FNUS71 KAKQ 121221
FWSAKQ

SPOT FORECAST FOR MARUMSCO...MD. FOREST SERVICE
NATIONAL WEATHER SERVICE WAKEFIELD VA
821 AM EDT THU MAY 12 2011

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

.DISCUSSION...
HIGH PRESSURE REMAINS OVER THE REGION TODAY...PROVIDING DRY AND
SEASONABLE CONDITIONS ACROSS THE AREA. A SLOW MOVING LOW PRESSURE
SYSTEM WILL AFFECT THE REGION FRIDAY THROUGH THE FIRST PART OF
NEXT WEEK PROVIDING A PROLONGED PERIOD OF WET WEATHER.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........46 PERCENT.
WIND (20FT/2MIN)....LIGHT WINDS.
MIXING HEIGHT.......300-2100 FT AGL...INCREASING TO 3000-4100 FT
                    AGL LATE IN THE MORNING.
TRANSPORT WINDS.....NORTHEAST 2 TO 3 MPH...BECOMING WEST 3 TO 6 MPH
                    IN THE AFTERNOON.
VENTILATION RATE....VERY POOR (600-15200 FT-MPH).

TIME (EDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM
SKY (%).........30  33  35  38  40  30  31  32  33  34  35  37
WEATHER COV.....
WEATHER TYPE....
TEMP............64  67  67  69  69  69  69  69  67  65  62  59
RH..............54  50  52  49  51  51  53  53  56  60  70  78
20 FT WIND DIR..E   E   SE  S   S   S   S   S   S   S   S   S
20 FT WIND SPD..1   2   2   2   2   3   3   3   3   4   4   4
20 FT WIND GUST.    5   5   5   5   5   5   5   5   10  10  10
MIX HGT (KFT)...2.1 3.0 3.4 3.7 4.1 3.9 3.6 3.3 2.3 1.3 0.3 0.3
TRANSP WIND DIR.E   NE  N   NW  W   W   W   W   W   S   S   S
TRANSP WIND SPD.2   2   2   3   5   5   5   6   6   7   8   7

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT).
MIN TEMPERATURE.....AROUND 54.
MAX HUMIDITY........93 PERCENT.
WIND (20FT/2MIN)....LIGHT WINDS...BECOMING SOUTHEAST AROUND 5 MPH
                    IN THE EVENING...THEN BECOMING LIGHT AFTER
                    MIDNIGHT.
MIXING HEIGHT.......1300-2300 FT AGL...DECREASING TO 300 FT AGL
                    EARLY IN THE EVENING.
TRANSPORT WINDS.....SOUTHEAST 6 TO 8 MPH.
VENTILATION RATE....VERY POOR (1200-12300 FT-MPH).

.FRIDAY...

SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT).
MAX TEMPERATURE.....AROUND 71.
MIN HUMIDITY........54 PERCENT.
WIND (20FT/2MIN)....LIGHT WINDS...BECOMING SOUTHEAST 5 TO 9 MPH IN
                    THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......300-1800 FT AGL...INCREASING TO 2600-3500 FT
                    AGL LATE IN THE MORNING.
TRANSPORT WINDS.....SOUTHEAST 7 TO 12 MPH.
VENTILATION RATE....VERY POOR (1600-27900 FT-MPH).



FORECASTER...HURLEY
REQUESTED BY...D KRONNER
TYPE OF REQUEST...PRESCRIBED
.TAG 20110512.MARUM.01/AKQ