FNUS71 KAKQ 241300
FWSAKQ

SPOT FORECAST FOR GRIFFITHS NECK...MD DNR FOREST SERVICE
NATIONAL WEATHER SERVICE WAKEFIELD VA
900 AM EDT WED MAR 24 2010

FORECAST IS BASED ON IGNITION TIME OF 1100 EDT ON MARCH 24.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

...LOW RH THIS AFTERNOON WITH SUNSHINE AND GOOD MIXING...

HIGH PRESSURE BUILDS INTO THE MID ATLANTIC STATES TODAY...AND THEN
SLIDES OFFSHORE ON THURSDAY. ANOTHER COLD FRONT SETTLES SOUTH INTO
THE REGION ON FRIDAY...AS LOW PRESSURE FROM THE WEST CROSSES THE
MID ATLANTIC STATES. HIGH PRESSURE FROM EASTERN CANADA RETURNS ON
SATURDAY. ANOTHER LOW PRESSURE SYSTEM MOVES THROUGH THE AREA
SUNDAY NIGHT INTO MONDAY.

.TODAY...

SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....AROUND 64.
MIN HUMIDITY........28 PERCENT.
WIND (20FT/2MIN)....NORTHWEST WINDS 10 TO 16 MPH. GUSTS UP TO 30
                    MPH IN THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......1600-3100 FT AGL...INCREASING TO 3800-4000 FT
                    AGL LATE IN THE MORNING.
TRANSPORT WINDS.....NORTHWEST 20 TO 26 MPH.
VENTILATION RATE....VERY POOR (26200-69700 FT-MPH)...INCREASING
                    TO GOOD (65900-87000 FT-MPH) BY LATE MORNING.

TIME (EDT)      11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P
SKY (%).........0   0   1   1   6   10  15  20  24  29  30  30
WEATHER COV.....
WEATHER TYPE....
TEMP............58  58  60  61  62  63  62  60  58  53  51  49
RH..............41  40  37  35  32  30  30  33  39  48  52  56
20 FT WIND DIR..W   NW  NW  NW  NW  NW  NW  NW  W   W   W   W
20 FT WIND SPD..14  14  13  13  12  11  10  9   6   4   3   3
20 FT WIND GUST.30  25  25  25  25  25  20  15  10  5   5   5
MIX HGT (KFT)...3.8 3.9 3.9 4.0 3.9 3.9 3.8 2.6 1.4 0.3 0.3 0.3
TRANSP WIND DIR.NW  NW  NW  NW  NW  NW  NW  NW  W   W   W   W
TRANSP WIND SPD.26  26  25  24  23  22  20  15  10  6   5   5

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT).
MIN TEMPERATURE.....AROUND 38.
MAX HUMIDITY........82 PERCENT.
WIND (20FT/2MIN)....WEST WINDS 5 TO 10 MPH EARLY IN THE
                    EVENING...BECOMING LIGHT.
MIXING HEIGHT.......1400-2600 FT AGL...DECREASING TO 300 FT AGL
                    EARLY IN THE EVENING.
TRANSPORT WINDS.....WEST 6 TO 15 MPH...BECOMING SOUTH AROUND 5 MPH
                    IN THE LATE EVENING AND OVERNIGHT.
VENTILATION RATE....VERY POOR TO POOR (900-34800 FT-MPH).

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).
MAX TEMPERATURE.....AROUND 71.
MIN HUMIDITY........33 PERCENT.
WIND (20FT/2MIN)....LIGHT WINDS...BECOMING SOUTH 5 TO 13 MPH IN THE
                    LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......300-2100 FT AGL...INCREASING TO 4900 FT AGL.
TRANSPORT WINDS.....SOUTH 5 TO 12 MPH...INCREASING TO 17 TO 25 MPH
                    LATE IN THE MORNING...THEN INCREASING TO 21 TO
                    28 MPH IN THE AFTERNOON...DECREASING TO AROUND
                    17 MPH LATE.
VENTILATION RATE....VERY POOR TO FAIR (900-50000 FT-MPH)...
                    INCREASING TO GOOD (70300-77500 FT-MPH) EARLY IN
                    THE AFTERNOON.



FORECASTER...HURLEY
REQUESTED BY...CHRIS ROBERTSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20100324.GRIFF.01/AKQ