FNUS72 KCHS 221253
FWSCHS

SPOT FORECAST FOR IMPOUNDMENT 11...U.S. FISH AND WILDLIFE SERVICE
NATIONAL WEATHER SERVICE CHARLESTON SC
853 AM EDT THU APR 22 2010

FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON APRIL 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...NEAR CRITICAL HUMIDITY POSSIBLE TODAY...

.DISCUSSION...
HIGH PRESSURE WILL REMAIN THE DOMINANT WEATHER FEATURE THROUGH
FRIDAY. MODERATE OFFSHORE FLOW WILL HELP KEEP THE SEA BREEZE
CLOSE TO THE COAST THIS AFTERNOON.

FOG POTENTIAL FOR TONIGHT...NONE.

.TODAY...

SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....AROUND 81.
MIN HUMIDITY........28 PERCENT.
20 FT WINDS.........LIGHT AND VARIABLE WINDS...BECOMING WEST 5 TO
                    10 MPH WITH GUSTS TO 20 MPH IN THE AFTERNOON.
MIXING HEIGHT.......7700 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 TO 7 MPH...BECOMING WEST NORTHWEST 15
                    MPH IN THE AFTERNOON.

TIME (EDT)          10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER...........CLR MCR MCR MCR MCR MCR MCR MCR
WEATHER COV.........
WEATHER TYPE........
TEMP................67  74  77  79  81  82  81  80
                    MIN HUMIDITY........52  41  36  32  29  28  28  29
20 FT WIND DIR......NW  NW  NW  NW  W   W   WSW WSW
20 FT WIND SPD......2   3   4   4   5   6   7   8
20 FT WIND GUST.....5   5   5   5   15  15  20  20

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
MIN TEMPERATURE.....AROUND 56.
MAX HUMIDITY........93 PERCENT.
20 FT WINDS.........WEST WINDS 5 TO 7 MPH WITH GUSTS TO 15 MPH
                    EARLY IN THE EVENING...BECOMING LIGHT AND
                    VARIABLE.
INVERSION/DISPERSION...7PM-10AM/VERY POOR

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).
MAX TEMPERATURE.....AROUND 85.
MIN HUMIDITY........37 PERCENT.
20 FT WINDS.........LIGHT AND VARIABLE WINDS...BECOMING SOUTH 5 TO
                    8 MPH IN THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......6700 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 TO 12 MPH...INCREASING TO AROUND 15
                    MPH LATE.

$$
FORECASTER...BRIGHT
REQUESTED BY...JAN TRIPP
TYPE OF REQUEST...PRESCRIBED
.TAG 20100422.IMPOU.01/CHS