FNUS71 KRNK 192019 FWSRNK SPOT FORECAST FOR CUBVILLE P BURN...USFS NATIONAL WEATHER SERVICE BLACKSBURG VA 419 PM EDT MON APR 19 2010 FORECAST IS BASED ON IGNITION TIME OF 1610 EDT ON APRIL 19. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A WEAK AREA OF LOW PRESSURE WILL MOVE ALONG THE GULF COAST TUESDAY... PASSING OFF THE CAROLINA COAST WEDNESDAY. THIS STORM SYSTEM WILL BRING A PERIOD OF CLOUDINESS TO THE AREA TUESDAY AND WEDNESDAY ALONG WITH A CHANCE OF RAIN FROM TUESDAY EVENING THROUGH WEDNESDAY MORNING. THE BEST OPPORTUNITY FOR A WETTING RAIN IS ALONG AND SOUTH OF THE VIRGINIA-NORTH CAROLINA BORDER. DRY WEATHER IS EXPECTED BEHIND THIS SYSTEM FROM WEDNESDAY NIGHT THROUGH FRIDAY NIGHT. A COLD FRONT WILL BRING A CHANCE OF SHOWERS AND THUNDERSTORMS TO THE REGION FOR THE WEEKEND. HIGH CLOUDS WILL WORK INTO THE CUBVILLE AREA LATE TONIGHT...WITH INCREASING LOWER CLOUDS BY LATE IN THE AFTERNOON. LOOKING AT THE HUMIDITY DROPPING AS LOW AS 47 PERCENT TUESDAY AFTERNOON...BUT DEPENDING ON HOW FAST THE LOWER CLOUDS ARRIVE...THE MIXING HEIGHTS WILL RANGE FROM AS LOW AS 4500 FEET TO AS MUCH AS 7000 FEET. BASED ON THE CURRENT THINKING...A HIGHER MIXING HEIGHT IS EXPECTED. .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT). MIN TEMPERATURE.....AROUND 42. MAX HUMIDITY........68 PERCENT. WIND (20 FT)........NORTHWEST WINDS 5 TO 6 MPH EARLY IN THE EVENING...BECOMING LIGHT AND VARIABLE...THEN BECOMING NORTHWEST 5 TO 6 MPH LATE IN THE EVENING. CWR (0.01 IN).......0 PERCENT. MIXING HEIGHT.......600 FT AGL. TRANSPORT WINDS.....NORTHEAST 6 TO 14 MPH...BECOMING EAST AROUND 3 MPH LATE...THEN BECOMING SOUTH 0 TO 1 MPH LATE. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).............9 10 13 17 20 23 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE NONE NONE TEMP................55 52 50 48 46 45 MIN HUMIDITY........31 45 56 59 60 58 WIND (20 FT)........NW 5 NW 3 NW 3 NW 5 NW 5 NW 5 20 FT WIND GUST.....10 5 5 10 10 10 CWR.................0 0 0 0 0 0 .TUESDAY... SKY/WEATHER.........INCREASING CLOUDS(40-50 PERCENT). MAX TEMPERATURE.....AROUND 59. MIN HUMIDITY........46 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING SOUTHWEST AROUND 5 MPH EARLY IN THE AFTERNOON...THEN BECOMING LIGHT AND VARIABLE LATE. CWR (0.01 IN).......10 PERCENT. MIXING HEIGHT.......6100 FT AGL. TRANSPORT WINDS.....SOUTHWEST 0 TO 7 MPH...INCREASING TO 7 TO 10 MPH LATE IN THE MORNING. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).............28 35 38 43 50 56 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE NONE NONE TEMP................44 46 50 54 56 58 MIN HUMIDITY........63 65 57 51 49 47 WIND (20 FT)........W 3 S 2 S 2 S 2 SW 4 SW 3 20 FT WIND GUST.....5 5 5 5 5 5 CWR.................0 0 0 0 0 0 .TUESDAY NIGHT... SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). A CHANCE OF RAIN EARLY IN THE EVENING. RAIN LIKELY LATE. MIN TEMPERATURE.....AROUND 46. MAX HUMIDITY........83 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS. CWR (0.01 IN).......60 PERCENT. MIXING HEIGHT.......400 FT AGL. TRANSPORT WINDS.....SOUTH 10 TO 15 MPH...DECREASING TO 0 TO 9 MPH IN THE LATE EVENING AND OVERNIGHT. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).............65 78 88 96 100 97 WEATHER COV......... CHANCE CHANCE CHANCE CHANCE CHANCE WEATHER TYPE........NONE RAIN RAIN RAIN RAIN RAIN TEMP................57 55 53 51 49 48 MIN HUMIDITY........47 51 58 65 70 75 WIND (20 FT)........S 2 S 2 S 1 SW 0 W 0 W 2 20 FT WIND GUST.....5 5 CWR.................10 30 30 40 50 50 .WEDNESDAY... SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). RAIN LIKELY EARLY IN THE MORNING...THEN A CHANCE OF RAIN EARLY IN THE MORNING. MAX TEMPERATURE.....AROUND 56. MIN HUMIDITY........56 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING NORTH AROUND 5 MPH. CWR (0.01 IN).......60 PERCENT. MIXING HEIGHT.......3700 FT AGL. TRANSPORT WINDS.....NORTH 1 TO 9 MPH. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).............90 82 76 70 65 59 WEATHER COV.........LIKELY CHANCE CHANCE CHANCE S CHC S CHC WEATHER TYPE........RAIN RAIN RAIN RAIN RNSHWR RNSHWR TEMP................47 48 50 53 54 55 MIN HUMIDITY........80 79 72 67 63 59 WIND (20 FT)........W 3 NW 4 NW 4 NW 4 NW 4 N 4 20 FT WIND GUST.....5 10 10 5 10 10 CWR.................60 50 50 40 20 20 $$ FORECASTER...PERRY REQUESTED BY...STEVE SMESTAD TYPE OF REQUEST...PRESCRIBED .TAG 20100419.CUBVI.01/RNK