FNUS71 KRNK 151136 FWSRNK SPOT FORECAST FOR SR STATE PARK...VA. DEPT OF CONSERVATION NATIONAL WEATHER SERVICE BLACKSBURG VA 736 AM EDT THU APR 15 2010 FORECAST IS BASED ON IGNITION TIME OF 1100 EDT ON APRIL 15. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE CENTERED OVER THE PIEDMONT OF VIRGINIA AND NORTH CAROLINA THIS MORNING...WILL SLOWLY DRIFT SOUTH TODAY. UNTIL THE SURFACE HIGH DRIFTS SOUTH OF THE AREA A STRONG SUBSIDENCE INVERSION WILL BE PRESENT. POOR SMOKE TRANSPORT AND DISPERSION CAN BE EXPECTED THIS MORNING WITH SOMEWHAT IMPROVED CONDITIONS THIS AFTERNOON AS THE HIGH BEGINS TO MOVE AWAY FROM THE AREA. EVEN DURING THE WARMEST PART OF THE AFTERNOON SMOKE WILL LIKELY STRUGGLE TO CLIMB MUCH ABOVE 3000 FEET. WINDS WILL INCREASE WITH BETTER DISPERSION FRIDAY. IF YOU BURN TODAY OR FRIDAY...MAKE SURE THE LINE IS TIGHT AND COLD TRAILED. A DRY FRONTAL PASSAGE IS FORECAST FRIDAY NIGHT. THE COLD FRONT WILL CROSS THE OHIO VALLEY FRIDAY WINDS INCREASING AHEAD OF THE FRONT FRIDAY AFTERNOON. IT WILL BE QUITE WARM ON FRIDAY WITH TEMPERATURES 15 DEGREES ABOVE NORMAL AND THE HUMIDITY MAY DROP AS LOW AS 25 PERCENT. WITH THE PASSAGE OF THE FRONT FRIDAY NIGHT THE WINDS WILL SHIFT FROM SOUTHWEST TO NORTHWEST AND CONTINUE TO REMAIN GUSTY THROUGH THE DAY SATURDAY. TEMPERATURES WILL BE COOLER SATURDAY... BUT IT WILL REMAIN DRY. .TODAY... SKY/WEATHER.........SUNNY (5-15 PERCENT). PATCHY FOG EARLY IN THE MORNING. MAX TEMPERATURE.....AROUND 76. MIN HUMIDITY........32 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS. CWR (0.01 IN).......0 PERCENT. MIXING HEIGHT.......3200 FT AGL. TRANSPORT WINDS.....SOUTHWEST 5 MPH. TIME (EDT) 11 AM 1 PM 3 PM 5 PM SKY (%).............7 4 3 5 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE TEMP................61 66 71 75 MIN HUMIDITY........48 40 33 32 WIND (20 FT)........SW 3 W 4 W 2 W 2 20 FT WIND GUST.....5 5 5 5 CWR.................0 0 0 0 .TONIGHT... SKY/WEATHER.........CLEAR (0-10 PERCENT). MIN TEMPERATURE.....AROUND 51. MAX HUMIDITY........98 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING SOUTHWEST 4 TO 7 MPH LATE. CWR (0.01 IN).......0 PERCENT. MIXING HEIGHT.......300 FT AGL. TRANSPORT WINDS.....WEST 10 TO 14 MPH. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).............6 9 5 1 0 0 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE NONE NONE TEMP................73 68 64 60 58 56 MIN HUMIDITY........35 47 55 63 71 79 WIND (20 FT)........SW 2 S 2 SW 3 SW 4 SW 5 SW 5 20 FT WIND GUST.....5 5 5 10 10 10 CWR.................0 0 0 0 0 0 .FRIDAY... SKY/WEATHER.........SUNNY (10-20 PERCENT). MAX TEMPERATURE.....AROUND 85. MIN HUMIDITY........31 PERCENT. WIND (20 FT)........WEST WINDS 6 TO 11 MPH. MIXING HEIGHT.......6800 FT AGL. TRANSPORT WINDS.....WEST 9 TO 18 MPH...INCREASING TO 20 TO 23 MPH EARLY IN THE AFTERNOON. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).............0 0 0 1 7 25 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE NONE NONE TEMP................53 57 66 73 78 82 MIN HUMIDITY........92 80 56 43 36 32 WIND (20 FT)........W 5 W 4 W 6 W 7 W 9 W 9 20 FT WIND GUST.....10 10 15 20 20 20 $$ FORECASTER...MANUEL REQUESTED BY...REED STANLEY TYPE OF REQUEST...PRESCRIBED .TAG 20100415.SRSTA.01/RNK