345  
FNUS72 KCHS 110920  
FWSCHS  
 
SPOT FORECAST FOR FMF C115A...USDA FOREST SERVICE  
NATIONAL WEATHER SERVICE CHARLESTON SC  
520 AM EDT THU JUN 11 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON JUNE 11.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
HIGH PRESSURE WILL PREVAIL TODAY AND FRIDAY, BEFORE A COLD FRONT  
APPROACHES THE AREA LATER THIS WEEKEND. FOR TODAY, THE RISK FOR A  
SHOWER OR THUNDERSTORM IS QUITE LOW AND LIKELY TO STAY INLAND TO  
THE BURN SITE THIS AFTERNOON. A SEA BREEZE SHOULD ARRIVE BY AROUND 1 PM,  
TURNING LIGHT SOUTHWESTERLY WINDS TO SOUTH AND INCREASING WIND SPEEDS  
TO AROUND 15 MPH. CHANCES FOR SHOWERS AND THUNDERSTORMS INCREASE ON  
FRIDAY, MAINLY DURING AFTERNOON HOURS. A SEA BREEZE SHOULD ARRIVE  
BETWEEN 1-3 PM, TURNING SOUTHWESTERLY WINDS TO SOUTH WITH SPEEDS AROUND  
15 MPH. FOG POTENTIAL APPEARS LOW DURING THE NEXT 48 HOURS.  
   
REST OF TODAY  
 
SKY/WEATHER.........SUNNY.  
CHANCE OF PCPN......10 PERCENT.  
MAX TEMPERATURE.....AROUND 94.  
MIN HUMIDITY........56 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 8 MPH IN THE  
AFTERNOON.  
MIXING HEIGHT.......MAX 5000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 8 TO 12 MPH.  
MAX ADI.............54.  
INVERSION END.......0900  
 
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........2 1 5 8 16 18 21 19 15  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 10 10 10 10  
TEMP............81 85 88 90 91 92 92 91 92  
RH..............79 70 63 58 56 56 56 58 56  
20 FT WIND DIR..SW SW SW SW SW S S S S  
20 FT WIND SPD..4 4 4 4 5 6 7 8 8  
20 FT WIND GUST.11 11 9 11 11 13 13 14 14  
MIX HGT (KFT)...2.1 2.7 3.4 4.4 5.0 4.9 4.4 3.5 3.0  
TRANSP WIND DIR.SW SW SW SW SW SW SW SW SW  
TRANSP WIND SPD.10 10 10 8 8 8 12 12 12  
LVORI...........3 3 1 1 1 1 1 1 1  
ADI.............27 31 34 42 47 52 54 54 51  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR.  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 76.  
MAX HUMIDITY........88 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 5 TO 8 MPH IN THE EVENING AND  
OVERNIGHT BECOMING LIGHT.  
MAX LVORI...........5.  
MIN ADI.............1.  
INVERSION BEGIN.....2000  
 
TIME (EDT) 6 PM 10 PM 2 AM  
SKY (%).........13 6 11  
WEATHER TYPE....NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0  
TEMP............89 81 79  
RH..............59 77 79  
20 FT WIND......S 8G14 SW 6G13 SW 4G13  
MIX HGT (FT)....2600 500 500  
TRANSPORT WIND..S 12 SW 6 SW 6  
LVORI...........3 4 4  
ADI.............1 3 3  
   
FRIDAY  
 
SKY/WEATHER.........MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS LATE IN THE AFTERNOON.  
CHANCE OF PCPN......20 PERCENT.  
MAX TEMPERATURE.....AROUND 98.  
MIN HUMIDITY........49 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 7 MPH LATE  
IN THE AFTERNOON. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS LATE IN THE  
AFTERNOON.  
MIXING HEIGHT.......MAX 4700 FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS BECOMING SOUTHWEST 10 TO 12 MPH IN  
THE LATE MORNING AND AFTERNOON.  
MAX ADI.............55.  
INVERSION END.......0900  
 
TIME (EDT) 6 AM 10 AM 2 PM  
SKY (%).........24 31 49  
WEATHER TYPE....NONE NONE RNSHWR  
TSTM COV........ S CHC  
CHC OF PCPN (%).0 0 20  
TEMP............76 88 96  
RH..............87 68 49  
20 FT WIND......SW 3G11 SW 3G9 SW 5G11  
MIX HGT (FT)....500 2000 4500  
TRANSPORT WIND..SW 4 W 10 W 10  
LVORI...........6 3 1  
ADI.............3 27 49  
 
 
FORECASTER...BERRY  
REQUESTED BY...KELLY WETZEL  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2615305.0/CHS  
.DELDT 06/11/26  
.FORMATTERVERSION 2.0.0  
.EMAIL KELLY.WETZELWILSON@USDA.GOV  
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