FNUS71 KAKQ 271147 FWSAKQ SPOT FORECAST FOR NORTH END...USDA-US FOREST SERVICE (USFS) NATIONAL WEATHER SERVICE WAKEFIELD VA 647 AM EST FRI FEB 27 2009 FORECAST IS BASED ON IGNITION TIME OF 0655 EST ON FEBRUARY 27. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... ...WARM WITH INCREASING SOUTHERLY WINDS TODAY... ...WIDESPREAD PRECIPITATION OVER THE WEEKEND... HIGH PRESSURE REMAINS CENTERED OFF THE MID ATLANTIC COAST TODAY...AS A COLD FRONT APPROACHES FROM THE WEST. THE FRONT WILL PUSH THROUGH THE AREA THIS EVENING...BEFORE STALLING ACROSS NORTH CAROLINA ON SATURDAY. A SERIES OF LOW PRESSURE SYSTEMS WILL TRACK ALONG THE BOUNDARY OVER THE WEEKEND AND INTO MONDAY...BRINGING COOL TO COLD TEMPERATURES AND WIDESPREAD PRECIPITATION. HIGH PRESSURE RETURNS BY TUESDAY. .TODAY... SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT)...BECOMING MOSTLY CLOUDY WITH A CHANCE OF SHOWERS LATE. MAX TEMPERATURE.....AROUND 65. MIN HUMIDITY........48 PERCENT. WIND (20FT/2MIN)....SOUTH WINDS 12 TO 17 MPH. GUSTS UP TO 25 MPH IN THE LATE MORNING AND AFTERNOON. MIXING HEIGHT.......300-1900 FT AGL...INCREASING TO 2400-4000 FT AGL LATE IN THE MORNING. TRANSPORT WINDS.....SOUTH 8 TO 14 MPH...INCREASING TO 26 TO 29 MPH. VENTILATION RATE....VERY POOR TO FAIR (1800-49900 FT-MPH)...INCREASING TO GOOD (65900-95200 FT-MPH) IN THE AFTERNOON. TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........54 54 53 52 56 59 63 68 72 76 80 83 WEATHER COV..... CHC CHC CHC CHC WEATHER TYPE.... RW RW RW RW TEMP............51 54 57 60 61 63 65 65 64 65 65 64 RH..............89 89 80 69 62 58 54 54 58 58 58 60 20 FT WIND DIR..S S S S S S S S S S S S 20 FT WIND SPD..6 8 10 10 11 14 15 15 15 14 14 15 20 FT WIND GUST.11 12 14 17 19 25 25 25 25 25 25 30 MIX HGT (KFT)...0.9 1.2 1.5 1.9 2.4 2.9 3.4 3.6 3.8 4.0 4.0 3.1 MIXNG WIND DIR..S S S S S S S S S S S S MIXNG WIND SPD..10 14 18 22 24 26 28 29 29 29 28 26 .TONIGHT... SKY/WEATHER.........CLOUDY (85-95 PERCENT). A CHANCE OF SHOWERS IN THE EVENING...THEN RAIN LIKELY AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 48. MAX HUMIDITY........86 PERCENT. WIND (20FT/2MIN)....WEST WINDS 12 TO 17 MPH WITH GUSTS UP TO 30 MPH. MIXING HEIGHT.......300-2200 FT AGL. TRANSPORT WINDS.....SOUTHWEST 16 TO 25 MPH...DECREASING TO 12 TO 15 MPH LATE. VENTILATION RATE....VERY POOR TO FAIR (3300-48600 FT-MPH). .SATURDAY... SKY/WEATHER.........CLOUDY (95-100 PERCENT). RAIN LIKELY IN THE MORNING...THEN RAIN IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 51. MIN HUMIDITY........79 PERCENT. WIND (20FT/2MIN)....NORTHEAST WINDS 12 TO 20 MPH WITH GUSTS UP TO 30 MPH. MIXING HEIGHT.......700-1700 FT AGL. TRANSPORT WINDS.....WEST 8 TO 13 MPH...INCREASING TO NORTHEAST 20 TO 25 MPH IN THE LATE MORNING AND AFTERNOON. VENTILATION RATE....VERY POOR TO POOR (5300-37300 FT-MPH). FORECASTER...BROWN REQUESTED BY...JON BECK TYPE OF REQUEST...PRESCRIBED .TAG 20090227.NORTH.02/AKQ