FNUS71 KRNK 161345 FWSRNK SPOT FORECAST FOR LUMBER PLANT FIRE...BLACKSBURG FIRE DEPT NATIONAL WEATHER SERVICE BLACKSBURG VA 845 AM EST WED FEB 16 2011 FORECAST IS BASED ON REQUEST TIME OF 0836 EST ON FEBRUARY 16. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE WILL DRIFT EAST AND OFFSHORE THROUGH TONIGHT. HOWEVER RESIDUAL DRY AIR WILL COMBINE WITH INCREASED MIXING AROUND THE HIGH TO PROVIDE ANOTHER AFTERNOON OF LOW HUMIDITIES UNDER GUSTY SOUTHWEST WINDS. MOISTURE SHOULD RECOVER SOME TONIGHT INTO THURSDAY AS DEWPOINTS RISE...WITH RELATIVE HUMIDITY VALUES EXPECTED TO STAY ABOVE 30 PERCENT IN MOST AREAS THURSDAY AFTERNOON. OTHERWISE ASIDE FROM SOME PERIODIC CLOUDINESS THROUGH THURSDAY...THE WEATHER WILL BE FAIR AND DRY. CRITICAL FIRE CONDITIONS MAY DEVELOP AGAIN TOWARD THE END OF THE WEEK...AHEAD OF A COLD FRONT. WELL ABOVE SEASONAL TEMPERATURES ARE EXPECTED FRIDAY...FOLLOWED BY A STRONG FRONTAL PASSAGE FRIDAY NIGHT OR EARLY SATURDAY. WINDS ARE EXPECTED TO INCREASE AHEAD OF THIS FRONT FRIDAY...AND REMAIN GUSTY BEHIND THE FRONT SATURDAY. PROSPECTS FOR RAIN LOOK SLIM UNTIL PERHAPS EARLY NEXT WEEK. IF YOU HAVE ANY QUESTIONS OR CONCERNS PLEASE FEEL FREE TO CALL. && .TODAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). MAX TEMPERATURE.....AROUND 55. MIN HUMIDITY........30 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 8 TO 13 MPH. CWR (0.01 IN).......0 PERCENT. MIXING HEIGHT.......3400 FT AGL. TRANSPORT WINDS.....SOUTH 0 TO 8 MPH...INCREASING TO SOUTHWEST 17 TO 25 MPH IN THE LATE MORNING AND EARLY AFTERNOON...THEN DECREASING TO 14 TO 15 MPH EARLY IN THE AFTERNOON. MIXING HEIGHT.......3400 FT AGL. TRANSPORT WINDS.....SOUTH 0 TO 8 MPH...INCREASING TO SOUTHWEST 17 TO 25 MPH IN THE LATE MORNING AND EARLY AFTERNOON...THEN DECREASING TO 14 TO 15 MPH EARLY IN THE AFTERNOON. HAINES INDEX........3 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. EYE LEVEL WINDS.....SOUTHWEST WINDS 8 TO 13 MPH. TIME (EST) 8 AM 10 AM NOON 2 PM 4 PM SKY (%).............56 50 43 33 29 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE NONE TEMP................35 43 50 53 52 RH..................58 44 36 35 39 20 FT WIND..........S 5 SW 7 SW 9 SW 9 SW 7 20 FT WIND GUST.....10 15 20 20 15 EYE LEVEL WIND......S 4 SW 5 SW 7 SW 7 SW 5 EYE LVL WND GST.....10 15 20 20 15 MIX HGT (FT)........3400 3400 3400 3400 3400 TRANSPORT WIND......S 8 SW 25 SW 22 SW 15 SW 14 CWR.................0 0 0 0 0 HAINES INDEX........4 4 4 3 3 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). MIN TEMPERATURE.....AROUND 41. MAX HUMIDITY........68 PERCENT. WIND (20 FT)........SOUTH WINDS AROUND 6 MPH EARLY IN THE EVENING...BECOMING LIGHT AND VARIABLE...THEN BECOMING SOUTH 5 TO 6 MPH LATE. CWR (0.01 IN).......10 PERCENT. MIXING HEIGHT.......300 FT AGL. TRANSPORT WINDS.....SOUTHWEST 10 TO 16 MPH...BECOMING SOUTH 0 TO 5 MPH IN THE LATE EVENING AND OVERNIGHT. MIXING HEIGHT.......300 FT AGL. EYE LEVEL WINDS.....SOUTH WINDS AROUND 6 MPH EARLY IN THE EVENING...BECOMING LIGHT AND VARIABLE...THEN BECOMING SOUTH 5 TO 6 MPH LATE. TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).............27 27 29 32 34 36 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE NONE NONE TEMP................52 48 46 43 42 41 RH..................43 51 56 60 64 66 20 FT WIND..........S 5 S 2 SE 2 S 2 S 3 S 5 20 FT WIND GUST.....10 5 5 5 10 EYE LEVEL WIND......S 4 S 2 SE 1 S 2 S 2 S 4 EYE LVL WND GST.....10 5 5 5 10 MIX HGT (FT)........2600 2600 2600 2600 2600 2600 CWR.................0 0 0 0 0 10 .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). MAX TEMPERATURE.....AROUND 61. MIN HUMIDITY........40 PERCENT. WIND (20 FT)........SOUTH WINDS 6 TO 8 MPH. CWR (0.01 IN).......10 PERCENT. MIXING HEIGHT.......3400 FT AGL. TRANSPORT WINDS.....SOUTH 0 TO 6 MPH...INCREASING TO SOUTHWEST AROUND 22 MPH. MIXING HEIGHT.......3400 FT AGL. EYE LEVEL WINDS.....SOUTH WINDS 6 TO 8 MPH. TIME (EST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).............54 52 48 45 44 40 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE NONE NONE TEMP................41 44 51 55 58 60 RH..................68 62 52 47 43 40 20 FT WIND..........S 6 SW 5 SW 5 SW 6 S 6 S 6 20 FT WIND GUST.....10 15 10 15 15 15 EYE LEVEL WIND......S 4 SW 4 SW 4 SW 4 S 5 S 5 EYE LVL WND GST.....10 15 10 15 15 15 MIX HGT (FT)........3400 3400 3400 3400 3400 3400 CWR.................10 10 10 10 10 10 $$ FORECASTER...KOSTURA REQUESTED BY...WAYNE GARST TYPE OF REQUEST...WILDFIRE .TAG 20110216.LUMBE.01/RNK