FNUS71 KAKQ 131401 FWSAKQ SPOT FORECAST FOR STUDY PLOT 2A-3A-7A...US FISH AND WILDLIFE SERVICE (NWR) NATIONAL WEATHER SERVICE WAKEFIELD VA 901 AM EST FRI FEB 13 2009 FORECAST IS BASED ON IGNITION TIME OF 1030 EST ON FEBRUARY 13. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... ...VERY DRY CONDITIONS CONTINUE TODAY... HIGH PRESSURE WILL CONTINUE TO SLOWLY BUILD INTO THE AREA FROM THE WEST TODAY...WITH DRY NORTHWEST WINDS PREVAILING ACROSS THE REGION. A SERIES OF LOW PRESSURE SYSTEMS WILL MOVE INTO THE CAROLINAS FROM THE TENNESSEE VALLEY OVER THE WEEKEND INTO EARLY NEXT WEEK...BRINGING COOLER TEMPERATURES AND INCREASING MOISTURE TO THE AREA. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT). MAX TEMPERATURE.....AROUND 52. MIN HUMIDITY........33 PERCENT. WIND (20FT/2MIN)....NORTHWEST WINDS 12 TO 17 MPH. MIXING HEIGHT.......300-1600 FT AGL...INCREASING TO 4500-6300 FT AGL. TRANSPORT WINDS.....WEST 14 TO 20 MPH...INCREASING TO NORTHWEST 25 TO 32 MPH IN THE LATE MORNING AND AFTERNOON. VENTILATION RATE....VERY POOR (3100-25900 FT-MPH)...INCREASING TO EXCELLENT (114700-160200 FT-MPH). TIME (EST) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM SKY (%).........33 37 42 42 42 42 42 42 43 43 44 45 WEATHER COV..... WEATHER TYPE.... TEMP............45 47 48 50 51 51 49 46 44 41 40 38 RH..............41 40 38 37 36 39 45 49 57 59 64 67 20 FT WIND DIR..W NW NW NW NW NW NW NW NW N N N 20 FT WIND SPD..15 15 15 15 14 14 14 11 10 8 7 6 20 FT WIND GUST.25 25 25 25 25 20 20 20 15 15 15 10 MIX HGT (KFT)...4.7 5.3 5.9 6.0 6.1 6.3 6.3 4.5 2.8 1.0 0.8 0.7 MIXNG WIND DIR..NW NW NW NW NW NW NW NW NW NW NW NW MIXNG WIND SPD..32 32 31 29 29 29 29 29 29 28 25 23 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). MIN TEMPERATURE.....AROUND 27. MAX HUMIDITY........78 PERCENT. WIND (20FT/2MIN)....NORTH WINDS 6 TO 11 MPH IN THE EVENING...BECOMING LIGHT AND VARIABLE. MIXING HEIGHT.......1000-2800 FT AGL...DECREASING TO 300-800 FT AGL EARLY IN THE EVENING. TRANSPORT WINDS.....NORTHWEST 21 TO 29 MPH...DECREASING TO 10 TO 18 MPH LATE IN THE EVENING. VENTILATION RATE....VERY POOR TO GOOD (23500-68700 FT-MPH)...DECREASING TO VERY POOR (2300-18300 FT-MPH) EARLY IN THE EVENING. .SATURDAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). MAX TEMPERATURE.....AROUND 46. MIN HUMIDITY........43 PERCENT. WIND (20FT/2MIN)....LIGHT AND VARIABLE WINDS...BECOMING EAST 5 TO 7 MPH LATE IN THE MORNING...THEN BECOMING LIGHT AND VARIABLE LATE. MIXING HEIGHT.......300-2200 FT AGL...INCREASING TO 1800-2700 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....SOUTHWEST 6 TO 12 MPH. VENTILATION RATE....VERY POOR (2300-21200 FT-MPH). FORECASTER...MCNATT REQUESTED BY...KEITH MORRIS TYPE OF REQUEST...PRESCRIBED .TAG 20090213.STUDY.01/AKQ