514  
ACUS11 KWNS 290136  
SWOMCD  
SPC MCD 290136  
SCZ000-GAZ000-290300-  
 
MESOSCALE DISCUSSION 1794  
NWS STORM PREDICTION CENTER NORMAN OK  
0836 PM CDT TUE JUL 28 2026  
 
AREAS AFFECTED...NORTH GA INTO UPSTATE SC  
 
CONCERNING...SEVERE THUNDERSTORM WATCH 530...531...  
 
VALID 290136Z - 290300Z  
 
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 530, 531  
CONTINUES.  
 
SUMMARY...A THREAT FOR DAMAGING WIND AND POSSIBLY A BRIEF TORNADO  
MAY CONTINUE THROUGH LATE EVENING, BEFORE AN EVENTUAL WEAKENING  
TREND.  
 
DISCUSSION...VIGOROUS CONVECTION IS ONGOING THIS EVENING FROM NORTH  
GA INTO UPSTATE SC. IN THE SHORT-TERM, MODERATE TO STRONG BUOYANCY  
(MLCAPE OF GREATER THAN 2000 J/KG) AND 35-45 KT OF NORTHWESTERLY  
EFFECTIVE SHEAR WILL CONTINUE TO SUPPORT ORGANIZED CONVECTION. GIVEN  
THE EVOLUTION TO MOSTLY A LINEAR MODE ACROSS NORTH GA, DAMAGING WIND  
IS EXPECTED TO BE THE PRIMARY HAZARD, THOUGH AN EMBEDDED SUPERCELL  
OR TWO CANNOT BE RULED OUT, WITH SOME ATTENDANT POTENTIAL FOR A  
BRIEF TORNADO AND MARGINAL HAIL.  
 
WITH RATHER WARM TEMPERATURES ALOFT (AS OBSERVED ON THE 00Z FFC  
SOUNDING) AND A TENDENCY FOR STRONGER LARGE-SCALE ASCENT TO BE  
DISPLACED NORTHEAST OF THE REGION, AN EVENTUAL WEAKENING TREND IS  
EXPECTED. HOWEVER, AT LEAST AN ISOLATED SEVERE THREAT MAY SPREAD  
SOUTHWARD OUT OF WW 530 AND WW 531 BEFORE STORMS DIMINISH.  
 
..DEAN.. 07/29/2026  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
 
 
ATTN...WFO...CAE...GSP...FFC...  
 
LAT...LON 34968459 34698168 34728140 34428143 34218157 33818197  
33898339 34068427 34118464 34418481 34918483 34968459  
 
MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 90 MPH  
MOST PROBABLE PEAK WIND GUST...55-70 MPH  
MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN  
 
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