FNUS72 KCHS 221411
FWSCHS

SPOT FORECAST FOR BONNIE DOONE...THE NATURE CONSERVANCY
NATIONAL WEATHER SERVICE CHARLESTON SC
911 AM EST TUE FEB 22 2011

FORECAST IS BASED ON IGNITION TIME OF 1130 EST ON FEBRUARY 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A COLD FRONT WILL APPROACH FROM THE NORTHWEST TODAY...THEN DROP SOUTH
THROUGH THE REGION TONIGHT. THERE IS SOME UNCERTAINTY IN HOW LOW DEWPOINT
AND THUS RELATIVE HUMIDITIES GET THIS AFTERNOON BUT THE LATEST MODELS
INDICATE THEY WILL REMAIN HIGHER THAN WHAT THE EARY MORNING PLANNING FORECAST
INDICATED. HIGH PRESSURE WILL REBUILD FROM THE NORTH BEHIND THE FRONT THROUGH
WEDNESDAY.

FOG POTENTIAL FOR TONIGHT...LOW.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
MAX TEMPERATURE.....AROUND 78.
MIN HUMIDITY........45 PERCENT.
20 FT WINDS.........WEST WINDS 7 TO 12 MPH. GUSTS UP TO 25 MPH.
MIXING HEIGHT.......6300 FT AGL.
TRANSPORT WINDS.....WEST 21 TO 23 MPH.

TIME (EST)          11 AM  1 PM   3 PM   5 PM
SKY COVER...........PCLDY  PCLDY  PCLDY  PCLDY
WEATHER COV.........
WEATHER TYPE........NONE   NONE   NONE   NONE
TEMP................70     73     78     73
RH..................68     62     45     50
20 FT WIND..........W 9    W 10   W 10   W 7
20 FT WIND GUST.....20     22     22     15

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
MIN TEMPERATURE.....AROUND 45.
MAX HUMIDITY........93 PERCENT.
20 FT WINDS.........WEST WINDS AROUND 6 MPH EARLY IN THE
                    EVENING...BECOMING LIGHT AND VARIABLE...THEN
                    BECOMING NORTHEAST 5 TO 7 MPH LATE IN THE
                    EVENING.
INVERSION/DISPERSION...6PM-10AM/POOR.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).
MAX TEMPERATURE.....AROUND 61.
MIN HUMIDITY........39 PERCENT.
20 FT WINDS.........EAST WINDS 5 TO 9 MPH.
MIXING HEIGHT.......3400 FT AGL.
TRANSPORT WINDS.....EAST 7 TO 14 MPH.

$$
FORECASTER...BRIGHT
REQUESTED BY...TOM DOOLEY
TYPE OF REQUEST...PRESCRIBED
.TAG 20110222.BONNI.01/CHS