FNUS71 KAKQ 271343
FWSAKQ

SPOT FORECAST FOR BLACKWATER ECOLOGICAL PRESERVE...DCR-DNH
NATIONAL WEATHER SERVICE WAKEFIELD VA
943 AM EDT MON APR 27 2009

FORECAST IS BASED ON IGNITION TIME OF 1600 EDT ON APRIL 27.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

...UNSEASONABLY WARM THROUGH TUESDAY...

HIGH PRESSURE WILL REMAIN ANCHORED OFF THE MID ATLANTIC AND
SOUTHEAST COASTS THROUGH TUESDAY. THIS WILL RESULT IN A
CONTINUATION OF DRY...SUMMER-LIKE WEATHER. A SERIES OF COLD FRONTS
WILL AFFECT THE REGION WEDNESDAY THROUGH THE END OF THE WEEK...
WITH A CHANCE OF RAIN EXPECTED WEDNESDAY THROUGH FRIDAY.

.TODAY...

SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 91.
MIN HUMIDITY........27 PERCENT.
WIND (20FT/2MIN)....LIGHT WINDS...BECOMING SOUTHWEST 5 TO 9 MPH IN
                    THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......300-1700 FT AGL...INCREASING TO 7600-8600 FT
                    AGL.
TRANSPORT WINDS.....SOUTHWEST 7 TO 16 MPH...INCREASING TO 17 TO 18
                    MPH LATE.
VENTILATION RATE....VERY POOR (1400-32800 FT-MPH)...INCREASING TO
                    EXCELLENT (116300-135200 FT-MPH).

TIME (EDT)      4PM 5PM 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM
SKY (%).........5   5   5   5   5   4   3   3   2   1   0   0
WEATHER COV.....
WEATHER TYPE....
TEMP............90  91  88  82  77  73  70  67  65  64  63  62
RH..............30  29  33  41  52  59  66  73  75  75  75  78
20 FT WIND DIR..SW  S   S   S   S   S   S   S   S   SW  SW  SW
20 FT WIND SPD..8   8   8   6   3   3   3   2   2   2   2   2
20 FT WIND GUST.15  15  15  10  5   5   5   5   5   5   5   5
MIX HGT (KFT)...8.1 8.6 5.8 3.0 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3
MIXNG WIND DIR..SW  S   S   S   S   S   S   S   S   SW  SW  SW
MIXNG WIND SPD..18  18  15  12  9   8   8   9   8   8   8   7

.TONIGHT...

SKY/WEATHER.........CLEAR (0-10 PERCENT).
MIN TEMPERATURE.....AROUND 60.
MAX HUMIDITY........78 PERCENT.
WIND (20FT/2MIN)....SOUTH WINDS 6 TO 9 MPH EARLY IN THE
                    EVENING...BECOMING LIGHT.
MIXING HEIGHT.......5800 FT AGL...DECREASING TO 300 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 7 TO 15 MPH.
VENTILATION RATE....VERY POOR TO GOOD (31600-78100
                    FT-MPH)...DECREASING TO VERY POOR (1500-2000
                    FT-MPH) EARLY IN THE EVENING.

.TUESDAY...

SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 89.
MIN HUMIDITY........27 PERCENT.
WIND (20FT/2MIN)....LIGHT WINDS...BECOMING SOUTHWEST 5 TO 10 MPH
                    WITH GUSTS UP TO 20 MPH EARLY IN THE MORNING.
MIXING HEIGHT.......300-2100 FT AGL...INCREASING TO 8400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 8 TO 16 MPH...INCREASING TO 18 TO 26
                    MPH IN THE AFTERNOON.
VENTILATION RATE....VERY POOR TO POOR (1700-41800
                    FT-MPH)...INCREASING TO EXCELLENT
                    (166400-189100 FT-MPH).



FORECASTER...GINGRICH
REQUESTED BY...REBECCA WILSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20090427.BLACK.01/AKQ