FNUS71 KLWX 101633
FWSLWX

SPOT FORECAST FOR SHIP WRECK FIRE...VDOF
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1233 PM EDT TUE APR 10 2012

FORECAST IS BASED ON REQUEST TIME OF 1210 EDT ON APRIL 10.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.DISCUSSION...

A RED FLAG WARNING REMAINS IN EFFECT FOR THE ENTIRE AREA FROM NOON
UNTIL 8 PM. GUSTY NORTHWEST WINDS WILL CONTINUE THIS AFTERNOON BEFORE
DIMINISHING AROUND SUNSET. A DOWNSLOPING FLOW WILL LIKELY CAUSE DEWPOINTS
TO DROP REMAIN IN THE UPPER TEENS TO LOW 20S. THE RELATIVE HUMIDITY DROP
TO WELL BELOW 30 PERCENT ACROSS MOST AREAS...AND EVEN BELOW 20 PERCENT ACROSS
PORTIONS OF CENTRAL VIRGINIA/LOWER SOUTHERN MARYLAND. A FEW SHOWERS MONDAY
EVENING DID HELP WITH FUEL MOISTURE A LITTLE...ESPECIALLY ACROSS THE ALLEGHENY
HIGHLANDS INTO THE NORTHERN SHENANDOAH VALLEY. HOWEVER...ANY HELP THE SHOWERS
BROUGHT WILL BE QUICKLY ERASED TODAY DUE TO THE GUSTY WINDS AND DRY
CONDITIONS.

AN UPPER-LEVEL TROUGH WILL PASS THROUGH THE AREA LATE TONIGHT
THROUGH WEDNESDAY. COOLER CONDITIONS WILL KEEP THE RELATIVE HUMIDITY
HIGHER COMPARED TO RECENT DAYS. THERE MAY EVEN BE A FEW SHOWERS
ESPECIALLY ACROSS THE ALLEGHENY AND POTOMAC HIGHLANDS. MORE GUSTY
WINDS ARE EXPECTED WEDNESDAY AFTERNOON.

BREEZY AND DRY CONDITIONS ARE EXPECTED THURSDAY BEFORE HIGH PRESSURE
BUILDS OVERHEAD FRIDAY...CAUSING WINDS TO DIMINISH. HIGH PRESSURE
WILL MOVE OFF THE COAST CAUSING WARM AND BREEZY CONDITIONS DURING
THE WEEKEND.

.REST OF TODAY...

SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).
MAX TEMPERATURE.....AROUND 62.
MIN HUMIDITY........20 PERCENT.
WIND (20 FT)........WEST WINDS AROUND 17 MPH WITH GUSTS UP TO 35
                    MPH.
CWR.................10 PERCENT.
MIXING HEIGHT.......8600-9000 FT AGL.
TRANSPORT WINDS.....WEST 32 TO 36 MPH.
SURFACE WINDS.......WEST WINDS AROUND 17 MPH.
EYE LEVEL WINDS.....WEST WINDS AROUND 17 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT).
MIN TEMPERATURE.....AROUND 33.
MAX HUMIDITY........82 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO
                    30 MPH...BECOMING WEST AROUND 5 MPH AFTER
                    MIDNIGHT.
CWR.................10 PERCENT.
MIXING HEIGHT.......6600-7800 FT AGL...DECREASING TO 0-1800 FT AGL.
TRANSPORT WINDS.....NORTHWEST 25 TO 31 MPH...DECREASING TO 7 TO 10
                    MPH.
SURFACE WINDS.......NORTHWEST WINDS 10 TO 15 MPH...BECOMING WEST
                    AROUND 5 MPH AFTER MIDNIGHT.
EYE LEVEL WINDS.....NORTHWEST WINDS 10 TO 15 MPH...BECOMING WEST
                    AROUND 5 MPH AFTER MIDNIGHT.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT).
MAX TEMPERATURE.....AROUND 53.
MIN HUMIDITY........29 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 9 TO 14 MPH. GUSTS UP TO 25 MPH
                    LATE IN THE MORNING.
CWR.................0 PERCENT...INCREASING TO 20 PERCENT IN THE
                    MORNING.
MIXING HEIGHT.......1100-2300 FT AGL...INCREASING TO 6500-8300 FT
                    AGL.
TRANSPORT WINDS.....NORTHWEST 13 TO 20 MPH...INCREASING TO 22 TO 28
                    MPH EARLY IN THE MORNING.
SURFACE WINDS.......NORTHWEST WINDS 9 TO 14 MPH.
EYE LEVEL WINDS.....NORTHWEST WINDS 9 TO 14 MPH.

$$
FORECASTER...STRUCKMANN
REQUESTED BY...TRACY MCDONALD
TYPE OF REQUEST...WILDFIRE
.TAG 20120410.SHIPW.01/LWX