FNUS71 KAKQ 141216 FWSAKQ SPOT FORECAST FOR JAMES RIVER 1...US FISH AND WILDLIFE SERVICE NATIONAL WEATHER SERVICE WAKEFIELD VA 816 AM EDT THU APR 14 2011 FORECAST IS BASED ON IGNITION TIME OF 1200 EDT ON APRIL 14. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE WILL PREVAIL ACROSS THE MID ATLANTIC TODAY. A WEAK COLD FRONT PUSHES SOUTHWARD ACROSS THE REGION TONIGHT AS CANADIAN HIGH PRESSURE BUILDS IN FROM THE NORTH AND REMAINS ANCHORED ACROSS NEW ENGLAND AND ATLANTIC CANADA FRIDAY INTO FRIDAY NIGHT. MEANWHILE...LOW PRESSURE TRACKS FROM THE MID MISSISSIPPI VALLEY INTO ONTARIO FRIDAY NIGHT INTO SATURDAY...PUSHING ANOTHER COLD FRONT THROUGH THE MID ATLANTIC STATES SATURDAY EVENING INTO SUNDAY MORNING. HIGH PRESSURE RETURNS LATE SUNDAY INTO NEXT WEEK. .TODAY... SKY/WEATHER.........SUNNY (0-5 PERCENT). MAX TEMPERATURE.....AROUND 71. MIN HUMIDITY........32 PERCENT. WIND (20FT/2MIN)....LIGHT WINDS...BECOMING NORTHWEST AROUND 5 MPH IN THE LATE MORNING AND EARLY AFTERNOON...THEN BECOMING LIGHT LATE. MIXING HEIGHT.......300-1500 FT AGL...INCREASING TO 4800-5600 FT AGL. TRANSPORT WINDS.....NORTH 3 TO 10 MPH...INCREASING TO 6 TO 13 MPH LATE IN THE MORNING. VENTILATION RATE....VERY POOR TO FAIR (800-46500 FT-MPH). TIME (EDT) 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P SKY (%).........1 0 0 1 3 4 6 8 9 11 12 13 WEATHER COV..... WEATHER TYPE.... TEMP............65 67 69 70 70 70 69 66 63 59 56 52 RH..............40 37 33 33 35 36 39 45 52 60 66 77 20 FT WIND DIR..N N N N N N N NE NE E E SE 20 FT WIND SPD..4 3 3 3 3 3 3 3 3 3 3 3 20 FT WIND GUST.5 5 5 5 5 5 5 5 5 5 5 5 MIX HGT (KFT)...4.4 4.8 5.3 5.4 5.5 5.6 3.8 2.0 0.3 0.3 0.3 0.3 TRANSP WIND DIR.N N N N N N N NE NE NE E E TRANSP WIND SPD.13 12 9 8 7 6 5 3 3 5 5 6 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT). MIN TEMPERATURE.....AROUND 44. MAX HUMIDITY........100 PERCENT. WIND (20FT/2MIN)....LIGHT WINDS. MIXING HEIGHT.......2000-3800 FT AGL...DECREASING TO 300 FT AGL EARLY IN THE EVENING. TRANSPORT WINDS.....SOUTHEAST 2 TO 6 MPH. VENTILATION RATE....VERY POOR (500-15400 FT-MPH). .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). MAX TEMPERATURE.....AROUND 66. MIN HUMIDITY........46 PERCENT. WIND (20FT/2MIN)....LIGHT WINDS...BECOMING EAST 5 TO 10 MPH LATE IN THE MORNING. MIXING HEIGHT.......300-1600 FT AGL...INCREASING TO 4900-5700 FT AGL. TRANSPORT WINDS.....EAST 2 TO 10 MPH...INCREASING TO 14 TO 20 MPH LATE IN THE MORNING. VENTILATION RATE....VERY POOR TO FAIR (400-50000 FT-MPH)...INCREASING TO FAIR TO GOOD (58600-82600 FT-MPH) IN THE AFTERNOON. FORECASTER...ALBRIGHT REQUESTED BY...KYLE KRZYWICKI TYPE OF REQUEST...PRESCRIBED .TAG 20110414.JAMES.01/AKQ