FNUS71 KAKQ 141754 FWSAKQ SPOT FORECAST FOR JAMES RIVER S P BURN...DCR NATIONAL WEATHER SERVICE WAKEFIELD VA 154 PM EDT THU APR 14 2011 FORECAST IS BASED ON IGNITION TIME OF 1601 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........25 PERCENT. WIND (20FT/2MIN)....LIGHT WINDS. MIXING HEIGHT.......5200-6500 FT AGL. TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH. VENTILATION RATE....VERY POOR (800-28400 FT-MPH). TIME (EDT) 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM SKY (%).........1 4 6 9 11 13 15 18 20 22 22 19 WEATHER COV..... WEATHER TYPE.... TEMP............71 71 70 68 65 60 55 51 49 47 46 44 RH..............29 31 34 40 47 57 66 74 79 83 89 93 20 FT WIND DIR..SW SE E E E E E E E E E E 20 FT WIND SPD..3 3 3 3 3 3 3 3 2 2 1 2 20 FT WIND GUST.10 10 10 5 5 5 5 5 5 5 MIX HGT (KFT)...6.5 6.5 6.0 5.4 4.9 3.4 1.8 0.3 0.3 0.3 0.3 0.3 TRANSP WIND DIR.NE E E E E E E E E E E E TRANSP WIND SPD.2 3 3 5 5 5 5 3 3 3 3 3 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT). MIN TEMPERATURE.....AROUND 41. MAX HUMIDITY........93 PERCENT. WIND (20FT/2MIN)....LIGHT WINDS. MIXING HEIGHT.......4900-6000 FT AGL...DECREASING TO 300 FT AGL. TRANSPORT WINDS.....EAST 3 TO 5 MPH. VENTILATION RATE....VERY POOR (800-19800 FT-MPH). FORECASTER...RUSNAK REQUESTED BY...ERIK MOLLEEN TYPE OF REQUEST...PRESCRIBED .TAG 20110414.JAMES.02/AKQ