FNUS71 KAKQ 281101 FWSAKQ SPOT FORECAST FOR PINEY GROVE...USDA-US FOREST SERVICE (USFS) NATIONAL WEATHER SERVICE WAKEFIELD VA 701 AM EDT TUE APR 28 2009 FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON APRIL 28. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... ...WARM AND DRY AGAIN TODAY... ..INCREASED FIRE DANGER FOR VIRGINIA AND MARYLAND... HIGH PRESSURE WILL REMAIN ANCHORED OFF THE MID ATLANTIC AND SOUTHEAST COASTS TODAY...AS LOW PRESSURE MOVES FROM THE GREAT LAKES TO NEW ENGLAND. EXPECT A CONTINUATION OF DRY CONDITIONS...VERY WARM TEMPERATURES...ALONG WITH A SOMEWHAT BREEZY SOUTHWEST FLOW FOR MUCH OF VIRGINIA AND MARYLAND. MUCH COOLER CONDITIONS...ALONG WITH A CHANCE FOR SHOWERS CAN BE EXPECTED LATER WEDNESDAY AND THURSDAY. .TODAY... SKY/WEATHER.........SUNNY (0-10 PERCENT). MAX TEMPERATURE.....AROUND 89. MIN HUMIDITY........24 PERCENT. WIND (20FT/2MIN)....SOUTHWEST WINDS 5 TO 10 MPH. MIXING HEIGHT.......300-2000 FT AGL...INCREASING TO 5500-6800 FT AGL. TRANSPORT WINDS.....SOUTHWEST 8 TO 16 MPH...INCREASING TO 18 TO 23 MPH LATE IN THE MORNING. VENTILATION RATE....VERY POOR TO FAIR (1800-47400 FT-MPH)...INCREASING TO EXCELLENT (122400-136500 FT-MPH). TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM SKY (%).........5 5 5 10 10 10 11 11 11 12 12 12 WEATHER COV..... WEATHER TYPE.... TEMP............73 79 83 86 87 88 89 88 86 80 75 71 RH..............44 39 32 29 27 26 25 26 29 38 46 55 20 FT WIND DIR..SW SW SW SW SW SW SW SW SW SW SW SW 20 FT WIND SPD..6 8 10 10 10 11 11 10 9 7 6 6 20 FT WIND GUST.15 15 15 16 18 20 20 20 15 15 10 10 MIX HGT (KFT)...2.0 3.0 4.2 5.5 6.8 6.8 6.8 6.8 4.6 2.4 0.3 0.3 MIXNG WIND DIR..SW SW SW SW SW SW SW SW SW SW SW SW MIXNG WIND SPD..16 18 21 22 23 23 22 21 18 16 13 10 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT). MIN TEMPERATURE.....AROUND 59. MAX HUMIDITY........90 PERCENT. WIND (20FT/2MIN)....SOUTHWEST WINDS 5 TO 10 MPH. MIXING HEIGHT.......4600 FT AGL...DECREASING TO 300 FT AGL. TRANSPORT WINDS.....SOUTHWEST 9 TO 18 MPH...DECREASING TO 8 TO 10 MPH LATE IN THE EVENING. VENTILATION RATE....VERY POOR TO GOOD (33300-74500 FT-MPH)...DECREASING TO VERY POOR (1800-2800 FT-MPH) EARLY IN THE EVENING. .WEDNESDAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT)...THEN BECOMING MOSTLY CLOUDY (75-85 PERCENT). A CHANCE OF SHOWERS AND THUNDERSTORMS LATE. MAX TEMPERATURE.....AROUND 81. MIN HUMIDITY........45 PERCENT. WIND (20FT/2MIN)....NORTHWEST WINDS 6 TO 8 MPH. MIXING HEIGHT.......300-1600 FT AGL...INCREASING TO 5100-5900 FT AGL. TRANSPORT WINDS.....NORTHWEST 10 TO 17 MPH. VENTILATION RATE....VERY POOR TO POOR (2300-44600 FT-MPH)...INCREASING TO FAIR TO GOOD (56400-70700 FT-MPH) LATE IN THE MORNING. FORECASTER...BROWN REQUESTED BY...SAM LINDBLOM TYPE OF REQUEST...PRESCRIBED .TAG 20090428.PINEY.01/AKQ