699  
FNUS72 KCAE 141047  
FWSCAE  
 
SPOT FORECAST FOR SRS CPT 77 RX...USFS-SAVANNAH RIVER  
NATIONAL WEATHER SERVICE COLUMBIA SC  
647 AM EDT SAT MAR 14 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 EDT ON MARCH 14.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
HIGH PRESSURE WILL BE IN CONTROL OF THE WEATHER TODAY WITH MAINLY  
SUNNY SKIES AND LIGHT AND VARIABLE WINDS EXPECTED AT THE FORECAST  
POINT. DUE TO ONGOING DRY CONDITIONS, RH VALUES ARE EXPECTED TO  
FALL BELOW 30 PERCENT ONCE AGAIN THIS AFTERNOON. THE MORNING  
INVERSION SHOULD BREAK AND LIFT BY MID-MORNING, RETURNING THIS  
EVENING. LOW CLOUDS AND FOG ARE UNLIKELY TONIGHT.  
   
REST OF TODAY  
 
SKY/WEATHER.........SUNNY (5-15 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 79.  
MIN HUMIDITY........26 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......5200 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 2 TO 5 MPH SHIFTING TO THE SOUTHEAST  
3 TO 7 MPH IN THE AFTERNOON.  
LVORI...............4.  
ADI.................3 TO 41.  
 
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........15 15 8 3 1 3 3 2 2 3  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0  
TEMP............49 52 57 64 69 72 76 77 78 79  
RH..............93 81 67 54 44 37 31 29 28 26  
APARNT TMP (F)..49 52 57 64 69 72 76 77 78 79  
20 FT WIND DIR..N N N N SW E E E SE SE  
20 FT WIND DIR..000 000 000 000 210 090 100 100 120 120  
20 FT WIND SPD..0 0 0 0 1 1 1 1 2 2  
20 FT WIND GUST.3 3 3 3 5 5 6 7 7 8  
MIX HGT (KFT)...0.4 0.6 0.9 1.5 2.7 3.6 4.5 4.9 5.1 5.2  
TRANSP WIND DIR.W W SW SW SW S SE SE SE SE  
TRANSP WIND DIR.270 260 240 230 230 180 150 140 140 140  
TRANSP WIND SPD.5 3 3 5 2 3 3 5 6 7  
LVORI...........6 6 4 3 2 2 2 2 1 1  
ADI.............4 3 4 9 8 16 20 28 34 41  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 53.  
MAX HUMIDITY........100 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 8 TO 15 MPH.  
LVORI...............5.  
ADI.................4 TO 43.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........1 2 2 2 1 0 2 5 5 22 22 47  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............77 74 70 65 62 59 58 56 54 54 54 53  
RH..............29 35 41 52 60 69 75 83 93 93 96 100  
APARNT TMP (F)..77 74 70 65 62 59 58 56 54 54 54 53  
20 FT WIND DIR..SE SE E SE SE SE SE E E E E E  
20 FT WIND DIR..120 120 110 130 140 130 130 110 100 090 090 080  
20 FT WIND SPD..2 2 2 2 2 2 2 2 2 2 2 2  
20 FT WIND GUST.9 9 9 10 12 12 12 10 9 10 10 10  
MIX HGT (KFT)...3.9 0.6 0.4 0.6 0.7 0.7 0.7 0.6 0.6 0.6 0.6 0.5  
TRANSP WIND DIR.SE SE SE SE SE SE SE SE E E E E  
TRANSP WIND DIR.140 130 130 150 130 150 130 120 110 110 100 100  
TRANSP WIND SPD.9 8 9 13 15 12 12 10 10 10 10 10  
LVORI...........1 2 2 2 3 3 4 5 6 6 7 9  
ADI.............43 4 4 6 7 5 5 5 5 5 5 5  
   
SUNDAY  
 
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). CHANCE OF RAIN  
EARLY IN THE MORNING. RAIN SHOWERS LIKELY AND  
CHANCE OF THUNDERSTORMS LATE IN THE AFTERNOON.  
CHANCE OF PCPN......60 PERCENT.  
MAX TEMPERATURE.....AROUND 79.  
MIN HUMIDITY........58 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 7 MPH IN  
THE LATE MORNING AND AFTERNOON. GUSTY AND  
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS LATE  
IN THE AFTERNOON.  
MIXING HEIGHT.......4400 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 10 TO 16 MPH.  
LVORI...............5.  
ADI.................5 EARLY IN THE MORNING INCREASING TO 84 IN THE  
AFTERNOON.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........38 42 55 55 55 55 62 69 76 76 76 76  
WEATHER COV..... CHC CHC CHC CHC CHC CHC LKY LKY LKY LKY  
WEATHER TYPE.... RN RN RN RN RN RN RW RW RW RW  
TSTM COV........ CHC CHC CHC CHC  
CHC OF PCPN (%).0 0 30 30 30 30 30 30 60 60 60 60  
TEMP............53 54 55 58 63 68 72 74 76 77 78 78  
RH..............100 100 96 96 87 76 68 66 62 60 58 58  
APARNT TMP (F)..53 54 55 58 63 68 72 74 76 77 78 78  
20 FT WIND DIR..E E E E E E E SE SE SE SE SE  
20 FT WIND DIR..080 070 070 090 100 100 110 120 120 120 130 130  
20 FT WIND SPD..2 2 2 3 5 6 7 8 8 8 7 6  
20 FT WIND GUST.12 12 12 14 15 16 17 17 17 17 17 16  
MIX HGT (KFT)...0.6 0.6 0.7 1.7 2.6 3.4 4.0 4.4 4.4 4.2 3.8 3.4  
TRANSP WIND DIR.E E E E E E SE SE SE SE SE SE  
TRANSP WIND DIR.100 090 090 100 110 110 120 130 130 140 150 150  
TRANSP WIND SPD.10 10 12 13 14 15 16 16 16 15 14 13  
LVORI...........9 7 7 4 4 3 1 1 1 1 1 1  
ADI.............5 11 12 27 46 51 77 83 84 75 63 52  
 
 
FORECASTER...LAVOIE  
REQUESTED BY...KEVIN POPE  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2605761.0/CAE  
.DELDT 03/14/26  
.FORMATTERVERSION 2.0.0  
.EMAIL KEVIN.POPE@USDA.GOV  
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