270  
ACUS11 KWNS 072346  
SWOMCD  
SPC MCD 072345  
OKZ000-080115-  
 
MESOSCALE DISCUSSION 0736  
NWS STORM PREDICTION CENTER NORMAN OK  
0645 PM CDT WED MAY 07 2025  
 
AREAS AFFECTED...CENTRAL TO EASTERN OKLAHOMA  
 
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY  
 
VALID 072345Z - 080115Z  
 
PROBABILITY OF WATCH ISSUANCE...5 PERCENT  
 
SUMMARY...SHALLOW CONVECTION DEVELOPING ACROSS CENTRAL TO EASTERN  
OKLAHOMA WILL BE CAPABLE OF PRODUCING HAIL UP TO SEVERE LIMITS. THIS  
THREAT IS EXPECTED TO REMAIN FAIRLY ISOLATED AND SHORT-LIVED; WATCH  
ISSUANCE IS NOT EXPECTED.  
 
DISCUSSION...WEAK THUNDERSTORMS HAVE BEEN PERCOLATING ACROSS  
CENTRAL/NORTHERN OK OVER THE PAST FEW HOURS, BUT HAVE RECENTLY  
EXPERIENCED A SLIGHT UPTICK IN INTENSITY AS THEY MIGRATE  
SOUTHEASTWARD INTO A SOMEWHAT MORE STRONGLY SHEARED ENVIRONMENT.  
RECENT RAP MESOANALYSIS ESTIMATES INDICATE THAT EFFECTIVE SHEAR  
VALUES AROUND 35 KNOTS ARE IN PLACE ACROSS EASTERN OK, WHICH MAY  
ALLOW FOR SUFFICIENT STORM ORGANIZATION TO PRODUCE HAIL STONES OF  
AROUND ONE INCH. THE THERMODYNAMIC ENVIRONMENT IS LARGELY BEING  
DRIVEN BY DIURNALLY-DRIVEN SURFACE TEMPERATURES IN THE 70S BENEATH  
COLD TEMPERATURES ALOFT ASSOCIATED WITH AN UPPER LOW OVER THE  
REGION. MLCAPE VALUES OF AROUND 500 J/KG WILL LIKELY BE THE BUOYANCY  
ZENITH WITH A GRADUAL REDUCTION IN MLCAPE EXPECTED WITH THE ONSET OF  
THE EARLY EVENING TRANSITION IN THE NEXT 1-2 HOURS. CONSEQUENTLY,  
THE OVERALL SEVERE THREAT IS EXPECTED TO REMAIN RELATIVELY LOCALIZED  
AND SHORT-LIVED, AND WILL NOT REQUIRE WATCH ISSUANCE.  
 
..MOORE/SMITH.. 05/07/2025  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT  
 
ATTN...WFO...TSA...OUN...  
 
LAT...LON 35919845 36019818 36619643 36759588 36689548 36429509  
36189483 35849461 35459446 34979456 34729491 34719563  
35379835 35629850 35919845  
 
MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN  
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