FNUS71 KRNK 151406 FWSRNK SPOT FORECAST FOR WILDLIFE ROAD RX...FOREST SERVICE NATIONAL WEATHER SERVICE BLACKSBURG VA 1006 AM EDT THU APR 15 2010 FORECAST IS BASED ON IGNITION TIME OF 1130 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 AREAWIDE THIS MORNING THEN GRADUALLY INCREASE THIS AFTERNOON AS THE HIGH BEGINS TO MOVE AWAY FROM THE AREA. TRANSPORT MODELS TAKE MUCH OF THE SMOKE PLUME ACROSS I-81... OVER ROANOKE THEN INTO WESTERN BEDFORD COUNTY. WINDS ALOFT TONIGHT WILL INCREASE AS A PRESSURE GRADIENT DEVELOPS BETWEEN THE DEPARTING HIGH TO OUR SOUTH AND AN APPROACHING COLD FRONT OVER THE GREAT LAKES REGION. AS A RESULT...WINDS WILL INCREASE IN THE HIGHER ELEVATIONS DURING THE OVERNIGHT...KEEPING TEMPERATURES WARM WITH POOR HUMIDITY RECOVERY. IN SPITE OF THE INCREASING WIND ALOFT...THE VALLEYS SHOULD STILL DECOUPLE WITH GOOD HUMIDITY RECOVERY AND COOL TEMPERATURES. -FOR FRIDAY...THE COLD FRONT WILL CROSS THE OHIO VALLEY AND REMAIN JUST NORTHWEST OF OUR AREA DURING THE DAY. WINDS WILL INCREASE AHEAD OF THE FRONT AND BECOME GUSTY DURING THE AFTERNOON. VERY WARM TEMPERATURES ARE ALSO EXPECTED...AFTERNOON READINGS IN THE 70S AND 80S...10 TO 15 DEGREES ABOVE THE SEASONAL NORM. THE COLD FRONT WILL MOVE THROUGH THE REGION FRIDAY NIGHT. SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO ACCOMPANY THE PASSAGE OF THIS FRONT...BUT WILL BE CONFINED MAINLY TO THE MOUNTAINS...RAIN AMOUNTS OF A QUARTER INCH OR LESS. .TODAY... SKY/WEATHER.........SUNNY (10-20 PERCENT). MAX TEMPERATURE.....AROUND 71. MIN HUMIDITY........28 PERCENT. WIND (20 FT)........WINDS BECOMING NORTH AROUND 5 MPH IN THE MORNING ...LIGHT AND VARIABLE IN THE EARLY AFTERNOON THEN BECOMING NORTHWEST 5 TO 6 MPH LATE. CWR (0.01 IN).......0 PERCENT. MIXING HEIGHT.......5500 FT AGL. TRANSPORT WINDS.....NORTHWEST 9 TO 12 MPH. TIME (EDT) 11 AM 1 PM 3 PM 5 PM SKY (%).............10 12 13 13 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE TEMP................59 64 68 70 MIN HUMIDITY........51 42 34 31 WIND (20 FT)........N 3 N 2 NW 3 NW 5 20 FT WIND GUST.....8 10 15 12 CWR.................0 0 0 0 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT). MIN TEMPERATURE.....AROUND 52. MAX HUMIDITY........77 PERCENT. WIND (20 FT)........NORTHWEST WINDS 5 TO 6 MPH EARLY IN THE EVENING...THEN BECOMING WEST 6 TO 11 MPH AFTER MIDNIGHT. CWR (0.01 IN).......0 PERCENT. MIXING HEIGHT.......300 FT AGL. TRANSPORT WINDS.....SOUTHWEST 6 TO 15 MPH. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).............12 12 6 2 0 0 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE NONE NONE TEMP................69 65 62 59 57 56 MIN HUMIDITY........36 42 48 55 60 66 WIND (20 FT)........NW 5 NW 4 W 3 W 4 W 6 W 8 20 FT WIND GUST.....10 5 5 10 10 15 CWR.................0 0 0 0 0 0 .FRIDAY... SKY/WEATHER.........SUNNY (20-30 PERCENT). MAX TEMPERATURE.....AROUND 75. MIN HUMIDITY........36 PERCENT. WIND (20 FT)........WEST WINDS 12 TO 16 MPH WITH GUSTS UP TO 30 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS LATE. CWR (0.01 IN).......20 PERCENT. MIXING HEIGHT.......5000 FT AGL. TRANSPORT WINDS.....SOUTHWEST 0 TO 9 MPH...INCREASING TO WEST 25 TO 32 MPH. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).............0 3 13 21 29 40 WEATHER COV......... S CHC WEATHER TYPE........NONE NONE NONE NONE NONE RNSHWR TEMP................54 55 62 67 70 72 MIN HUMIDITY........73 71 55 46 41 38 WIND (20 FT)........W 10 W 10 W 10 W 11 W 12 W 12 20 FT WIND GUST.....25 25 25 25 30 30 CWR.................0 10 10 10 10 20 $$ FORECASTER...SILVERMAN REQUESTED BY...RON NIXON TYPE OF REQUEST...PRESCRIBED .TAG 20100415.WILDL.01/RNK