267  
FNUS72 KCHS 201405  
FWSCHS  
 
SPOT FORECAST FOR SAR IMP 10 11...U.S. FISH AND WILDLIFE  
NATIONAL WEATHER SERVICE CHARLESTON SC  
905 AM EST FRI NOV 20 2009  
 
FORECAST IS BASED ON IGNITION TIME OF 1100 EST ON NOVEMBER 20.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
HIGH PRESSURE WILL BUILD NORTH OF THE REGION THROUGH TONIGHT.  
A GULF LOW PRESSURE SYSTEM WILL DEVELOP ON SATURDAY AND  
MOVE UP THE SOUTHEAST COAST SUNDAY INTO EARLY MONDAY. HIGH  
PRESSURE WILL BUILD IN FROM THE WEST NEXT WEEK.  
   
TODAY  
 
SKY/WEATHER.........SUNNY (15-25 PERCENT).  
MAX TEMPERATURE.....AROUND 73.  
MIN HUMIDITY........49 PERCENT.  
20 FT WINDS.........LIGHT AND VARIABLE WINDS...BECOMING NORTHEAST 5  
TO 8 MPH IN THE LATE MORNING AND AFTERNOON.  
MIXING HEIGHT.......3400 FT AGL.  
TRANSPORT WINDS.....NORTH 2 TO 6 MPH...BECOMING NORTHEAST 7 TO 13  
MPH IN THE LATE MORNING AND AFTERNOON.  
 
TIME (EST) 11 AM 1 PM 3 PM 5 PM  
SKY COVER...........MCLEAR MCLEAR MCLEAR MCLEAR  
WEATHER TYPE........NONE NONE NONE NONE  
TEMP................68 73 73 68  
RH..................59 51 49 59  
20 FT WIND..........N 6 NE 6 NE 6 NE 4  
20 FT WIND GUST.....15 15 15 10  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY...THEN BECOMING MOSTLY CLOUDY.  
MIN TEMPERATURE.....AROUND 51.  
MAX HUMIDITY........100 PERCENT.  
20 FT WINDS.........LIGHT AND VARIABLE WINDS...BECOMING NORTH  
AROUND 5 MPH LATE.  
INVERSION/DISPERSION...1700-1100/VERY POOR.  
   
SATURDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT).  
MAX TEMPERATURE.....AROUND 68.  
MIN HUMIDITY........61 PERCENT.  
20 FT WINDS.........NORTHEAST WINDS 5 TO 7 MPH.  
MIXING HEIGHT.......2400 FT AGL.  
TRANSPORT WINDS.....EAST 5 TO 14 MPH.  
 
 
FORECASTER...LAMB  
REQUESTED BY...JAN TRIPP  
TYPE OF REQUEST...PRESCRIBED  
.TAG 20091120.SARIM.01/CHS  
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