653  
FNUS72 KCAE 241027  
FWSCAE  
 
SPOT FORECAST FOR SRS CPT 23 WIREGRASS...USFS - SAVANNAH RIVER  
NATIONAL WEATHER SERVICE COLUMBIA SC  
627 AM EDT FRI JUL 24 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 EDT ON JULY 24.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
A SLOW MOVING FRONT ACROSS THE REGION WILL BRING SOME ON AND OFF  
SHOWERS THIS MORNING, AND THUNDERSTORMS LATER THIS AFTERNOON AND  
OVERNIGHT INTO SATURDAY. WINDS WILL LIKELY BE VARIABLE, FROM  
SOUTHWESTERLY TO NORTHWESTERLY THROUGHOUT MOST OF THE DAY SINCE THE  
BURN SITE IS VERY NEAR THE STATIONARY FRONT. HEAVY RAIN POSSIBLE  
LATE TONIGHT INTO SATURDAY MORNING, SO SOME LOW STRATUS AND FOG  
WILL ACCOMPANY THAT.  
   
REST OF TODAY  
 
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING,  
THEN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON.  
CHANCE OF PCPN......60 PERCENT.  
MAX TEMPERATURE.....AROUND 89.  
MIN HUMIDITY........70 PERCENT.  
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS EARLY IN THE MORNING. GUSTY  
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS  
IN THE AFTERNOON.  
MIXING HEIGHT.......2900 FT AGL.  
TRANSPORT WINDS.....WEST 5 TO 7 MPH.  
LVORI...............5.  
ADI.................4 TO 26.  
 
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........44 46 47 54 57 64 66 73 71 85  
WEATHER COV.....SCH SCH SCH SCH CHC CHC CHC CHC LKY LKY  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW  
TSTM COV........SCH SCH SCH SCH CHC CHC CHC CHC CHC CHC  
CHC OF PCPN (%).20 20 20 20 30 40 50 50 60 60  
TEMP............76 79 84 86 86 88 89 89 89 85  
RH..............94 88 80 75 77 72 70 70 70 77  
APARNT TMP (F)..76 79 94 97 98 102 103 103 103 96  
20 FT WIND DIR..N SW W W W W W W NW NW  
20 FT WIND DIR..000 240 250 260 270 290 280 280 320 310  
20 FT WIND SPD..0 1 1 2 2 3 3 3 3 3  
20 FT WIND GUST.5 5 5 5 5 6 7 7 7 7  
MIX HGT (KFT)...0.7 1.2 1.8 2.6 2.8 2.9 2.4 1.7 1.8 1.7  
TRANSP WIND DIR.SW W W W W W W W W W  
TRANSP WIND DIR.240 250 250 270 270 270 280 270 270 290  
TRANSP WIND SPD.5 5 6 7 7 7 7 7 7 6  
LVORI...........6 5 4 3 3 3 3 3 3 3  
ADI.............4 7 13 23 25 26 21 16 16 12  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SHOWERS LIKELY  
AND CHANCE OF THUNDERSTORMS IN THE EVENING,  
THEN CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS OVERNIGHT.  
CHANCE OF PCPN......60 PERCENT.  
MIN TEMPERATURE.....AROUND 74.  
MAX HUMIDITY........97 PERCENT.  
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS IN THE EVENING. GUSTY AND  
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS LATE  
IN THE EVENING.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 6 MPH SHIFTING TO THE SOUTHWEST 5  
TO 6 MPH EARLY IN THE EVENING, THEN SHIFTING TO  
THE SOUTHEAST IN THE LATE EVENING AND OVERNIGHT  
SHIFTING TO THE SOUTH AROUND 3 MPH AFTER 3 AM  
SHIFTING TO THE NORTHWEST AROUND 5 MPH SHIFTING  
TO THE SOUTHWEST EARLY IN THE MORNING.  
LVORI...............7.  
ADI.................2 TO 10.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........82 83 86 83 87 91 73 83 68 76 56 83  
WEATHER COV.....LKY LKY CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........CHC CHC CHC CHC CHC SCH SCH SCH SCH SCH SCH SCH  
CHC OF PCPN (%).60 60 50 50 50 50 40 40 30 30 30 30  
TEMP............85 83 82 82 80 79 78 78 77 78 76 77  
RH..............80 85 85 85 91 91 94 94 94 91 94 90  
APARNT TMP (F)..97 93 90 90 87 79 78 78 77 78 76 77  
20 FT WIND DIR..W W SE NW N N N N N N N N  
20 FT WIND DIR..290 280 120 330 000 000 000 000 000 000 000 000  
20 FT WIND SPD..3 2 1 1 0 0 0 0 0 0 0 0  
20 FT WIND GUST.7 6 5 5 5 3 3 2 2 2 3 3  
MIX HGT (KFT)...1.3 0.7 0.5 0.4 0.5 0.5 0.4 0.5 0.5 0.5 0.6 0.6  
TRANSP WIND DIR.W SW S W SE S S SE SE S NW SW  
TRANSP WIND DIR.290 230 180 250 120 160 160 140 150 180 320 210  
TRANSP WIND SPD.6 5 5 6 6 6 5 5 5 3 5 5  
LVORI...........4 5 5 6 8 8 8 10 8 8 10 10  
ADI.............10 2 2 3 3 3 2 2 2 2 2 2  
   
SATURDAY  
 
SKY/WEATHER.........PARTLY SUNNY (65-75 PERCENT). CHANCE OF SHOWERS  
AND THUNDERSTORMS THROUGH THE DAY.  
CHANCE OF PCPN......50 PERCENT.  
MAX TEMPERATURE.....AROUND 90.  
MIN HUMIDITY........68 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST 5 TO 6 MPH LATE  
IN THE MORNING. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS IN THE MORNING.  
GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS LATE IN THE MORNING, THEN GUSTY  
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS  
LATE IN THE AFTERNOON.  
MIXING HEIGHT.......4000 FT AGL.  
TRANSPORT WINDS.....WEST 5 TO 8 MPH SHIFTING TO THE NORTHWEST 8 TO  
9 MPH LATE IN THE AFTERNOON.  
LVORI...............6.  
ADI.................2 EARLY IN THE MORNING INCREASING TO 47 IN THE  
AFTERNOON.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........64 71 63 71 83 84 77 70 64 69 63 51  
WEATHER COV.....CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........SCH SCH SCH SCH SCH CHC CHC CHC CHC CHC CHC  
CHC OF PCPN (%).30 30 30 30 30 40 40 40 50 50 10 30  
TEMP............75 74 76 78 81 83 85 87 88 88 89 88  
RH..............97 97 97 97 91 88 82 77 72 72 68 70  
APARNT TMP (F)..75 74 76 78 89 94 98 101 102 102 102 100  
20 FT WIND DIR..N N W W W W NW W NW NW NW NW  
20 FT WIND DIR..000 000 270 260 290 290 300 290 310 320 320 320  
20 FT WIND SPD..0 0 1 1 3 5 5 6 6 6 6 6  
20 FT WIND GUST.5 5 5 5 6 8 9 11 11 11 11 9  
MIX HGT (KFT)...0.8 0.8 1.0 1.2 1.8 2.5 3.0 3.4 3.2 3.2 4.0 4.0  
TRANSP WIND DIR.SW SW W W W W W W NW NW NW NW  
TRANSP WIND DIR.240 240 250 260 270 280 270 290 300 300 330 310  
TRANSP WIND SPD.5 6 6 6 7 7 8 8 8 8 9 8  
LVORI...........10 9 8 8 4 4 3 3 3 3 1 3  
ADI.............2 6 7 9 17 22 31 35 33 33 47 41  
 
 
FORECASTER...GROPP  
REQUESTED BY...KEVIN POPE  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2618109.0/CAE  
.DELDT 07/24/26  
.FORMATTERVERSION 2.0.0  
.EMAIL KEVIN.POPE@USDA.GOV  
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