832  
ACUS11 KWNS 312332  
SWOMCD  
SPC MCD 312332  
NEZ000-COZ000-SDZ000-WYZ000-010100-  
 
MESOSCALE DISCUSSION 1858  
NWS STORM PREDICTION CENTER NORMAN OK  
0632 PM CDT THU JUL 31 2025  
 
AREAS AFFECTED...SOUTHEAST WY...NORTHEASTERN CO...AND THE NE  
PANHANDLE  
 
CONCERNING...SEVERE THUNDERSTORM WATCH 563...  
 
VALID 312332Z - 010100Z  
 
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 563  
CONTINUES.  
 
SUMMARY...THE RISK OF SEVERE WIND GUSTS WILL CONTINUE EXPANDING  
EASTWARD OVER THE NEXT SEVERAL HOURS. A DOWNSTREAM WATCH IS NOT  
CURRENTLY EXPECTED, THOUGH LOCAL SPATIAL EXTENSIONS OF THE WATCH MAY  
BE WARRANTED.  
 
DISCUSSION...LOOSELY ORGANIZED STORM CLUSTERS ARE TRACKING EASTWARD  
ACROSS SOUTHEASTERN WY AND NORTHEASTERN CO THIS EVENING, WHICH WILL  
CONTINUE POSING A RISK OF SEVERE WIND GUSTS. THESE STORMS ARE  
EVOLVING ALONG A LARGER-SCALE COLD POOL WHICH IS SPREADING/EXPANDING  
EASTWARD INTO A MODERATELY UNSTABLE AIR MASS. RECENT RADAR DATA  
INDICATES NEW UPDRAFTS DEVELOPING ALONG THE LEADING OUTFLOW  
BOUNDARY, AND AROUND 40 KT OF GUST-FRONT-ORTHOGONAL EFFECTIVE SHEAR  
MAY BE SUPPORTING THE DEVELOPMENT OF A LOOSELY ORGANIZED MCS WITH  
EASTWARD EXTENT. THE RISK OF SCATTERED SEVERE WIND GUSTS (60-70 MPH)  
IS THE PRIMARY CONCERN, PRIOR TO INCREASING NOCTURNAL STATIC  
STABILITY/INHIBITION TONIGHT. A DOWNSTREAM WATCH IS NOT CURRENTLY  
EXPECTED, THOUGH LOCAL SPATIAL EXTENSIONS OF SEVERE THUNDERSTORM  
WATCH 563 MAY BE WARRANTED.  
 
..WEINMAN.. 07/31/2025  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
 
 
ATTN...WFO...UNR...BOU...CYS...RIW...  
 
LAT...LON 40150456 41740457 42140493 42600610 42870609 43140569  
43200458 43020361 42610295 41180268 40240304 40010371  
40150456  
 
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