1 SC SC FW SC FW SC B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 10 5 40 30 60 QPF 12hr 0.05-0.11 0 0.01-0.09 0.02-0.10 0.16-0.25 Rain shwrs IS S S C C C C S S C C L L C Tstms S S S S C C Heat index 81 83 82 87 84 Max heat 90 90 94 93 Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 81 65 84 65 85 65 85 Temp 66 67 80 74 67 67 84 77 68 68 84 77 67 68 85 77 Dewpt 64 65 66 67 65 65 66 67 66 65 66 67 65 64 65 67 PWind dir NW S W W W NW NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC SC SC FW FW SC FW FW FW FW PoP 12hr 30 60 20 30 10 30 5 30 Rain shwrs C S L L S S C C C C C C Tstms S C S S C $$ VAZ037-182100- Albemarle- Including the city of Charlottesville 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 87 89 68 69 72 87 92 94 68 69 72 76 81 83 Temp 83 83 78 74 72 70 72 84 89 85 78 73 71 70 71 77 79 77 73 Dewpt 75 75 74 73 71 69 70 72 72 72 73 72 71 70 70 73 72 72 71 RH 77 77 88 97 97 97 93 67 57 65 85 97100100 97 87 79 85 93 Wind dir S S S SW SW SW W W W W NW NW NW NW NW N NE E NE Wind spd 10 8 5 3 3 3 2 3 3 3 3 2 2 2 1 2 2 3 2 Wind gust 20 18 Clouds B1 SC FW FW FW FW FW FW SC B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 10 5 40 30 60 QPF 12hr 0.07-0.18 0 0.02-0.13 0.07-0.15 0.14-0.25 Rain shwrs C C C C S S C C L L C Tstms S S S C C Heat index 91 90 91 96 91 80 Max heat 97 98 101 101 87 85 Flash Flood A A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 85 67 88 67 89 67 89 Temp 68 69 85 76 70 69 88 79 70 70 89 79 69 70 89 79 Dewpt 68 69 71 72 69 69 72 72 70 70 71 71 69 68 70 72 PWind dir NW E W SW W NW NW N Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC SC SC SC FW SC FW FW FW SC PoP 12hr 30 60 20 30 10 30 5 30 Rain shwrs C S L L S S C C C C C C Tstms S C S S S S $$ VAZ036-182100- Nelson- Including the city of Lovingston 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 86 88 67 68 70 79 90 93 67 69 70 70 81 84 Temp 83 82 78 73 71 69 71 84 89 84 77 73 71 70 70 77 79 77 72 Dewpt 74 74 73 72 70 68 69 72 71 71 72 71 70 69 70 72 72 72 71 RH 74 77 85 97 97 97 93 67 56 65 85 93 97 97100 85 79 85 97 Wind dir S SW SW SW SW W W W SW W NW NW NW NW N N NE NE NE Wind spd 10 8 4 3 3 3 2 3 3 2 3 2 2 1 1 2 2 2 1 Wind gust 13 13 13 12 Clouds B1 SC FW FW FW FW FW FW SC B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 10 5 40 30 60 QPF 12hr 0.09 0 0.02-0.13 0.08-0.14 0.13-0.20 Rain shwrs C C C C S S C C L L C Tstms S S S C C Heat index 91 88 89 95 90 80 Max heat 97 97 101 101 87 87 Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 85 66 87 66 88 66 88 Temp 68 68 85 75 68 68 87 78 69 69 88 78 68 69 88 77 Dewpt 67 67 70 71 68 68 70 71 68 68 70 70 68 67 68 71 PWind dir N SW NW SW W NW NW N Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC SC SC FW FW SC SC FW FW SC PoP 12hr 30 60 20 30 10 30 5 30 Rain shwrs C S L L S S C C C C C C Tstms S C S S S $$ VAZ503-182100- Western Highland- Including the city of Hightown 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 70 75 80 61 63 65 72 77 81 59 62 64 69 74 78 Temp 71 73 68 65 64 63 65 73 75 74 68 65 63 62 63 68 72 72 67 Dewpt 68 68 66 65 64 63 64 67 66 66 65 64 63 62 63 66 66 66 64 RH 90 84 93100100100 97 81 74 76 90 97100100100 93 81 81 90 Wind dir SW SW W W W W NW NW NW NW NW NW NW NW NW NW NW N N Wind spd 12 10 8 8 6 6 6 6 6 6 4 4 4 4 4 4 5 5 4 Wind gust 25 20 20 18 18 18 20 17 Clouds B2 B2 B1 SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 SC B1 PoP 12hr 30 10 50 30 60 QPF 12hr 0.07 0.01 0.03 0.04 0.18-0.24 Rain shwrs IS IS IS IS IS C C C C C C C C C C L L S Tstms S S S S S S C C Obvis PF Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 76 59 78 60 77 60 78 Temp 61 62 76 68 61 62 78 70 62 62 76 69 61 62 77 70 Dewpt 61 61 65 64 61 62 65 65 61 62 65 64 61 61 65 64 PWind dir NW SW W W NW NW NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC SC SC SC SC SC FW SC SC FW PoP 12hr 20 50 20 40 20 30 10 30 Rain shwrs S C C S S C C S S C C C C Tstms S C S S C $$ VAZ504-182100- Eastern Highland- Including the city of Monterey 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 73 78 83 62 64 66 75 81 86 61 63 66 71 77 81 Temp 75 76 72 68 66 65 67 76 80 78 72 67 65 64 65 71 75 74 71 Dewpt 68 67 67 66 65 63 64 66 65 65 65 65 64 64 64 66 64 65 64 RH 79 74 84 93 97 93 90 71 60 64 79 93 97100 97 84 69 74 79 Wind dir SW SW SW W W W W NW NW NW NW NW NW NW NW N N N N Wind spd 11 10 6 5 4 4 4 6 5 5 4 3 3 3 3 4 4 4 3 Wind gust 23 20 17 17 16 16 17 Clouds B2 B2 SC SC SC SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 B1 SC B1 PoP 12hr 20 10 50 30 60 QPF 12hr 0.07 0 0.02 0.03 0.18-0.25 Rain shwrs IS S S C C C C C C C C L L S Tstms S S S S C C Obvis PF Heat index 81 Max heat 84 88 86 Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 79 61 82 61 81 61 82 Temp 64 64 78 72 63 64 81 74 64 65 80 72 63 64 81 74 Dewpt 63 63 64 65 63 62 64 65 63 63 63 64 62 62 64 65 PWind dir NW SW NW W NW NW NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC SC SC SC SC SC FW FW FW FW PoP 12hr 20 50 20 30 20 30 10 30 Rain shwrs S C C S S C C S S C C C C Tstms S C S S C $$ WVZ505-182100- Western Pendleton- Including the city of Riverton 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 65 74 83 60 65 69 66 76 84 59 63 66 65 73 80 Temp 71 71 68 66 66 65 66 71 74 73 68 65 64 63 64 67 71 71 67 Dewpt 67 67 66 65 65 64 64 66 65 65 64 64 63 63 63 65 64 64 63 RH 87 87 93 97 97 97 93 84 74 76 87 97 97100 97 93 79 79 87 Wind dir SW SW W W W W W NW NW NW NW W W NW NW NW N N N Wind spd 12 11 10 9 8 8 8 9 9 8 5 4 4 5 5 5 6 6 4 Wind gust 26 25 24 24 23 24 23 19 16 Clouds OV B2 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 30 20 50 30 60 QPF 12hr 0.07-0.13 0.02 0.03 0.03-0.09 0.16-0.24 Rain shwrs IS IS IS IS IS C C C C C C C C C C L L S Tstms S S S S S S C C Obvis PF Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 76 60 78 61 77 61 78 Temp 62 63 75 68 62 63 77 70 63 64 76 69 62 64 77 70 Dewpt 61 61 63 64 61 62 63 64 62 62 64 63 62 62 63 64 PWind dir W W W W W NW NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC SC SC SC SC SC FW SC SC SC PoP 12hr 20 50 20 40 20 30 10 30 Rain shwrs S C C S S C C S S C C C C Tstms S C S S S C $$ WVZ506-182100- Eastern Pendleton- Including the cities of Brandywine, Franklin, Oak Flat, Ruddle, and Sugar Grove 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 71 80 85 64 66 69 73 82 87 62 65 67 69 77 82 Temp 77 77 72 69 68 66 69 77 80 79 72 68 67 65 66 71 75 75 70 Dewpt 68 67 66 66 66 65 66 66 65 65 65 66 65 65 65 66 64 64 64 RH 74 71 81 90 93 97 90 69 60 62 79 93 93100 97 84 69 69 81 Wind dir SW SW SW SW SW W W NW NW NW NW NW NW NW NW N N N N Wind spd 12 11 9 6 5 5 5 6 6 6 5 4 4 3 3 5 5 5 4 Wind gust 24 21 20 19 18 18 19 17 Clouds B2 B2 SC SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 20 10 40 30 60 QPF 12hr 0.09 0 0.02 0.04 0.16-0.25 Rain shwrs IS IS IS S S C C C C C C C C L L S Tstms S S S S S C C Heat index 82 80 Max heat 87 89 90 90 83 83 Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 80 62 83 63 82 63 83 Temp 65 65 79 72 65 65 82 74 65 66 81 73 65 66 82 74 Dewpt 63 63 64 65 64 63 63 65 64 64 63 64 63 63 63 65 PWind dir W E W W W NW NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC SC SC SC SC SC FW FW SC SC PoP 12hr 20 50 20 40 20 30 10 30 Rain shwrs S C C S S C C S S C C C C Tstms S C S S C $$ VAZ507-182100- Northern Virginia Blue Ridge- Including the city of Big Meadows 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 73 80 87 63 66 70 77 85 92 63 66 69 69 76 82 Temp 77 77 73 70 68 67 69 79 83 80 72 69 68 67 67 72 74 72 67 Dewpt 71 72 70 68 66 65 66 68 67 68 68 67 66 66 66 67 67 67 66 RH 82 85 90 93 93 93 90 69 59 67 87 93 93 97 97 84 79 84 97 Wind dir S S SW SW SW W W NW NW NW NW NW NW NW NW N NE NE NE Wind spd 13 11 11 10 9 8 6 6 5 5 5 5 5 4 4 4 4 4 4 Wind gust 26 23 20 19 18 18 Clouds B1 B1 SC SC FW SC FW FW SC B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 30 5 40 30 60 QPF 12hr 0.17 0 0.03 0.06 0.17-0.25 Rain shwrs IS IS S S C C C C S S C C L L S Tstms S S S S S S S Heat index 80 86 81 Max heat 90 90 96 94 83 83 Flash Flood A A A Tornado A A Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 79 64 82 65 83 64 83 Temp 65 66 79 69 65 66 82 72 66 67 82 72 66 67 82 72 Dewpt 63 64 67 67 65 65 66 68 65 65 66 67 64 63 65 67 PWind dir NW NE SW S W NW NW N Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC SC SC SC SC SC SC FW SC FW FW FW FW PoP 12hr 20 60 20 40 10 30 5 30 Rain shwrs S S L L S S C C C C C C Tstms S C S S S S $$ VAZ508-182100- Central Virginia Blue Ridge- Including the city of Wintergreen 138 PM EDT Wed Aug 18 2021 Date Wed 08/18/21 Thu 08/19/21 Fri 08/20/21 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 73 81 88 64 67 71 77 85 93 64 67 71 68 75 82 Temp 78 78 73 70 69 68 70 79 83 80 73 70 69 68 68 72 74 73 68 Dewpt 69 69 68 67 66 64 65 66 65 66 67 66 66 66 65 66 66 67 66 RH 74 74 84 90 90 87 84 64 55 62 81 87 90 93 90 81 76 81 93 Wind dir S SW SW SW W W W W W W NW NW NW NW NW N NE E NE Wind spd 10 9 9 8 6 6 5 5 4 3 4 4 3 3 3 3 3 3 2 Wind gust 21 19 16 Clouds B1 SC FW FW FW FW FW FW B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 10 5 40 30 60 QPF 12hr 0.08-0.15 0 0.02-0.08 0.06-0.11 0.17-0.26 Rain shwrs C C C C S S C C L L C Tstms S S S C C Heat index 80 80 85 82 Max heat 93 93 96 94 85 85 Date Sat 08/21/21 Sun 08/22/21 Mon 08/23/21 Tue 08/24/21 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 79 65 82 65 83 65 83 Temp 66 67 79 71 66 67 82 73 67 68 82 73 67 67 83 73 Dewpt 63 64 65 66 64 64 64 66 64 64 64 66 63 63 63 66 PWind dir NW SW SW SW W NW NW N Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC SC SC FW FW SC FW FW FW SC PoP 12hr 30 60 20 30 10 30 5 30 Rain shwrs C S L L S S C C C C C C Tstms S C S S S C $$