FNUS71 KRNK 052220 FWSRNK SPOT FORECAST FOR PATTERSON CREEK RX BURN...USFS NATIONAL WEATHER SERVICE BLACKSBURG VA 520 PM EST FRI MAR 5 2010 FORECAST IS BASED ON IGNITION TIME OF 1200 EST ON MARCH 06. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE WILL BE CENTERED OVER THE OHIO VALLEY SATURDAY...THEN DRIFT SOUTHEAST AND BE CENTERED OVER THE MID ATLANTIC REGION SUNDAY. AS A RESULT EXPECT DRY CONDITIONS AND LIGHT WINDS. SINCE THE GENERAL WINDS WILL BE LIGHT...LOCAL TERRAIN INDUCED WINDS SHOULD DOMINATE AT THE SURFACE WITH A LIGHT UPSLOPE WIND 2 TO 5 MPH DEVELOPING AT EYE LEVEL ON THE SOUTH SLOPE DURING THE AFTERNOON. WITH NORTHWEST WINDS FORECAST ALOFT...THE RESULTANT EDDY MAY CAUSE SMOKE TO LINGER JUST ABOVE RIDGETOP LEVEL ON THE SOUTH SIDE OF THE SLOPE. THIS SHOULD BE NO BIG DEAL UNLESS YOU ARE TRYING TO USE AN AIR SHIP TO DO THE SEEDING. IF THIS IS THE CASE...THEN TELL THE PILOT TO BE PREPARED TO EAT A LITTLE SMOKE. .SATURDAY... SKY/WEATHER.........SUNNY (0-10 PERCENT). MIN HUMIDITY........25 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING NORTHWEST 5 TO 7 MPH IN THE LATE MORNING AND AFTERNOON. MIXING HEIGHT.......3300 FT AGL. TRANSPORT WINDS.....NORTHWEST 10 TO 12 MPH. TIME (EST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).............2 3 3 2 3 3 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE NONE NONE MIN HUMIDITY........70 60 42 35 29 25 WIND (20 FT)........W 3 W 3 NW 4 NW 5 NW 5 NW 6 20 FT WIND GUST.....5 5 10 10 15 15 .SATURDAY NIGHT... SKY/WEATHER.........CLEAR (0-10 PERCENT). MAX HUMIDITY........71 PERCENT. WIND (20 FT)........NORTHWEST WINDS 5 TO 6 MPH EARLY IN THE EVENING...BECOMING LIGHT AND VARIABLE. MIXING HEIGHT.......500 FT AGL. TRANSPORT WINDS.....SOUTHWEST 2 TO 6 MPH. TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).............4 4 3 3 3 4 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE NONE NONE MIN HUMIDITY........31 37 44 50 54 57 WIND (20 FT)........NW 5 NW 4 NW 3 NW 2 W 3 W 4 20 FT WIND GUST.....10 10 5 5 5 5 .SUNDAY... SKY/WEATHER.........SUNNY (10-20 PERCENT). MIN HUMIDITY........23 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING WEST 5 TO 6 MPH IN THE LATE MORNING AND AFTERNOON. MIXING HEIGHT.......3000 FT AGL. TRANSPORT WINDS.....NORTHWEST 4 TO 7 MPH. TIME (EST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).............5 6 9 11 16 24 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE NONE NONE MIN HUMIDITY........66 59 40 32 26 23 WIND (20 FT)........NW 3 NW 3 W 4 W 4 W 5 W 5 20 FT WIND GUST.....5 5 10 10 10 10 $$ FORECASTER...MANUEL REQUESTED BY...RON NIXON TYPE OF REQUEST...PRESCRIBED .TAG 20100306.PATTE.02/RNK