761  
ACUS11 KWNS 121752  
SWOMCD  
SPC MCD 121752  
GAZ000-ALZ000-FLZ000-MSZ000-LAZ000-121945-  
 
MESOSCALE DISCUSSION 1603  
NWS STORM PREDICTION CENTER NORMAN OK  
1252 PM CDT SUN JUL 12 2026  
 
AREAS AFFECTED...PORTIONS OF THE LOWER MISSISSIPPI VALLEY INTO THE  
SOUTHEAST  
 
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY  
 
VALID 121752Z - 121945Z  
 
PROBABILITY OF WATCH ISSUANCE...5 PERCENT  
 
SUMMARY...WIDELY SCATTERED STRONG TO OCCASIONALLY SEVERE  
THUNDERSTORMS MAY BRING A LOW PROBABILITY RISK FOR LOCALIZED  
DAMAGING DOWNBURST WIND GUSTS.  
 
DISCUSSION...INCREASINGLY AGITATED CUMULUS, AND A FEW ISOLATED  
THUNDERSTORMS, WERE EVIDENT ON VISIBLE SATELLITE AND REGIONAL RADAR  
IMAGERY ACROSS THE LOWER MISSISSIPPI VALLEY AND PORTIONS OF THE  
SOUTHEAST/GULF COAST AS OF 1750 UTC. THIS ACTIVITY IS LOCATED WITHIN  
A WARM AND MOIST LOW-LEVEL AIR MASS TO THE SOUTH OF A SURFACE  
FRONTAL BOUNDARY. AIDED BY FORCING FOR ASCENT AHEAD OF A MID-LEVEL  
SHORTWAVE TROUGH, CONVECTION IS FORECAST TO INCREASE IN COVERAGE  
OVER THE NEXT SEVERAL HOURS, WITH THE GREATEST COVERAGE LIKELY TO  
OCCUR WHERE ANY CONSOLIDATED COLD POOLS INTERSECT THE  
INLAND-PROGRESSING SEA BREEZE LATER THIS AFTERNOON/EVENING. SLIGHTLY  
COOLER SURFACE TEMPERATURES SHOULD YIELD MARGINALLY WEAKER LOW-LEVEL  
LAPSE RATES (RELATIVE TO AREAS FARTHER EAST); HOWEVER, LOCALIZED  
DAMAGING DOWNBURST WINDS MAY STILL OCCUR GIVEN PW NEAR 2 INCHES  
ACROSS THE REGION. THIS THREAT IS EXPECTED TO REMAIN TOO ISOLATED TO  
WARRANT WATCH ISSUANCE.  
 
..CHALMERS/SMITH.. 07/12/2026  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT  
 
ATTN...WFO...FFC...BMX...MOB...JAN...LIX...  
 
LAT...LON 31709145 32139148 32539144 32829129 33029100 33109032  
33208924 33298849 33408755 33538649 33668560 33758476  
33828427 33668383 33388369 32928362 32568374 32348398  
32178434 32038502 31818562 31678617 31428667 31018714  
30678752 30438801 30368838 30388874 30488929 30769030  
31099105 31379138 31709145  
 
MOST PROBABLE PEAK WIND GUST...UP TO 60 MPH  
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