FNUS71 KAKQ 121052
FWSAKQ

SPOT FORECAST FOR GREAT MARSH...US FWS
NATIONAL WEATHER SERVICE WAKEFIELD VA
652 AM EDT THU MAR 12 2009

FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON MARCH 12.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

...WINDS DECREASE TODAY BUT RELATIVE HUMIDITIES FALL...

COOLER TEMPERATURES EXPECTED TODAY BEHIND THE FRONT ALONG WITH MARKEDLY
DRIER CONDITIONS. THE FRONT WILL REMAIN SOUTH OF THE AREA THROUGH THE
WEEKEND...TRANSLATING INTO CONTINUED RAIN CHANCES ESPECIALLY OVER
SOUTHERN LOCATIONS.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT).
MAX TEMPERATURE.....AROUND 50.
MIN HUMIDITY........40 PERCENT.
WIND (20FT/2MIN)....NORTH WINDS 12 TO 21 MPH. GUSTS UP TO 35 MPH
                    UNTIL EARLY AFTERNOON.
MIXING HEIGHT.......2500-3200 FT AGL.
TRANSPORT WINDS.....NORTH 22 TO 31 MPH...DECREASING TO 15 TO 21 MPH
                    IN THE AFTERNOON.
VENTILATION RATE....POOR TO GOOD (33700-82700 FT-MPH).

TIME (EDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM
SKY (%).........58  58  59  59  59  64  68  73  78  83  87  87
WEATHER COV.....                                        SCH SCH
WEATHER TYPE....                                        RN  RN
TEMP............48  47  47  47  47  47  46  47  44  42  41  40
RH..............53  47  45  44  42  42  43  43  48  53  58  62
20 FT WIND DIR..N   N   N   N   N   N   N   N   N   NE  NE  NE
20 FT WIND SPD..19  19  18  16  14  14  12  11  10  10  9   9
20 FT WIND GUST.35  35  30  30  30  20  20  20  20  20  15  15
MIX HGT (KFT)...3.2 3.1 3.1 3.0 2.9 2.8 2.7 2.5 2.2 1.9 1.5 1.4
MIXNG WIND DIR..N   N   N   N   N   N   N   N   NE  NE  NE  NE
MIXNG WIND SPD..26  24  22  21  18  17  16  15  14  12  12  12

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). A SLIGHT CHANCE
                    OF RAIN EARLY IN THE EVENING.
MIN TEMPERATURE.....AROUND 37.
MAX HUMIDITY........73 PERCENT.
WIND (20FT/2MIN)....NORTHEAST WINDS 9 TO 11 MPH.
MIXING HEIGHT.......1200-2200 FT AGL.
TRANSPORT WINDS.....NORTHEAST 12 TO 21 MPH.
VENTILATION RATE....VERY POOR TO POOR (14300-37400 FT-MPH).

.FRIDAY...

SKY/WEATHER.........CLOUDY (90-100 PERCENT). A CHANCE OF RAIN EARLY
                    IN THE MORNING...THEN RAIN LIKELY EARLY IN THE
                    MORNING. A CHANCE OF RAIN EARLY IN THE
                    AFTERNOON.
MAX TEMPERATURE.....AROUND 43.
MIN HUMIDITY........72 PERCENT.
WIND (20FT/2MIN)....NORTHEAST WINDS 12 TO 17 MPH WITH GUSTS UP TO
                    25 MPH.
MIXING HEIGHT.......1000-2400 FT AGL.
TRANSPORT WINDS.....NORTHEAST 16 TO 22 MPH.
VENTILATION RATE....VERY POOR TO FAIR (13500-45000 FT-MPH).



FORECASTER...MONTEFUSCO
REQUESTED BY...JON BECK
TYPE OF REQUEST...PRESCRIBED
.TAG 20090312.GREAT.01/AKQ