FNUS71 KRLX 182212 FWSRLX Spot Forecast for Ramshorn-Guinn Ridge RX...USDA Forest Service National Weather Service Charleston WV 612 PM EDT Thu Apr 18 2024 Forecast is based on ignition time of 2000 EDT on April 18. If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION... Overall, dry for the remainder of the day and evening, although clouds will be on the increase late tonight out ahead of the next system, which will spread showers and thunderstorms back into the area for Friday. Behind the departing system, cooler and drier weather is expected for the weekend. Next week could hold a couple mornings of frost with cold overnight lows expected. .REST OF TONIGHT... Sky/weather.........Mostly clear (20-30 percent). CWR.................0 percent. Chance of pcpn......0 percent. LAL.................No Tstms. Min temperature.....Around 47. Max humidity........83 percent. Wind (20 ft)........Northwest winds around 5 mph shifting to the south 6 to 7 mph overnight. Mixing height.......400 ft AGL. Transport winds.....Northwest around 6 mph shifting to the south 7 to 8 mph overnight. LVORI...............3. ADI.................3 to 7. Haines Index........4 or low potential for large plume dominated fire growth. TIME (EDT) 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........2 4 5 6 9 11 14 24 34 45 Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 0 Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 LAL.............1 1 1 1 1 1 1 1 1 1 Temp............61 59 57 55 53 53 52 51 50 49 RH..............43 47 51 54 58 60 63 67 69 73 20 FT wind dir..NW NW N NE E SE S S S S 20 FT wind spd..5 5 5 5 6 6 6 6 6 7 20 FT wind gust.8 6 8 10 10 11 Mix hgt (kft)...0.5 0.4 0.4 0.4 0.4 0.4 0.5 0.5 0.5 0.5 Transp wind dir.NW NW N NE E SE S S S S Transp wind spd.6 6 6 6 6 7 7 7 8 8 LVORI...........2 2 2 3 3 3 3 3 3 3 ADI.............3 3 3 3 3 3 3 3 7 7 Haines index....4 4 4 4 4 4 4 4 4 4 .FRIDAY... Sky/weather.........Mostly cloudy (70-80 percent). Chance of rain showers in the morning, then rain showers and chance of thunderstorms in the afternoon. CWR.................10 percent increasing to 80 percent. Chance of pcpn......80 percent. LAL.................No Tstms until 1400, then 1-8 strikes. Max temperature.....Around 60. Min humidity........69 percent. Wind (20 ft)........Southwest winds 7 to 9 mph with gusts to around 17 mph shifting to the west around 8 mph late in the afternoon. Gusty and erratic winds expected near thunderstorms late in the afternoon. Gusty and erratic winds expected near thunderstorms late in the afternoon. Mixing height.......2300 ft AGL. Transport winds.....Southwest 8 to 12 mph shifting to the west around 10 mph late in the afternoon. LVORI...............4. ADI.................7 to 27. Haines Index........2 to 4 or very low to low potential for large plume dominated fire growth. TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........57 70 83 88 93 97 92 87 82 83 85 87 Weather cov..... SCH CHC CHC CHC LKY LKY DEF DEF Weather type.... RW RW RW RW RW RW RW RW Tstm cov........ CHC CHC CHC SCH CWR.............0 0 10 10 20 40 40 40 60 70 80 80 Chc of pcpn (%).0 0 10 10 20 40 40 40 60 70 80 80 LAL.............1 1 1 1 1 1 1 1 2 2 2 2 Temp............49 48 49 51 53 55 56 57 58 59 59 60 RH..............78 83 83 80 79 78 78 76 75 76 75 75 20 FT wind dir..S S S SW SW SW SW SW SW SW W W 20 FT wind spd..7 7 7 8 8 8 8 9 9 9 8 8 20 FT wind gust.11 11 11 13 14 17 17 16 14 14 12 10 Mix hgt (kft)...0.5 0.5 0.5 1.1 1.4 1.8 1.9 2.1 2.3 1.9 2.1 1.6 Transp wind dir.S S S S SW SW SW SW SW SW W W Transp wind spd.8 9 9 9 10 10 10 12 12 12 10 10 LVORI...........4 4 4 4 3 3 3 3 3 3 3 3 ADI.............8 10 7 12 19 23 25 23 24 22 27 22 Haines index....4 4 4 4 3 3 3 3 2 3 3 3 .FRIDAY NIGHT... Sky/weather.........Mostly cloudy (70-80 percent) then becoming partly cloudy (35-45 percent). Rain showers likely early in the evening. Slight chance of thunderstorms early in the evening. Chance of rain showers early in the evening. CWR.................70 percent decreasing to 10 percent. Chance of pcpn......70 percent. LAL.................1-8 strikes until 2200, then No Tstms. Min temperature.....Around 39. Max humidity........96 percent. Wind (20 ft)........Northwest winds 8 to 13 mph. Gusty and erratic winds expected near thunderstorms early in the evening. Mixing height.......800 ft AGL. Transport winds.....Northwest 10 to 16 mph. LVORI...............5. ADI.................10 to 14. Haines Index........3 or very low potential for large plume dominated fire growth. TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........85 82 80 63 46 29 29 28 28 50 48 46 Weather cov.....LKY LKY CHC CHC CHC Weather type....RW RW RW RW RW Tstm cov........SCH SCH SCH SCH CWR.............70 70 50 40 30 10 10 10 10 10 0 0 Chc of pcpn (%).70 70 50 40 30 10 10 10 10 10 0 0 LAL.............2 2 2 2 1 1 1 1 1 1 1 1 Temp............58 57 55 53 51 49 48 47 45 44 43 42 RH..............80 85 88 92 96 96 95 93 91 90 89 88 20 FT wind dir..W NW W NW NW NW NW NW NW NW NW NW 20 FT wind spd..8 8 10 12 12 12 13 13 12 13 13 13 20 FT wind gust.10 13 14 14 14 Mix hgt (kft)...1.4 1.3 1.1 1.0 1.2 1.1 0.9 0.8 0.9 0.9 0.8 0.8 Transp wind dir.W W W NW NW NW NW NW NW NW NW NW Transp wind spd.10 12 13 14 14 15 15 15 15 15 16 16 LVORI...........4 4 5 5 6 5 5 5 5 5 5 4 ADI.............12 10 11 12 12 13 13 13 13 13 14 14 Haines index....3 3 3 3 3 3 3 3 3 3 3 3 $$ Forecaster...JZ Requested by...Conor Shanahan Type of request...PRESCRIBED .TAG 2411211.2/RLX .DELDT 04/18/24 .FormatterVersion 2.0.0 .EMAIL Cameron.Crisp@usda.gov,conor.shanahan@usda.gov,victor.rodman@usda.gov,pamacc@firenet.gov,susan.greenleaf@usda.gov