867  
FNUS72 KCHS 101057  
FWSCHS  
 
SPOT FORECAST FOR IMPOUNDMENT 8 RX...U.S. FISH AND WILDLIFE  
NATIONAL WEATHER SERVICE CHARLESTON SC  
557 AM EST TUE FEB 10 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 EST ON FEBRUARY 10.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
DRY HIGH PRESSURE WILL PREVAIL ACROSS THE REGION THROUGH EARLY  
WEDNESDAY, BEFORE A COLD FRONT PUSHES THROUGH THE AREA WEDNESDAY  
AFTERNOON WITH SHOWERS. RELATIVE HUMIDITY VALUES WILL REMAIN WELL  
ABOVE CRITICAL THRESHOLDS MID WEEK WITH TEMPERATURES THAT ARE  
CONSIDERABLY WARMER THAN THE LAST FEW DAYS.  
   
TODAY  
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 74.  
MIN HUMIDITY........43 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 8 MPH IN  
THE LATE MORNING AND AFTERNOON.  
MIXING HEIGHT.......MAX 3800 FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS BECOMING WEST 6 TO 14 MPH IN THE  
LATE MORNING AND AFTERNOON.  
MAX ADI.............58.  
INVERSION END.......1000.  
 
TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........26 33 32 34 28 18 28 20 31 35 30 29  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............39 40 44 50 57 63 68 72 72 73 74 72  
RH..............100 100 96 86 75 62 54 48 46 44 43 46  
20 FT WIND DIR..SW SW SW W W W W W SW SW SW SW  
20 FT WIND SPD..3 3 3 4 5 5 6 7 7 8 8 7  
20 FT WIND GUST.5 5 5 7 9 9 11 11 13 13 13 11  
MIX HGT (KFT)...0.4 0.4 0.4 0.6 0.8 1.6 2.4 3.1 3.4 3.7 3.8 2.2  
TRANSP WIND DIR.SW SW SW W W W W W W SW SW SW  
TRANSP WIND SPD.4 4 4 6 6 6 12 12 12 14 14 14  
LVORI...........9 9 8 5 4 2 1 1 1 1 1 1  
ADI.............4 4 4 5 6 19 34 49 58 49 50 32  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
CHANCE OF PCPN......10 PERCENT.  
MIN TEMPERATURE.....AROUND 55.  
MAX HUMIDITY........93 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 5 TO 9 MPH.  
MAX LVORI...........6.  
MIN ADI.............1.  
INVERSION BEGIN.....1730.  
 
TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........34 40 44 39 46 54 64 55 64 64 78 90  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 10 10  
TEMP............68 65 60 59 58 58 58 58 57 57 57 56  
RH..............52 58 69 69 72 69 69 67 72 75 77 86  
20 FT WIND DIR..SW SW SW SW SW SW SW SW SW W W W  
20 FT WIND SPD..6 5 5 5 5 5 6 6 7 8 8 9  
20 FT WIND GUST.9 9 9 11 11 11 11 11 13 13 14 14  
MIX HGT (KFT)...0.7 0.5 0.5 0.5 0.5 0.6 0.6 0.7 0.8 0.8 0.8 0.8  
TRANSP WIND DIR.SW SW SW SW SW SW SW SW SW W W W  
TRANSP WIND SPD.6 6 6 6 6 6 8 8 8 8 8 8  
LVORI...........2 3 3 3 3 3 3 3 3 4 4 6  
ADI.............3 3 4 3 4 4 5 5 7 7 8 1  
   
WEDNESDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS  
EARLY IN THE MORNING, THEN CHANCE OF RAIN  
SHOWERS.  
CHANCE OF PCPN......50 PERCENT.  
MAX TEMPERATURE.....AROUND 74.  
MIN HUMIDITY........59 PERCENT.  
WIND (20 FT)........WEST WINDS 9 TO 12 MPH WITH GUSTS TO AROUND 22  
MPH.  
MIXING HEIGHT.......MAX 4500 FT AGL.  
TRANSPORT WINDS.....WEST 12 TO 18 MPH INCREASING TO 22 TO 24 MPH IN  
THE AFTERNOON.  
MAX ADI.............70.  
INVERSION END.......0900.  
 
TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........94 97 92 90 88 86 83 81 80 78 77 74  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........  
CHC OF PCPN (%).20 30 30 30 30 30 30 50 50 50 50 50  
TEMP............57 57 57 60 63 66 69 72 73 73 72 71  
RH..............86 90 93 87 81 75 68 61 59 59 61 61  
20 FT WIND DIR..W W W W W W W W W W W W  
20 FT WIND SPD..9 9 9 10 11 11 12 12 12 12 11 9  
20 FT WIND GUST.14 14 16 16 18 18 20 22 20 18 18 14  
MIX HGT (KFT)...0.8 0.8 1.4 1.7 1.9 2.8 3.6 4.5 4.3 4.2 4.0 3.1  
TRANSP WIND DIR.W W W W W W W W W W W W  
TRANSP WIND SPD.12 12 12 18 18 18 24 24 24 22 22 22  
LVORI...........5 5 5 4 3 3 1 1 1 1 1 1  
ADI.............8 8 20 26 33 48 57 70 69 68 60 42  
 
 
 
FORECASTER...HOLLOWAY  
REQUESTED BY...ADAM MCCULLOUGH  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2602276.0/CHS  
.DELDT 02/10/26  
.FORMATTERVERSION 2.0.0  
.EMAIL ADAM_MCCULLOUGH@FWS.GOV  
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