FNUS72 KCHS 201156
FWSCHS

SPOT FORECAST FOR C 139...USDA FOREST SERVICE
NATIONAL WEATHER SERVICE CHARLESTON SC
756 AM EDT WED APR 20 2011

FORECAST IS BASED ON IGNITION TIME OF 1100 EDT ON APRIL 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
ATLANTIC HIGH PRESSURE WILL PREVAIL TODAY...THEN WEAKENS TONIGHT. A COLD FRONT
WILL DROP SOUTHWARD INTO THE REGION ON THURSDAY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. SOUTHWESTERLY WINDS WILL PREVAIL FOR MUCH OF THE DAY BEFORE THE SEA
BREEZE BOUNDARY BACKS WINDS SLIGHTLY MORE SOUTHERLY AROUND 5 TO 8 PM THIS EVENING.

FOG POTENTIAL FOR TONIGHT...PATCHY FOG AFTER MIDNIGHT.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....AROUND 88.
MIN HUMIDITY........43 PERCENT.
20 FT WINDS.........SOUTHWEST WINDS 7 TO 12 MPH.
MIXING HEIGHT.......5000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 6 TO 14 MPH...BECOMING WEST 16 TO 19
                    MPH LATE IN THE MORNING.

TIME (EDT)          11 AM  1 PM   3 PM   5 PM
SKY COVER...........MCLEAR MCLEAR MCLEAR PCLDY
WEATHER COV.........
WEATHER TYPE........NONE   NONE   NONE   NONE
TEMP................80     84     86     85
RH..................62     49     43     48
20 FT WIND..........SW 7   SW 8   SW 8   S 10
20 FT WIND GUST.....13     15     19     16

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY...THEN BECOMING MOSTLY CLOUDY. A SLIGHT
                    CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
MIN TEMPERATURE.....AROUND 63.
MAX HUMIDITY........100 PERCENT.
20 FT WINDS.........SOUTHWEST WINDS 5 TO 10 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS AFTER
                    MIDNIGHT.
INVERSION/DISPERSION...8PM-10AM/POOR

.THURSDAY...

SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
MAX TEMPERATURE.....AROUND 80.
MIN HUMIDITY........56 PERCENT.
20 FT WINDS.........LIGHT AND VARIABLE...BECOMING NORTHEAST 5 TO 7 MPH
                    IN THE LATE MORNING AND AFTERNOON. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......3800 FT AGL.
TRANSPORT WINDS.....EAST 5 TO 12 MPH.

$$
FORECASTER...PACKETT
REQUESTED BY...JOSEPH BENTON
TYPE OF REQUEST...PRESCRIBED
.TAG 20110420.C139_.01/CHS