798  
ACUS11 KWNS 260401  
SWOMCD  
SPC MCD 260400  
IAZ000-MNZ000-260600-  
 
MESOSCALE DISCUSSION 1739  
NWS STORM PREDICTION CENTER NORMAN OK  
1100 PM CDT SAT JUL 25 2026  
 
AREAS AFFECTED...SOUTH-CENTRAL MN...NORTH-CENTRAL IA  
 
CONCERNING...SEVERE THUNDERSTORM WATCH 515...  
 
VALID 260400Z - 260600Z  
 
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 515  
CONTINUES.  
 
SUMMARY...THREAT FOR STRONG GUSTS AND ISOLATED LARGE HAIL REMAINS  
ACROSS SOUTH-CENTRAL MINNESOTA AND NORTH-CENTRAL IOWA.  
 
DISCUSSION...ONGOING MCS HAS DECAYED SIGNIFICANTLY OVER THE PAST  
HOUR, WITH THE GUST FRONT NOW WELL AHEAD OF THE MAIN BODY OF  
PRECIPITATION. THE GUST FRONT IS LIKELY DEEP ENOUGH TO FORCE NEW  
DEVELOPMENT, WHICH APPEARS TO BE OCCURRING ACROSS COTTONWOOD COUNTY  
MN AS WELL AS BUENA VISTA COUNTY IA. REDEVELOPMENT ALONG THE GUST  
FRONT WILL ALLOW FOR CONTINUED EASTWARD/SOUTHEASTWARD PROGRESSION OF  
THE FRONT, ALTHOUGH IT WILL LIKELY SLOW OVER TIME AS ITS DEPTH AND  
THE STRENGTH OF CONVECTION ALONG IT BOTH DECREASE. STRONG GUSTS WILL  
REMAIN THE PRIMARY THREAT. STEEP MID-LEVEL LAPSE RATES AND STRONG  
VERTICAL SHEAR COULD ALSO SUPPORT SOME ISOLATED LARGE HAIL WITHIN  
ANY REDEVELOPMENT ALONG THE FRONT.  
 
..MOSIER.. 07/26/2026  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT  
 
ATTN...WFO...MPX...DMX...FSD...  
 
LAT...LON 43649554 44219513 44059382 43609314 42339322 42269442  
42589552 43649554  
 
MOST PROBABLE PEAK WIND GUST...55-70 MPH  
MOST PROBABLE PEAK HAIL SIZE...1.00-1.75 IN  
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