363  
FNUS72 KCAE 231141  
FWSCAE  
 
SPOT FORECAST FOR SRS COMP 80...USFS  
NATIONAL WEATHER SERVICE COLUMBIA SC  
741 AM EDT FRI MAY 23 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0806 EDT ON MAY 23.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
MOSTLY SUNNY TODAY WITH LESS WIND THAN THURSDAY. THE INVERSION BREAKS LATE THIS  
MORNING, GENERALLY BETWEEN 10 AND 11 AM, WITH LIGHT WINDS BECOMING WESTERLY  
AROUND 8-10 MPH. SOME BREEZINESS DEVELOPS THIS AFTERNOON, WITH GUSTS UP TO 20  
MPH POSSIBLE. WINDS THEN DECOUPLE THIS EVENING TO LESS THAN 5 MPH. DAYTIME  
RELATIVE HUMIDITY MINIMUMS SHOULD BE AROUND 36 PERCENT, PERHAPS SLIGHTLY HIGHER  
IN WELL SHELTERED AREAS NEAR ANY BODIES OF WATER. GOOD OVERNIGHT RECOVERIES.  
NOT FOG IS EXPECTED. MOSTLY SUNNY AGAIN SATURDAY WITH LIGHT NORTHERLY WINDS,  
SPEEDS GENERALLY LESS THAN 10 MPH.  
   
REST OF TODAY  
 
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 84.  
MIN HUMIDITY........36 PERCENT.  
WIND (20 FT)........LIGHT WINDS AROUND 5 MPH BECOMING WEST 5 TO 8 MPH  
WITH GUSTS TO AROUND 20 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......6200 FT AGL.  
TRANSPORT WINDS.....NORTH 7 TO 8 MPH SHIFTING TO THE WEST 7 TO 15  
MPH LATE IN THE MORNING, THEN INCREASING TO 17  
TO 20 MPH LATE IN THE AFTERNOON.  
LVORI...............2.  
ADI.................7 EARLY IN THE MORNING INCREASING TO 134 IN THE  
AFTERNOON.  
 
TIME (EDT) 4AM 5AM 6AM 7AM 8AM 9AM 10A 11A 12P 1PM  
SKY (%).........28 32 26 34 22 20 24 20 26 18  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0  
TEMP............66 69 73 75 78 79 81 83 84 84  
RH..............62 52 44 42 40 39 38 37 36 38  
APARNT TMP (F)..66 69 73 75 78 79 80 82 83 83  
20 FT WIND DIR..N N N NW NW W W W W W  
20 FT WIND DIR..000 010 000 330 300 280 270 270 270 260  
20 FT WIND SPD..2 5 5 3 5 6 7 8 8 8  
20 FT WIND GUST.6 8 10 10 12 15 17 18 18 20  
MIX HGT (KFT)...0.8 1.7 2.4 3.3 4.0 4.7 5.4 5.9 6.2 5.7  
TRANSP WIND DIR.N N N NW W W W W W W  
TRANSP WIND DIR.020 020 000 320 280 280 270 270 280 270  
TRANSP WIND SPD.7 8 7 7 8 12 15 17 20 20  
LVORI...........3 2 2 2 1 1 1 1 1 1  
ADI.............7 17 22 30 41 67 92 114 134 126  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 61.  
MAX HUMIDITY........70 PERCENT.  
WIND (20 FT)........WEST WINDS 6 TO 8 MPH EARLY IN THE EVENING  
BECOMING LIGHT.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....WEST 9 TO 18 MPH SHIFTING TO THE NORTHWEST 3 TO  
7 MPH LATE IN THE EVENING, THEN SHIFTING TO THE  
NORTHEAST AROUND 3 MPH OVERNIGHT.  
LVORI...............2.  
ADI.................107 EARLY IN THE EVENING DECREASING TO 2 LATE  
IN THE NIGHT.  
 
TIME (EDT) 2 PM 4 PM 6 PM 8 PM 10 PM MIDNGT  
SKY (%).........13 5 2 7 9 13  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0  
TEMP............83 78 71 68 65 63  
RH..............40 50 59 59 63 65  
APARNT TMP (F)..82 78 71 68 65 63  
20 FT WIND......W 8 W 2 N 0 N 0 N 0 N 0  
20 FT WIND GUST.17 9 6 3 3 3  
20 FT WIND DIR..270 280 000 000 000 000  
MIX HGT (FT)....5100 500 500 500 400 400  
TRANSP WIND DIR.270 280 320 340 000 050  
TRANSPORT WIND..W 18 W 9 NW 6 N 3 N 3 NE 3  
LVORI...........1 2 3 3 3 3  
ADI.............107 4 3 2 2 2  
   
SATURDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).  
CHANCE OF PCPN......10 PERCENT.  
MAX TEMPERATURE.....AROUND 85.  
MIN HUMIDITY........37 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......5000 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 6 TO 10 MPH SHIFTING TO THE WEST 8 TO  
10 MPH LATE IN THE AFTERNOON.  
LVORI...............2.  
ADI.................3 EARLY IN THE MORNING INCREASING TO 65 IN THE  
AFTERNOON.  
 
TIME (EDT) 2 AM 6 AM 10 AM  
SKY (%).........18 37 46  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 10  
TEMP............61 70 81  
RH..............67 55 41  
APARNT TMP (F)..61 70 81  
20 FT WIND......N 0G5 NE 2G9 N 2G8  
20 FT WIND DIR..000 050 020  
MIX HGT (FT)....500 1900 4400  
TRANSP WIND DIR.060 060 290  
TRANSPORT WIND..NE 6 NE 8 W 8  
LVORI...........3 2 1  
ADI.............3 19 45  
 
 
FORECASTER...CARPENTER  
REQUESTED BY...BRANDON HUGHES  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2514508.1/CAE  
.DELDT 05/23/25  
.FORMATTERVERSION 2.0.0  
.EMAIL BRANDON.HUGHES@USDA.GOV  
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