720 FOUS51 KLWX 130838 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 338 AM EST Thu Jan 13 2022 VAZ054-132100- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 338 AM EST Thu Jan 13 2022 Date Thu 01/13/22 Fri 01/14/22 Sat 01/15/22 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 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 48 35 46 19 29 Temp 34 34 40 47 46 41 39 38 37 38 42 45 44 38 32 27 23 21 24 27 28 25 Dewpt 26 25 27 28 29 30 31 30 30 30 31 30 25 20 14 8 4 1 -1 -4 -4 -1 RH 72 69 59 47 51 65 73 73 75 73 65 55 47 48 47 44 43 41 33 25 24 31 Wind dir S S NE E E NE N N N N N N N N N N N N N N N N Wind spd 3 3 3 4 5 4 5 6 9 11 16 18 18 17 17 16 14 13 14 12 11 12 Clouds SC B1 B1 OV OV OV OV B2 B1 B1 B1 SC SC FW FW FW SC B1 B2 B2 B2 B2 PoP 12hr 0 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Sun 01/16/22 Mon 01/17/22 Tue 01/18/22 Wed 01/19/22 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 17 38 30 43 27 39 26 44 Temp 22 19 29 32 37 35 40 36 32 29 38 33 30 29 41 40 Dewpt 0 0 5 21 29 27 24 22 20 18 19 20 20 20 25 28 PWind dir N NE E W W W SW SW Wind char GN GN GN GN GN GN LT GN Avg clouds B2 SC B1 B2 B2 B2 B1 SC SC SC FW FW SC SC B1 B1 PoP 12hr 0 60 80 20 0 0 0 5 Frzg rain D Rain D L S Snow S L D L S $$ MDZ013-132100- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 338 AM EST Thu Jan 13 2022 Date Thu 01/13/22 Fri 01/14/22 Sat 01/15/22 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 47 33 46 15 27 Temp 31 30 40 45 44 40 37 35 35 35 42 45 42 34 27 22 19 17 22 25 26 22 Dewpt 24 24 27 28 29 30 29 30 30 30 31 29 22 17 10 6 2 0 -2 -4 -4 -3 RH 75 78 59 51 55 67 72 82 82 82 65 53 44 49 48 49 47 46 34 27 26 32 Wind dir W N E E E NE N N N N N N N N N N N N N N N N Wind spd 2 2 3 4 4 4 3 4 8 9 14 19 18 18 16 14 12 11 13 12 11 10 Wind gust 25 32 29 Clouds B1 SC B1 OV OV OV OV B2 B1 B1 B1 SC FW FW FW FW SC SC B1 B2 B2 B2 PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Sun 01/16/22 Mon 01/17/22 Tue 01/18/22 Wed 01/19/22 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 13 38 28 43 25 38 23 43 Temp 17 15 28 30 36 36 40 35 29 27 37 31 28 27 41 37 Dewpt -1 -1 4 21 32 30 26 22 20 18 18 19 20 20 25 27 PWind dir N NE E W W W SW SW Wind char LT LT GN GN GN GN LT LT Avg clouds B2 SC B1 B2 OV B2 B1 B1 B1 SC FW SC SC B1 B1 B1 PoP 12hr 0 50 80 20 0 0 0 5 Frzg rain D Rain D L S Snow S C D L S $$ MDZ011-132100- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 338 AM EST Thu Jan 13 2022 Date Thu 01/13/22 Fri 01/14/22 Sat 01/15/22 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 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 46 33 44 14 25 Temp 32 31 38 44 44 40 38 36 35 36 40 43 40 33 27 22 19 16 20 24 24 22 Dewpt 26 26 29 31 31 32 32 32 32 31 33 30 24 19 11 6 4 2 -1 -2 -1 0 RH 78 81 70 60 60 73 79 85 89 82 76 60 52 56 50 49 51 53 39 31 33 37 Wind dir NW NE E SE E NE N N N N N N N N N N N N N N N N Wind spd 2 2 2 3 3 3 3 5 6 8 13 18 17 14 13 12 11 10 12 11 9 8 Wind gust 24 32 29 27 25 24 21 Clouds B1 SC B1 B2 OV OV OV B2 B1 B1 B1 SC FW FW FW FW SC SC B1 B2 B2 B2 PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Sun 01/16/22 Mon 01/17/22 Tue 01/18/22 Wed 01/19/22 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 13 36 28 42 26 38 24 42 Temp 17 15 27 29 36 36 40 35 30 27 36 31 28 27 39 37 Dewpt -1 0 6 22 33 32 28 24 21 20 20 21 21 22 27 29 PWind dir N NE E W W W SW SW Wind char LT LT GN GN LT GN LT LT Avg clouds B2 SC B1 B2 B2 B2 B1 B1 B1 SC FW FW SC B1 B1 B1 PoP 12hr 0 50 80 30 0 0 0 5 Frzg rain D Rain D L C Snow S C D L C $$ WVZ052-132100- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 338 AM EST Thu Jan 13 2022 Date Thu 01/13/22 Fri 01/14/22 Sat 01/15/22 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 46 30 43 14 27 Temp 29 28 35 44 44 38 34 33 32 32 38 42 40 33 27 23 19 16 20 25 26 21 Dewpt 23 22 25 26 27 29 29 28 29 29 30 27 22 18 13 8 4 0 -2 -3 -4 -2 RH 78 78 66 49 51 70 82 82 88 88 73 55 48 53 55 52 51 48 37 29 26 35 Wind dir SW SW S SE E NE N N NW NW N N N N N N N N N N N N Wind spd 4 3 2 3 4 3 3 3 5 8 13 16 16 14 12 10 10 9 12 9 9 8 Wind gust 26 Clouds SC B1 B1 B2 OV OV B2 B2 B1 B1 B1 B1 SC SC SC SC SC B1 B2 B2 B2 B2 PoP 12hr 10 20 20 5 5 QPF 12hr 0 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S Snowshwrs S S S Date Sun 01/16/22 Mon 01/17/22 Tue 01/18/22 Wed 01/19/22 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 10 29 22 38 21 36 19 42 Temp 16 12 23 23 29 28 37 32 27 24 34 28 24 22 39 35 Dewpt -2 -5 -3 11 22 19 21 19 16 14 17 16 16 15 23 26 PWind dir NE E N W W W SW SW Wind char LT LT GN GN GN GN LT LT Avg clouds B1 SC B1 B2 B2 B2 B1 B1 B1 SC SC SC SC B1 B1 B1 PoP 12hr 0 60 70 20 5 0 0 5 Frzg rain S Snow S L L L S $$ VAZ506-132100- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 338 AM EST Thu Jan 13 2022 Date Thu 01/13/22 Fri 01/14/22 Sat 01/15/22 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 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 49 32 45 16 29 Temp 31 30 40 47 47 40 37 35 34 34 40 44 42 36 29 25 21 18 23 27 27 23 Dewpt 24 24 27 27 29 29 29 30 30 30 31 30 26 21 14 8 4 2 -1 -3 -3 -1 RH 75 78 59 45 49 64 72 82 85 85 70 57 53 54 53 48 47 49 34 26 26 34 Wind dir S W NE SE SE E NE N N N N N N N N N N N N N N N Wind spd 3 3 3 5 5 4 4 8 9 11 16 19 18 16 16 14 12 12 13 11 11 10 Clouds SC B1 B1 OV OV OV OV B2 B1 B1 B1 SC SC SC FW SC SC B1 B2 B2 B2 B2 PoP 12hr 5 10 5 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Sun 01/16/22 Mon 01/17/22 Tue 01/18/22 Wed 01/19/22 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 13 36 27 41 23 38 22 43 Temp 19 16 27 29 35 32 39 34 29 25 37 31 26 24 40 37 Dewpt -1 -1 3 17 29 26 24 21 18 16 18 19 19 18 25 28 PWind dir N NE E W W W SW SW Wind char LT LT GN GN GN GN LT LT Avg clouds B1 SC B1 B2 B2 B2 B1 SC B1 SC FW FW SC B1 B1 B1 PoP 12hr 0 60 80 20 5 0 0 5 Frzg rain S S Rain S L S Snow S L D L S $$ VAZ037-132100- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 338 AM EST Thu Jan 13 2022 Date Thu 01/13/22 Fri 01/14/22 Sat 01/15/22 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 51 33 49 24 34 Temp 34 34 41 49 49 44 40 38 37 35 43 48 47 41 37 32 29 26 28 32 32 29 Dewpt 23 23 27 27 29 30 30 30 30 29 31 30 28 26 21 17 13 10 7 3 3 4 RH 64 64 57 42 46 57 67 73 75 78 62 49 47 55 52 53 51 50 40 28 28 34 Wind dir SW W SW SE SE NE N N N NW N N N N N N N N NE NE NE NE Wind spd 4 3 3 3 3 3 3 4 4 5 11 12 11 10 6 6 5 5 6 6 6 8 Clouds B1 B2 B2 B2 OV OV B2 B2 B1 SC FW SC SC SC FW SC SC B1 B2 B2 B2 B2 PoP 12hr 10 10 5 5 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Sun 01/16/22 Mon 01/17/22 Tue 01/18/22 Wed 01/19/22 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 18 33 27 43 22 42 22 47 Temp 22 19 27 30 33 32 41 36 29 24 39 34 28 25 44 42 Dewpt 2 0 3 18 24 22 21 20 16 13 17 19 18 16 26 28 PWind dir NE NE N W W W SW SW Wind char LT LT GN GN LT LT LT LT Avg clouds B1 B1 B2 B2 B2 B1 SC SC SC SC FW FW SC SC SC B1 PoP 12hr 5 70 80 10 5 0 0 5 Frzg rain D S Rain D S Snow C L D C $$ MDZ003-132100- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 338 AM EST Thu Jan 13 2022 Date Thu 01/13/22 Fri 01/14/22 Sat 01/15/22 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 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 45 31 41 14 25 Temp 32 30 36 43 44 39 37 35 34 33 38 40 38 32 26 21 19 16 18 22 24 22 Dewpt 23 22 27 28 29 29 29 29 29 29 30 27 21 17 11 6 2 0 -1 -3 -4 -1 RH 69 72 69 55 55 67 72 78 82 85 73 59 50 53 52 52 47 48 42 32 28 36 Wind dir S S S SE E NE NE N N N N N N N N N N N N N N N Wind spd 4 3 3 3 5 6 4 6 8 10 17 17 19 17 16 12 12 12 12 10 12 11 Wind gust 28 Clouds B1 SC B1 B2 OV OV B2 B2 B1 B1 B1 SC SC SC SC SC SC B1 B2 B2 B2 B2 PoP 12hr 10 20 10 0 0 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S Snowshwrs S S S Date Sun 01/16/22 Mon 01/17/22 Tue 01/18/22 Wed 01/19/22 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 10 30 24 37 23 35 21 41 Temp 17 12 24 25 29 29 35 32 28 25 33 29 25 24 37 36 Dewpt -3 -4 -2 11 22 22 22 20 17 15 17 17 16 16 24 25 PWind dir NE E NE W W W SW SW Wind char GN LT GN GN GN GN LT LT Avg clouds B1 SC SC B2 OV B2 B1 B1 B1 SC SC SC SC B1 B1 B2 PoP 12hr 0 50 70 20 5 0 0 10 Frzg rain S S Snow S C L L S $$ MDZ017-132100- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 338 AM EST Thu Jan 13 2022 Date Thu 01/13/22 Fri 01/14/22 Sat 01/15/22 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 47 36 48 22 30 Temp 36 35 42 46 44 39 39 38 38 38 43 47 45 38 34 29 26 24 26 28 28 24 Dewpt 26 26 29 30 31 32 33 33 32 31 32 31 29 24 18 12 10 7 6 4 5 6 RH 67 69 60 53 60 76 79 82 79 76 65 53 53 57 51 48 50 47 42 35 37 45 Wind dir SW SW W E E NE N N N N N N N N N N N N N N N N Wind spd 5 5 4 5 4 4 6 10 12 16 20 21 20 21 21 20 20 18 19 17 13 12 Wind gust 32 Clouds SC B1 B1 OV OV OV B2 B1 B1 B1 B1 SC SC FW FW FW SC B1 B1 B2 B2 B2 PoP 12hr 0 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Sun 01/16/22 Mon 01/17/22 Tue 01/18/22 Wed 01/19/22 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 20 45 33 45 28 40 29 47 Temp 22 23 34 37 42 38 42 38 33 30 39 34 33 32 44 40 Dewpt 6 7 16 30 37 31 26 25 22 19 20 22 24 24 28 31 PWind dir N NE SE W W W SW SW Wind char GN GN BZ BZ GN GN LT GN Avg clouds B2 B1 B1 B2 B2 B2 SC SC SC SC FW FW FW SC SC B1 PoP 12hr 5 70 80 20 5 0 0 5 Rain L D L S Snow C L S L S $$ WVZ502-132100- Petersburg WV 38.99N 79.15W Elev. 963 ft 338 AM EST Thu Jan 13 2022 Date Thu 01/13/22 Fri 01/14/22 Sat 01/15/22 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 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 48 30 42 17 31 Temp 32 30 37 45 46 39 36 34 32 32 36 40 40 33 28 24 21 19 22 28 30 25 Dewpt 25 26 29 32 33 33 33 32 31 31 32 32 29 25 21 16 13 10 7 7 6 5 RH 75 85 72 60 60 79 89 92 96 96 85 73 64 72 75 71 71 67 52 40 35 42 Wind dir S SW S SE E NW W NW NE N N NW NW NW NW N N N NE NE NE NE Wind spd 4 4 4 4 5 5 3 3 3 5 9 12 11 9 8 6 4 4 4 5 6 5 Clouds SC B2 B2 OV OV OV B2 B1 B1 B1 B1 B1 B1 B1 SC SC B1 B1 B2 B2 B2 B2 PoP 12hr 20 40 30 20 20 QPF 12hr 0 0.02 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C C C S S Snowshwrs S S C C C S S S Date Sun 01/16/22 Mon 01/17/22 Tue 01/18/22 Wed 01/19/22 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 13 30 20 37 20 36 19 45 Temp 19 15 26 24 24 25 34 30 25 22 33 27 25 27 42 37 Dewpt 4 1 4 16 20 21 24 20 17 16 21 19 19 21 32 31 PWind dir E E N W W W SW SW Wind char LT LT LT GN GN LT LT LT Avg clouds B1 SC B1 B2 B2 B2 B1 B1 B1 SC SC SC SC SC B1 B1 PoP 12hr 10 60 70 20 10 0 0 10 Snow C L L L S $$ MDZ014-132100- Annapolis MD 38.99N 76.49W Elev. 7 ft 338 AM EST Thu Jan 13 2022 Date Thu 01/13/22 Fri 01/14/22 Sat 01/15/22 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 44 34 45 18 26 Temp 34 33 39 43 43 39 38 37 37 36 41 44 42 35 29 25 22 20 22 24 25 22 Dewpt 27 27 30 31 33 33 33 33 32 31 32 32 26 21 14 9 6 4 2 1 1 3 RH 75 78 70 62 67 79 82 85 82 82 70 62 53 56 53 50 49 49 41 36 34 43 Wind dir SW S NE E E NE NE N N N N N N N N N N N N N N N Wind spd 2 2 2 3 3 3 3 5 8 9 16 18 17 17 16 14 13 12 14 12 11 9 Wind gust 27 32 29 29 28 26 25 23 25 23 Clouds B1 B1 B1 OV OV OV OV B2 B1 B1 SC SC FW FW FW FW SC SC B1 B2 B2 B2 PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Sun 01/16/22 Mon 01/17/22 Tue 01/18/22 Wed 01/19/22 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 17 38 30 42 27 38 27 42 Temp 21 19 28 32 38 36 40 35 32 29 36 32 30 29 40 37 Dewpt 4 4 10 26 32 29 27 25 22 20 21 22 23 23 28 30 PWind dir N NE E W W W SW SW Wind char LT GN GN GN GN GN LT LT Avg clouds B2 SC B1 B2 B2 B2 B1 SC SC SC FW FW SC SC B1 B1 PoP 12hr 0 60 80 20 5 0 0 5 Frzg rain D Rain D L S Snow S L D L S $$