FNUS71 KAKQ 171156
FWSAKQ

SPOT FORECAST FOR LSA...VIRGINIA DEPARTMENT OF FORESTRY (VADOF)
NATIONAL WEATHER SERVICE WAKEFIELD VA
756 AM EDT MON AUG 17 2009

FORECAST IS BASED ON IGNITION TIME OF 1100 EDT ON AUGUST 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
WEAK HIGH PRESSURE WILL REMAIN OVER THE MID ATLANTIC REGION AND
OFF THE SOUTHEAST COAST TODAY INTO WEDNESDAY. A SLOW MOVING
FRONTAL BOUNDARY WILL APPROACH THE AREA FROM THE WEST LATE IN THE
WEEK.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). PATCHY FOG EARLY
                    IN THE MORNING.
MAX TEMPERATURE.....AROUND 92.
MIN HUMIDITY........33 PERCENT.
WIND (20FT/2MIN)....LIGHT WINDS...BECOMING SOUTH 5 TO 6 MPH LATE.
MIXING HEIGHT.......300-1700 FT AGL...INCREASING TO 6000-7000 FT
                    AGL.
TRANSPORT WINDS.....SOUTHWEST 4 TO 8 MPH.
VENTILATION RATE....VERY POOR TO FAIR (1000-49000 FT-MPH).

TIME (EDT)      11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P
SKY (%).........33  33  34  35  36  38  39  40  42  43  41  39
WEATHER COV.....
WEATHER TYPE....
TEMP............85  87  90  90  90  91  90  88  83  79  75  72
RH..............48  43  38  37  37  34  37  39  47  54  62  71
20 FT WIND DIR..SW  SW  SW  SW  S   S   S   S   S   SW  S   S
20 FT WIND SPD..3   3   3   3   5   5   5   4   3   3   2   1
20 FT WIND GUST.5   5   5   5   8   9   10  10  5   5   5
MIX HGT (KFT)...3.4 5.1 6.0 7.0 7.0 7.0 7.0 4.8 2.6 0.3 0.3 0.3
TRANSP WIND DIR.W   W   SW  SW  SW  SW  S   S   S   S   S   S
TRANSP WIND SPD.3   5   6   7   7   8   8   9   9   9   10  10

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
MIN TEMPERATURE.....AROUND 65.
MAX HUMIDITY........100 PERCENT.
WIND (20FT/2MIN)....SOUTH WINDS AROUND 5 MPH EARLY IN THE
                    EVENING...BECOMING LIGHT.
MIXING HEIGHT.......4800 FT AGL...DECREASING TO 300 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
VENTILATION RATE....VERY POOR TO POOR (1100-36700 FT-MPH).

.TUESDAY...

SKY/WEATHER.........PARTLY TO MOSTLY SUNNY (40-50 PERCENT).
MAX TEMPERATURE.....AROUND 92.
MIN HUMIDITY........39 PERCENT.
WIND (20FT/2MIN)....LIGHT WINDS...BECOMING SOUTHWEST 5 TO 10 MPH
                    WITH GUSTS UP TO 20 MPH LATE IN THE MORNING.
MIXING HEIGHT.......300-1600 FT AGL...INCREASING TO 7200-7400 FT
                    AGL.
TRANSPORT WINDS.....SOUTHWEST 6 TO 14 MPH.
VENTILATION RATE....VERY POOR TO POOR (1300-40800
                    FT-MPH)...INCREASING TO FAIR TO GOOD
                    (56100-89100 FT-MPH) EARLY IN THE AFTERNOON.



FORECASTER...BROWN
REQUESTED BY...CONLEY
TYPE OF REQUEST...PRESCRIBED
.TAG 20090817.LSA__.01/AKQ