FNUS71 KAKQ 251137
FWSAKQ

SPOT FORECAST FOR MALVERN HILL RX...USDI-NATIONAL PARKS SERVICE (NPS)
NATIONAL WEATHER SERVICE WAKEFIELD VA
737 AM EDT WED MAR 25 2009

FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON MARCH 25.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE CONTINUES TO MOVE FURTHER OFF THE COAST TODAY AS A
WARM FRONT MOVES INTO THE REGION FROM THE CAROLINAS LATE IN THE DAY.
AN ASSOCIATED LOW PRESSURE SYSTEM MOVES INTO THE MID ATLANTIC
REGION ON THURSDAY BEFORE A TRAILING COLD FRONT PUSHES THROUGH THE
AREA EARLY FRIDAY MORNING. ANOTHER SYSTEM MOVES INTO THE REGION
THIS WEEKEND.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT).
MAX TEMPERATURE.....AROUND 48.
MIN HUMIDITY........37 PERCENT.
WIND (20FT/2MIN)....LIGHT AND VARIABLE WINDS...BECOMING SOUTH 7 TO
                    12 MPH WITH GUSTS UP TO 20 MPH IN THE LATE
                    MORNING AND AFTERNOON.
MIXING HEIGHT.......300-2200 FT AGL.
TRANSPORT WINDS.....SOUTH 3 TO 12 MPH.
VENTILATION RATE....VERY POOR (800-21300 FT-MPH).

TIME (EDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM
SKY (%).........50  50  55  61  66  72  77  79  81  83  85  87
WEATHER COV.....                                        CHC CHC
WEATHER TYPE....                                        RW  RW
TEMP............39  43  45  46  48  48  48  48  48  47  45  44
RH..............54  47  43  42  39  40  42  46  47  51  60  65
20 FT WIND DIR..SE  SE  S   S   S   S   S   S   S   SE  SE  SE
20 FT WIND SPD..7   9   11  9   6   5   8   7   5   5   6   5
20 FT WIND GUST.10  15  20  15  10  10  15  10  10  10  10  10
MIX HGT (KFT)...1.3 1.8 1.9 2.0 2.1 2.1 2.1 2.2 1.5 0.9 0.3 0.3
MIXNG WIND DIR..SE  S   S   S   S   S   S   S   S   S   S   S
MIXNG WIND SPD..9   10  12  12  12  12  12  10  12  13  14  14

.TONIGHT...

SKY/WEATHER.........CLOUDY (85-95 PERCENT). A CHANCE OF SHOWERS
                    EARLY IN THE EVENING.
MIN TEMPERATURE.....AROUND 40.
MAX HUMIDITY........96 PERCENT.
WIND (20FT/2MIN)....SOUTHEAST WINDS 5 TO 7 MPH.
MIXING HEIGHT.......300-1500 FT AGL.
TRANSPORT WINDS.....SOUTH 12 TO 14 MPH.
VENTILATION RATE....VERY POOR (2500-15200 FT-MPH).

.THURSDAY...

SKY/WEATHER.........CLOUDY (95-100 PERCENT). A CHANCE OF SHOWERS
                    EARLY IN THE MORNING...THEN RAIN LIKELY EARLY
                    IN THE MORNING.
MAX TEMPERATURE.....AROUND 58.
MIN HUMIDITY........76 PERCENT.
WIND (20FT/2MIN)....SOUTH WINDS 8 TO 13 MPH.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....SOUTH 10 TO 16 MPH...INCREASING TO 20 TO 23 MPH
                    IN THE AFTERNOON.
VENTILATION RATE....VERY POOR (2300-4900 FT-MPH).



FORECASTER...MCNATT
REQUESTED BY...KRISTEN ALLEN
TYPE OF REQUEST...PRESCRIBED
.TAG 20090325.MALVE.01/AKQ