FNUS72 KCHS 141408
FWSCHS

SPOT FORECAST FOR TIBWIN II UNIT 1...THE NATURE CONSERVANCY
NATIONAL WEATHER SERVICE CHARLESTON SC
908 AM EST MON FEB 14 2011

FORECAST IS BASED ON IGNITION TIME OF 1200 EST ON FEBRUARY 14.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...CRITICAL WINDS AND CRITICAL RELATIVE HUMIDITY THIS AFTERNOON...

.DISCUSSION...
THE 6 AM CHARLESTON UPPER AIR SOUNDING POINTS TOWARD A DAY FEATURING
FULL SUNSHINE...GUSTY WEST TO SOUTHWEST WINDS...HIGH TEMPERATURES IN THE
LOWER 70S AND LOWERING DEWPOINTS CREATING CRITICAL RELATIVE HUMIDITY.
MINOR CHANGES IN WIND DIRECTION WILL SIGNIFICANTLY IMPACT TEMPERATURES
AND RELATIVE HUMIDITY AT THE BURN SITE DUE TO PROXIMITY TO THE COAST.
IF WINDS REMAIN PRIMARILY WEST/OFFSHORE...CRITICAL RELATIVE HUMIDITY
WILL PERSIST TO THE IMMEDIATE COAST THROUGH THE AFTERNOON. IF WINDS
BACK EVEN SLIGHTLY TOWARD THE SOUTHWEST...BECOMING PARALLEL TO THE
COAST OR EVEN SLIGHTLY ONSHORE...LOWER TEMPERATURES AND HIGHER RELATIVE
HUMIDITY...PERHAPS IN THE 40-50 PERCENT RANGE...COULD MIGRATE A COUPLE
OF MILES INLAND ESPECIALLY AFTER 2-3 PM.

FOG POTENTIAL FOR TONIGHT...NONE.

.TODAY...

SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 71.
MIN HUMIDITY........22 PERCENT.
20 FT WINDS.........SOUTHWEST WINDS 17 TO 22 MPH. GUSTS UP TO 30
                    MPH.
MIXING HEIGHT.......200-1300 FT AGL AT NOON...INCREASING TO 3400-3600 FT
                    AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 20 TO 25 MPH.


TIME (EST)          NOON   2 PM   4 PM
SKY COVER...........MCLEAR MCLEAR MCLEAR
WEATHER COV.........
WEATHER TYPE........NONE   NONE   NONE
TEMP................63     69     66
RH..................31     23     25
20 FT WIND..........SW 17  SW 21  SW 20
20 FT WIND GUST.....25     30     30

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT).
MIN TEMPERATURE.....AROUND 42.
MAX HUMIDITY........71 PERCENT.
20 FT WINDS.........NORTH WINDS 9 TO 14 MPH.
MIXING HEIGHT.......1700-3400 FT AGL...DECREASING TO 900-1300 FT
                    AGL IN THE LATE EVENING AND OVERNIGHT.
TRANSPORT WINDS.....WEST 17 TO 26 MPH...DECREASING TO AROUND 14 MPH
                    LATE IN THE EVENING...THEN BECOMING NORTH 10 TO
                    13 MPH AFTER MIDNIGHT.

.TUESDAY...

SKY/WEATHER.........SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 60.
MIN HUMIDITY........28 PERCENT.
20 FT WINDS.........EAST WINDS 7 TO 12 MPH.
MIXING HEIGHT.......900-2300 FT AGL...INCREASING TO 2300-3000 FT
                    AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTH 13 TO 16 MPH...BECOMING NORTHEAST AROUND
                    10 MPH LATE.

$$
FORECASTER...ROWLEY
REQUESTED BY...TOM DOOLEY
TYPE OF REQUEST...PRESCRIBED
.TAG 20110214.TIBWI.01/CHS