839  
ACUS11 KWNS 040441  
SWOMCD  
SPC MCD 040441  
OKZ000-TXZ000-040615-  
 
MESOSCALE DISCUSSION 1883  
NWS STORM PREDICTION CENTER NORMAN OK  
1141 PM CDT SUN AUG 03 2025  
 
AREAS AFFECTED...PARTS OF SOUTHWEST/CENTRAL OK INTO FAR NORTH TX  
 
CONCERNING...SEVERE THUNDERSTORM WATCH 570...  
 
VALID 040441Z - 040615Z  
 
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 570  
CONTINUES.  
 
SUMMARY...A THREAT FOR ISOLATED STRONG TO SEVERE GUSTS AND LOCALIZED  
HAIL MAY CONTINUE INTO THE EARLY OVERNIGHT HOURS.  
 
DISCUSSION...AN MCS IS PROPAGATING SOUTHEASTWARD TOWARD CENTRAL OK  
AS OF 0430 UTC. MEASURED GUSTS OVER THE LAST HOUR HAVE GENERALLY  
BEEN IN THE 45-55 MPH RANGE, BUT THIS SYSTEM HAS A WELL-DEFINED COLD  
POOL AND COULD CONTINUE TO POSE A SHORT-TERM THREAT FOR STRONG TO  
LOCALLY SEVERE GUSTS. MODERATE BUOYANCY AND FAVORABLE DEEP-LAYER  
SHEAR COULD ALSO SUPPORT AN ISOLATED HAIL THREAT WITH ANY VIGOROUS  
UPDRAFT DEVELOPMENT ALONG THE GUST FRONT.  
 
RECENT OBJECTIVE ANALYSES DEPICT RELATIVELY WEAKER MLCINH AND  
STRONGER INSTABILITY TO THE SOUTHEAST OF THIS SYSTEM, WHICH MAY  
ALLOW IT TO CONTINUE MOVING TOWARD SOUTHERN/CENTRAL OK INTO THE  
EARLY OVERNIGHT HOURS. HOWEVER, SOMEWHAT WEAKER DEEP-LAYER SHEAR  
WITH EASTWARD EXTENT AND THE LACK OF A STRONGER NOCTURNAL LOW-LEVEL  
JET MAY TEND TO LIMIT THE ORGANIZATION OF THIS SYSTEM WITH TIME.  
 
THE REMAINING SEVERE THREAT MAY REMAIN RATHER ISOLATED, BUT TRENDS  
WILL BE CONTINUE TO BE MONITORED REGARDING THE NEED FOR ANY LOCAL  
WATCH EXPANSION OR NEW WATCH ISSUANCE.  
 
..DEAN.. 08/04/2025  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
 
 
ATTN...WFO...TSA...FWD...OUN...  
 
LAT...LON 35189929 35639862 36449836 36439765 35649648 34669657  
33629705 33739840 34509937 34819943 35189929  
 
MOST PROBABLE PEAK WIND GUST...55-70 MPH  
MOST PROBABLE PEAK HAIL SIZE...1.00-1.75 IN  
 
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