FNUS71 KAKQ 191122
FWSAKQ

SPOT FORECAST FOR MALVERN HILL RX 2010 UPDATE...NATIONAL PARK SERVICE
NATIONAL WEATHER SERVICE WAKEFIELD VA
722 AM EDT FRI MAR 19 2010

FORECAST IS BASED ON IGNITION TIME OF 1030 EDT ON MARCH 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE REMAINS OVER THE REGION THROUGH SUNDAY. LOW PRESSURE
APPROACHES FROM THE SOUTHWEST SUNDAY NIGHT. THE TRAILING COLD FRONT
CROSSES THE AREA MONDAY AS THE LOW MOVES INTO SOUTHERN NEW ENGLAND.

.TODAY...

SKY/WEATHER.........SUNNY (0-5 PERCENT).
MAX TEMPERATURE.....AROUND 73.
MIN HUMIDITY........18 PERCENT.
WIND (20FT/2MIN)....LIGHT WINDS...BECOMING NORTH 5 TO 7 MPH UNTIL
                    LATE AFTERNOON...THEN BECOMING LIGHT LATE.
MIXING HEIGHT.......300-1400 FT AGL...INCREASING TO 6400-6900 FT
                    AGL.
TRANSPORT WINDS.....NORTHWEST 5 TO 13 MPH.
VENTILATION RATE....VERY POOR TO FAIR (1100-47000
                    FT-MPH)...INCREASING TO FAIR (45000-54900
                    FT-MPH) EARLY IN THE AFTERNOON.

TIME (EDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM
SKY (%).........0   0   0   0   0   0   0   0   0   0   0   0
WEATHER COV.....
WEATHER TYPE....
TEMP............61  66  70  72  73  73  73  73  70  66  61  57
RH..............38  29  24  21  19  19  19  22  26  31  37  41
20 FT WIND DIR..N   N   N   N   N   NW  NW  NW  W   W   SW  S
20 FT WIND SPD..6   6   5   5   5   4   3   3   3   3   2   3
20 FT WIND GUST.15  15  10  10  10  10  5   5   5   5   5   5
MIX HGT (KFT)...1.4 3.2 5.0 6.9 6.9 6.7 6.6 6.4 4.4 2.3 0.3 0.3
TRANSP WIND DIR.N   N   N   N   N   NW  NW  NW  W   W   W   SW
TRANSP WIND SPD.13  13  13  10  9   9   8   8   7   5   3   5

.TONIGHT...

SKY/WEATHER.........CLEAR (0-5 PERCENT).
MIN TEMPERATURE.....AROUND 42.
MAX HUMIDITY........76 PERCENT.
WIND (20FT/2MIN)....LIGHT WINDS.
MIXING HEIGHT.......4400 FT AGL...DECREASING TO 300 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 3 TO 7 MPH.
VENTILATION RATE....VERY POOR (800-25200 FT-MPH).

.SATURDAY...

SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 76.
MIN HUMIDITY........21 PERCENT.
WIND (20FT/2MIN)....LIGHT WINDS...BECOMING SOUTHWEST 5 TO 7 MPH IN
                    THE AFTERNOON.
MIXING HEIGHT.......300-1700 FT AGL...INCREASING TO 6300-6700 FT
                    AGL.
TRANSPORT WINDS.....SOUTHWEST 1 TO 10 MPH...INCREASING TO 10 TO 12
                    MPH LATE.
VENTILATION RATE....VERY POOR (700-31000 FT-MPH)...INCREASING TO
                    FAIR TO GOOD (57900-65400 FT-MPH) EARLY IN THE
                    AFTERNOON.



FORECASTER...ZIMMERMAN
REQUESTED BY...ANDREW TRIVIZAS
TYPE OF REQUEST...PRESCRIBED
.TAG 20100319.MALVE.02/AKQ