FNUS71 KRNK 200909 FWSRNK SPOT FORECAST FOR CUBVILLE P BURN...USFS NATIONAL WEATHER SERVICE BLACKSBURG VA 509 AM EDT TUE APR 20 2010 FORECAST IS BASED ON IGNITION TIME OF 1610 EDT ON APRIL 19. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... AN AREA OF LOW PRESSURE OVER THE TENNESSEE VALLEY WILL MOVE EAST TODAY...PASSING OVER THE SOUTHERN APPALACHIANS TONIGHT...THEN OFF THE MID ATLANTIC COAST ON WEDNESDAY. THICKENING CLOUDS CAN BE EXPECTED TODAY...FOLLOWED BY A PERIOD OF LIGHT RAIN TONIGHT AND EARLY WEDNESDAY. SKIES WILL BEGIN TO CLEAR WEDNESDAY FOLLOWED BY MAINLY DRY WEATHER FOR THURSDAY. POOR DISPERSION THIS MORNING...BUT INCREASING TRANSPORT AND POTENTIAL WINDOW OF DEEPER MIXING EXISTS DURING THE AFTERNOON. .TODAY... SKY/WEATHER.........INCREASING CLOUDS (40 PERCENT COVERAGE THIS MORNING 80 PERCENT BY LATE AFTERNOON). A CHANCE OF RAIN TOWARD SUNSET. MAX TEMPERATURE.....AROUND 61. MIN HUMIDITY........35 PERCENT. WIND (20 FT)........CALM THIS MORNING...BECOMING SOUTHEAST AROUND 5 MPH EARLY IN THE AFTERNOON...THEN BECOMING LIGHT AGAIN IN THE EVENING. CWR (0.01 IN).......20 PERCENT. MIXING HEIGHT.......4400 FT AGL. TRANSPORT WINDS.....NONE THIS MORNING...INCREASING TO 8 TO 10 MPH LATE FROM THE SOUTH. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).............26 37 47 56 59 59 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE NONE NONE TEMP................45 46 51 55 57 59 MIN HUMIDITY........59 56 48 44 42 40 WIND (20 FT)........N 2 N 1 SE 2 SE 3 S 4 S 4 20 FT WIND GUST..... 5 6 7 CWR.................0 0 0 0 0 10 MIXING HGT AGL......0 100 400 2000 3500 4300 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). RAIN LIKELY. MIN TEMPERATURE.....AROUND 44. MAX HUMIDITY........79 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS. CWR (0.01 IN).......70 PERCENT. MIXING HEIGHT.......1000 FT AGL. TRANSPORT WINDS.....SOUTH 4 TO 8 MPH BEFORE MIDNIGHT...BECOMING WEST AFTER MIDNIGHT. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).............65 88 100 100 100 100 WEATHER COV......... CHANCE CHANCE CHANCE LIKELY LIKELY WEATHER TYPE........NONE RAIN RAIN RAIN RAIN RAIN TEMP................59 55 53 50 49 47 MIN HUMIDITY........41 49 58 69 78 79 WIND (20 FT)........S 3 SE 2 S 2 SE 2 E 2 E 2 20 FT WIND GUST.....5 5 5 5 5 CWR.................10 40 40 40 70 70 .WEDNESDAY... SKY/WEATHER.........CLOUDY (85-95 PERCENT)...THEN BECOMING PARTLY SUNNY (55-65 PERCENT). RAIN LIKELY EARLY IN THE MORNING...THEN ENDING. MAX TEMPERATURE.....AROUND 56. MIN HUMIDITY........44 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING NORTHWEST 6 TO 7 MPH WITH GUSTS UP TO 20 MPH BY AFTERNOON. CWR (0.01 IN).......70 PERCENT. MIXING HEIGHT.......3500 FT AGL. TRANSPORT WINDS.....NORTHWEST 8 TO 16 MPH. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).............99 97 88 69 62 59 WEATHER COV.........LIKELY CHANCE CHANCE CHANCE S CHC S CHC WEATHER TYPE........RAIN RAIN RAIN RAIN RAIN RAIN TEMP................46 48 50 52 54 55 MIN HUMIDITY........79 66 63 57 49 45 WIND (20 FT)........E 2 W 5 W 5 NW 5 NW 5 NW 6 20 FT WIND GUST.....5 10 15 15 15 20 CWR.................70 40 40 40 20 20 $$ FORECASTER...MANUEL REQUESTED BY...STEVE SMESTAD TYPE OF REQUEST...PRESCRIBED .TAG 20100419.CUBVI.01/RNK