FNUS71 KAKQ 131312 FWSAKQ SPOT FORECAST FOR A POOL...US FISH AND WILDLIFE SERVICE (NWR) NATIONAL WEATHER SERVICE WAKEFIELD VA 912 AM EDT TUE APR 13 2010 FORECAST IS BASED ON IGNITION TIME OF 1200 EDT ON APRIL 13. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... AN UPPER LEVEL DISTURBANCE TRACKS FROM THE GREAT LAKES STATES THROUGH THE MID ATLANTIC REGION LATE THIS AFTERNOON INTO WEDNESDAY MORNING. HIGH PRESSURE WILL THEN BUILD SOUTHWARD INTO THE MID ATLANTIC ON WEDNESDAY AND LINGERS INTO FRIDAY. A COLD FRONT SWEEPS ACROSS THE REGION FRIDAY NIGHT. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (30 PERCENT)...THEN BECOMING MOSTLY CLOUDY (70-80 PERCENT). A SLIGHT CHANCE OF SHOWERS LATER IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 64. MIN HUMIDITY........60 PERCENT. WIND (20FT/2MIN)....EAST WINDS 5 TO 10 MPH IN THE LATE MORNING AND AFTERNOON. MIXING HEIGHT.......300 FT AGL...INCREASING TO 1700 FT AGL. TRANSPORT WINDS.....EAST 5 TO 10 MPH...BECOMING SOUTHEAST 10 TO 15 MPH IN THE AFTERNOON. VENTILATION RATE....VERY POOR (800-20800 FT- MPH). TIME (EDT) 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P SKY (%).........29 40 65 70 75 75 80 90 92 94 96 98 WEATHER COV..... SCH SCH CHC CHC CHC LKY LKY LKY WEATHER TYPE.... RW RW RW RW RW RN RN RN TEMP............61 62 62 62 60 59 59 58 57 56 55 54 RH..............67 65 67 67 70 74 75 80 80 83 86 86 20 FT WIND DIR..E E E E E E E NE NE NE NE NE 20 FT WIND SPD..6 7 7 7 8 8 9 10 11 13 14 16 20 FT WIND GUST.10 10 10 10 15 15 15 15 20 20 25 25 MIX HGT (KFT)...1.1 1.6 1.6 1.4 1.3 0.9 0.7 0.5 0.3 0.3 0.3 0.3 TRANSP WIND DIR.E SE SE SE SE E E E E NE NE NE TRANSP WIND SPD.12 14 15 14 12 10 13 15 18 24 28 30 .TONIGHT... SKY/WEATHER.........CLOUDY (85-100 PERCENT). RAIN LIKELY IN THE EVENING...THEN A CHANCE OF SHOWERS AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 51. MAX HUMIDITY........95 PERCENT. WIND (20FT/2MIN)....NORTHEAST WINDS 10 TO 18 MPH. MIXING HEIGHT.......300-1800 FT AGL. TRANSPORT WINDS.....EAST 13 TO 18 MPH...INCREASING TO 22 TO 30 MPH IN THE LATE EVENING AND EARLY MORNING...THEN BECOMING NORTHEAST 17 TO 20 MPH LATE. VENTILATION RATE....VERY POOR (5300-27600 FT-MPH). .WEDNESDAY... SKY/WEATHER.........MOSTLY CLOUDY...BECOMING PARTLY SUNNY. MAX TEMPERATURE.....AROUND 58. MIN HUMIDITY........59 PERCENT. WIND (20FT/2MIN)....NORTHEAST WINDS 13 TO 15 MPH. MIXING HEIGHT.......1800-3500 FT AGL...INCREASING TO 3800-4000 FT AGL EARLY IN THE AFTERNOON. TRANSPORT WINDS.....NORTHEAST 16 TO 18 MPH. VENTILATION RATE....VERY POOR TO FAIR (27300-56200 FT-MPH). FORECASTER...BROWN REQUESTED BY...KYLE KRZYWICKI TYPE OF REQUEST...PRESCRIBED .TAG 20100413.APOOL.01/AKQ