FNUS71 KRNK 140043 FWSRNK SPOT FORECAST FOR UPPER CRAIGS CREEK...USDA-FOREST SERVICE NATIONAL WEATHER SERVICE BLACKSBURG VA 843 PM EDT TUE MAR 13 2012 FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON MARCH 14. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A WEAK COLD FRONT WILL CROSS THE OHIO VALLEY AND NORTHEAST UNITED STATES TONIGHT. HIGH PRESSURE WILL REMAIN OVER THE MID ATLANTIC AND SOUTHEAST STATES THROUGH THURSDAY. ANOTHER WEAK COLD FRONT WILL APPROACH THE REGION ON FRIDAY. INVERSION MAY BE SLOW TO BREAK EARLY IN THE MORNING WITH SOME VALLEY FOG POSSIBLE THROUGH ABOUT 9-10 AM WHEN WINDS WILL BE VERY LIGHT. OTHERWISE SLIGHTLY WARMER TEMPERATURES ARE EXPECTED ON WEDNESDAY WHICH WILL RESULT IN LOWER AFTERNOON HUMIDITIES...IN THE UPPER 20S TO LOWER 30 PERCENT RANGE BY MID AFTERNOON. HOWEVER WINDS WILL BE LIGHT FROM THE WEST AND NORTHWEST INTO EARLY AFTERNOON...TURNING SOUTHWEST LATE IN THE DAY BUT UNDER 10 MPH. MIXING HEIGHTS SHOULD ALSO INCREASE WITH LIGHT MIXING BY AFTERNOON WITH LEVELS WELL ABOVE 6000 FEET LIKELY. SCATTERED SHOWERS AND THUNDERSTORMS ARE POSSIBLE THURSDAY AND FRIDAY AFTERNOON AND EVENING. .REST OF TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). MIN TEMPERATURE.....AROUND 49. MAX HUMIDITY........87 PERCENT. WIND (20 FT)........WEST WINDS AROUND 5 MPH EARLY IN THE EVENING...BECOMING LIGHT AND VARIABLE. CWR (0.01 IN).......10 PERCENT. MIXING HEIGHT.......800 FT AGL...DECREASING TO 300 FT AGL AFTER MIDNIGHT. TRANSPORT WINDS.....SOUTHWEST 13 TO 18 MPH...BECOMING SOUTH 0 TO 6 MPH IN THE LATE EVENING AND OVERNIGHT. TIME (EDT) 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).............31 42 47 37 35 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE NONE TSTM COV............ TEMP................65 61 58 56 55 RH..................49 61 68 73 77 20 FT WIND..........W 4 W 2 W 2 W 2 NW 2 20 FT WIND GUST.....10 5 5 5 CWR.................10 10 10 0 0 .WEDNESDAY... SKY/WEATHER.........SUNNY (10-20 PERCENT). MAX TEMPERATURE.....AROUND 76. MIN HUMIDITY........32 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING NORTHWEST AROUND 10 MPH LATE IN THE MORNING...THEN BECOMING WEST TO SOUTHWEST 5 TO 10 MPH IN THE AFTERNOON. CWR (0.01 IN).......0 PERCENT. MIXING HEIGHT.......1000 FT AGL EARLY...INCREASING TO 7100 FT AGL. TRANSPORT WINDS.....SOUTHWEST 0 TO 5 MPH...BECOMING NORTHWEST 8 TO 15 MPH IN THE LATE MORNING AND AFTERNOON. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).............23 7 7 9 10 9 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE NONE NONE TSTM COV............ TEMP................53 50 59 65 70 73 RH..................81 87 64 51 43 39 20 FT WIND..........NW 1 NW 1 NW 3 NW 4 NW 3 W 3 20 FT WIND GUST..... 5 10 5 5 CWR.................0 0 0 0 0 0 $$ FORECASTER...HUDGINS REQUESTED BY...DAVE BOSTIC TYPE OF REQUEST...PRESCRIBED .TAG 20120314.UPPER.01/RNK