Suppression Forecast
Issued by NWS Blacksburg, VA

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000 FNUS71 KRNK 211728 FWSRNK Spot Forecast for EDRD_Nutters Mountain Rx...USFS National Weather Service Blacksburg VA 1228 PM EST Fri Feb 21 2020 Forecast is based on ignition time of 0800 EST on February 22. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION... High pressure will pass overhead this weekend resulting in dry weather, light and variable winds and very few, if any, clouds. .SATURDAY... Sky/weather.........Sunny (0-5 percent cloud cover). CWR (0.01 in).......0 percent. Max temperature.....Around 52. Min humidity........16 percent. Wind (20 ft)........Light west winds. Eye level wind......Terrain driven...upslope 2-4 mph during the peak heating of the day. Mixing height.......3400 ft AGL. Mixing winds........West 7 to 15 mph. Smoke dispersal.....Poor (3200 mph-ft) early in the morning increasing to good (41700 mph-ft) in the afternoon. LVORI...............2. ADI.................10 to 25 in the morning, 45 to 55 in the afternoon. Haines Index........5 or moderate potential for large plume dominated fire growth. TIME (EST) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........0 0 0 0 0 0 0 0 0 0 Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 0 Temp............24 30 35 40 45 48 51 52 51 48 RH..............45 36 29 24 20 18 16 16 17 20 20 FT wind dir..W W W W W W W W W W 20 FT wind spd..1 1 1 1 1 1 1 2 2 2 20 FT wind gust.2 2 2 2 2 2 2 4 Mix hgt (kft)...0.7 1.1 1.5 2.0 2.6 3.2 3.2 3.3 3.4 2.7 Mixng wind dir..NW NW NW NW NW NW W W W W Mixng wind spd..7 10 14 15 14 14 13 13 13 13 LVORI...........2 2 2 1 1 1 1 1 1 1 ADI.............6 15 28 39 46 51 54 57 59 48 Haines index....5 5 5 5 5 5 5 5 5 5 VRate mph-ft/1K.4 11 21 30 37 42 44 46 48 38 .SATURDAY NIGHT... Sky/weather.........Clear (0-10 percent). CWR (0.01 in).......0 percent. Min temperature.....Around 24. Max humidity........69 percent. Wind (20 ft)........Light winds. Mixing height.......300 ft AGL. Mixing winds........West 6 to 13 mph, decreasing to less than 5 mph overnight. Smoke dispersal.....Fair (24600 mph-ft) early in the evening decreasing to poor (0 mph-ft) late in the night. LVORI...............3. ADI.................3. Haines Index........4 or low potential for large plume dominated fire growth. TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky (%).........0 1 2 3 4 5 Weather cov..... Weather type....NONE NONE NONE NONE NONE NONE Tstm cov........ CWR.............0 0 0 0 0 0 Temp............45 39 36 34 32 31 RH..............25 37 41 44 47 51 20 ft wind......W 2 S 2 W 0 W 0 E 0 W 0 20 ft wind gust.4 4 4 4 4 2 Mix hgt (ft)....2100 1200 700 500 300 300 Mixing wind......W 13 W 13 W 12 W 6 W 2 NW 1 LVORI...........2 2 2 2 2 2 ADI.............6 6 5 5 3 0 Haines index....4 4 4 4 4 4 VRate mph-ft/1K.28 15 8 6 2 0 .SUNDAY... Sky/weather.........Sunny (5-15 percent cloud cover). CWR (0.01 in).......0 percent. Max temperature.....Around 55. Min humidity........30 percent. Wind (20 ft)........Light southwest winds. Mixing height.......3900 ft AGL. Mixing winds........South 5 to 10 mph. Smoke dispersal.....Poor (0 mph-ft) early in the morning increasing to good (31900 mph-ft) in the afternoon. LVORI...............3. ADI.................4 increasing to 17 late in the morning, then increasing to 30 to 40 in the afternoon. Haines Index........4 to 5 or low to moderate potential for large plume dominated fire growth. TIME (EST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM Sky (%).........11 12 9 8 6 3 Weather cov..... Weather type....NONE NONE NONE NONE NONE NONE Tstm cov........ CWR.............0 0 0 0 0 0 Temp............27 29 38 44 49 53 RH..............63 62 44 37 34 32 20 ft wind......W 0 W 0 W 0 W 1 SW 2 SW 3 20 ft wind gust.2 2 2 4 5 5 Mix hgt (ft)....300 500 1000 2100 3000 3900 Mixing wind.....NW 1 W 2 W 5 SW 6 SW 8 SW 10 LVORI...........3 3 2 2 1 1 ADI.............0 2 7 20 34 44 Haines index....5 5 5 4 4 5 VRate mph-ft/1K.0 1 6 16 27 37 $$ Forecaster...Manuel Requested by...Brandon Hughes Type of request...PRESCRIBED .TAG 2002579.1/RNK .DELDT 02/21/20 .FormatterVersion 1.0.26

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