455 FNUS73 KPAH 200959 FWSPAH Spot Forecast for Pineknot South...USFS National Weather Service Paducah KY 359 AM CST Mon Feb 20 2023 Forecast is based on ignition time of 1100 CST on February 20. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION... Warm and dry conditions are expected today. Mixing will be deep and strong, but winds will not be terribly strong. Winds will become light and mixing depth will drop significantly with sunset. .REST OF TODAY... Sky/weather.........Mostly sunny (20-30 percent). CWR.................0 percent. Temperature.........59 at ignition...Max 70. RH..................52 percent at ignition...Min 28 percent. Wind (20 ft)........ Slope/valley.......Winds west at 6 mph at ignition...otherwise West winds 6 to 9 mph. Gusts up to 20 mph late in the afternoon. Mixing height.......2200 ft AGL at ignition...maximum 5800 ft AGL around 3 PM. Transport winds.....West 12 to 20 mph. Haines Index........5 or moderate potential for large plume dominated fire growth at ignition...max 5. TIME (CST) 11A 12P 1PM 2PM 3PM 4PM 5PM Sky cover.......MCR PC PC PC MCR PC PC Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 Temp............59 62 64 67 69 66 64 RH..............52 47 41 34 29 32 35 20 FT wind dir..W W W W W W W 20 FT wind spd..6 6 7 8 9 8 6 20 FT wind gust.10 13 16 18 20 16 16 Mix hgt (kft)...2.2 3.0 3.8 4.9 5.8 5.7 1.3 Transp wind dir.W W W W W W W Transp wind spd.12 12 13 15 18 20 13 Haines index....5 5 5 5 5 5 5 .TONIGHT... Sky/weather.........Partly cloudy (30-40 percent). CWR.................0 percent. Temperature.........Min 43. RH..................Max 66 percent. Wind (20 ft)........ Slope/valley.......Light winds becoming west 5 to 6 mph overnight, then shifting to the northwest after 3 am. Mixing height.......400 ft AGL. Transport winds.....West 8 to 12 mph. Haines Index........5 or moderate potential for large plume dominated fire growth. TIME (CST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky cover.......PC PC PC PC PC PC MCR PC MCR PC PC PC Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 0 0 0 Temp............60 57 55 54 52 51 50 49 48 47 46 45 RH..............42 43 46 47 53 59 60 59 60 62 64 64 20 FT wind dir..W W W W W W W W W W NW NW 20 FT wind spd..3 3 3 3 3 3 6 6 6 6 6 5 20 FT wind gust.14 13 13 12 13 12 12 12 15 15 15 14 Mix hgt (kft)...0.5 0.4 0.4 0.4 0.4 0.4 0.5 0.5 0.5 0.5 0.6 0.5 Transp wind dir.W W W W W W W W NW NW NW N Transp wind spd.10 9 9 8 9 12 12 10 12 12 12 10 Haines index....5 5 5 5 5 5 5 5 5 5 5 5 .TUESDAY... Sky/weather.........Mostly sunny (45-55 percent) then becoming mostly cloudy (70-80 percent). CWR.................0 percent. Temperature.........Max 60. RH..................Min 38 percent. Wind (20 ft)........ Slope/valley.......North winds 5 to 7 mph shifting to the southeast 9 to 12 mph late in the afternoon. Mixing height.......2600 ft AGL. Transport winds.....North 9 to 12 mph shifting to the southeast 18 to 20 mph late in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM Sky cover.......MCLDY PCLDY PCLDY MCLDY MCLDY MCLDY Weather cov..... Weather type....NONE NONE NONE NONE NONE NONE Tstm cov........ CWR.............0 0 0 0 0 0 Temp............44 44 52 58 60 59 RH..............66 65 51 43 41 43 20 FT wind dir..N N NE E SE SE 20 FT wind spd..5 7 7 7 9 9 20 FT wind gust.13 15 13 10 14 20 Mix hgt (kft)...0.4 0.7 1.6 2.2 2.5 2.2 Transp wind dir.N N NE E SE SE Transp wind spd.9 12 8 8 15 20 Haines index....4 4 4 4 4 4 $$ Forecaster...SPAETH Requested by...Cody Conley Type of request...PRESCRIBED .TAG 2303345.0/PAH .DELDT 02/20/23 .FormatterVersion 2.0.0 .EMAIL Cody.conley@usda.gov