FNUS71 KAKQ 021621
FWSAKQ

SPOT FORECAST FOR UNIT D...US FISH AND WILDLIFE SERVICE
NATIONAL WEATHER SERVICE WAKEFIELD VA
1121 AM EST MON FEB 2 2009

FORECAST IS BASED ON IGNITION TIME OF 1200 EST ON FEBRUARY 02.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A COLD FRONT MOVES SOUTH ACROSS THE REGION THIS AFTERNOON AND EVENING.
LOW PRESSURE DEVELOPS AND INTENSIFIES ALONG THAT FRONT OFFSHORE OF
THE MID ATLANTIC STATES TUESDAY...BEFORE TRACKING NORTHEAST TO THE
CANADIAN MARITIMES BY WEDNESDAY AFTERNOON. A SECONDARY LOW
DEVELOPS OFF THE MID ATLANTIC COAST ON WEDNESDAY...AND MOVES
OFFSHORE WEDNESDAY NIGHT. CANADIAN HIGH PRESSURE RETURNS THURSDAY.
NEITHER OF THESE LOW PRESSURE AREAS IS EXPECTED TO BRING SIGNIFICANT
PRECIPITATION TO THE REGION. MOST AREAS WILL RECEIVE A TENTH OF AN
INCH OR LESS.


.TODAY...

SKY/WEATHER.........SUNNY (20-30 PERCENT)...THEN BECOMING MOSTLY
                    CLOUDY (75-85 PERCENT) AFTER 3 PM.
MAX TEMPERATURE.....AROUND 59.
MIN HUMIDITY........53 PERCENT.
WIND (20FT/2MIN)....SOUTHWEST WINDS 5 TO 10 MPH BECOMING NORTH
                    NORTH AT 6 TO 10 MPH AFTER 4 PM.
MIXING HEIGHT.......2000 FT AGL THROUGH NOON...INCREASING TO 2700-3900
                    FT AGL BY 2 PM.
TRANSPORT WINDS.....NORTHWEST 2 TO 9 MPH...BECOMING NORTH AROUND 12
                    MPH LATE.
VENTILATION RATE....VERY POOR (1800-32200 FT-MPH).

TIME (EST)      12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P
SKY (%).........66  82  85  88  91  94  97  100 100 100 100 100
WEATHER COV.....                            CHC CHC CHC CHC CHC
WEATHER TYPE....                            RW  RW  RW  RW  RW
TEMP............48  49  49  49  49  47  45  43  42  41  40  39
RH..............58  56  56  56  56  60  68  73  76  76  79  82
20 FT WIND DIR..NW  N   N   N   N   N   N   N   N   N   N   N
20 FT WIND SPD..5   6   6   7   7   9   10  12  12  11  11  10
20 FT WIND GUST.10  10  10  10  10  15  15  20  20  20  20  15
MIX HGT (KFT)...1.9 2.1 2.7 3.3 3.9 3.2 2.6 2.0 1.9 1.8 1.7 1.7
MIXNG WIND DIR..SW  SW  W   NW  N   N   N   N   N   N   N   N
MIXNG WIND SPD..5   2   2   3   6   12  17  22  24  25  25  25

.TONIGHT...

SKY/WEATHER.........CLOUDY (95-100 PERCENT). A CHANCE OF RAIN
                    SHOWERS. A CHANCE OF SNOW SHOWERS AFTER
                    MIDNIGHT.
MIN TEMPERATURE.....AROUND 32.
MAX HUMIDITY........92 PERCENT.
WIND (20FT/2MIN)....NORTH WINDS 8 TO 13 MPH.
MIXING HEIGHT.......1700-2600 FT AGL.
TRANSPORT WINDS.....NORTH 17 TO 25 MPH.
VENTILATION RATE....VERY POOR TO POOR (31900-39200 FT-MPH).

.TUESDAY...

SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). A CHANCE OF RAIN
                    SHOWERS EARLY IN THE MORNING. A CHANCE OF SNOW
                    SHOWERS IN THE MORNING...THEN A CHANCE OF
                    SPRINKLES IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 36.
MIN HUMIDITY........63 PERCENT.
WIND (20FT/2MIN)....NORTHWEST WINDS 10 TO 12 MPH WITH GUSTS UP TO
                    20 MPH.
MIXING HEIGHT.......1700-2800 FT AGL.
TRANSPORT WINDS.....NORTHWEST 16 TO 21 MPH.
VENTILATION RATE....VERY POOR TO POOR (24700-44200 FT-MPH).



FORECASTER...RUSNAK
REQUESTED BY...KEITH MORRIS
TYPE OF REQUEST...PRESCRIBED
.TAG 20090202.UNITD.01/AKQ