075  
ACUS11 KWNS 052052  
SWOMCD  
SPC MCD 052052  
WIZ000-MNZ000-052215-  
 
MESOSCALE DISCUSSION 0989  
NWS STORM PREDICTION CENTER NORMAN OK  
0352 PM CDT FRI JUN 05 2026  
 
AREAS AFFECTED...PORTIONS OF WEST-CENTRAL AND SOUTHERN MINNESOTA  
 
CONCERNING...SEVERE THUNDERSTORM WATCH 274...  
 
VALID 052052Z - 052215Z  
 
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 274  
CONTINUES.  
 
SUMMARY...THE THREAT FOR LARGE HAIL AND DAMAGING WIND GUSTS  
CONTINUES ACROSS NEWLY ISSUED SEVERE THUNDERSTORM WATCH 274.  
 
DISCUSSION...SEVERAL DISCRETE/SEMI-DISCRETE SUPERCELLS HAVE  
DEVELOPED JUST EAST OF THE SD/MN BORDER AS OF 2030 UTC, WITH A  
RECENT REPORT OF 1" HAIL AND A MEASURED GUST OF 56 KTS. A CORRIDOR  
OF MARGINALLY STEEPER MID-LEVEL LAPSE RATES (6.5+ C/KM) ANALYZED VIA  
LATEST OBJECTIVE ANALYSIS AND MODESTLY INCREASING MID-LEVEL FLOW  
(SAMPLED BY THE MPX VAD PROFILE) IMMEDIATELY DOWNSTREAM OF AN  
APPROACHING SHORTWAVE TROUGH WILL CONTINUE TO PROMOTE THE POTENTIAL  
FOR LARGE HAIL AS THESE STORMS PROPAGATE SOUTHEASTWARD, WITH  
DAMAGING TO OCCASIONALLY SEVERE WIND GUSTS ALSO POSSIBLE. A LOCALLY  
GREATER SEVERE RISK MAY EVOLVE SHOULD A STORM FAVORABLE INTERACT  
WITH A REMNANT OUTFLOW BOUNDARY FROM PRIOR CONVECTION (EVIDENT ON  
VISIBLE SATELLITE IMAGERY AND SURFACE OBSERVATIONS).  
 
WITH TIME, STORMS MAY EVOLVE INTO ONE OR MORE BOWING  
SEGMENTS/CLUSTERS, WHICH WOULD FAVOR AN ATTENDANT INCREASE IN THE  
THREAT FOR DAMAGING WIND GUSTS. CONVECTIVE COVERAGE AND SEVERITY  
SHOULD THEN GRADUALLY WANE LATER THIS EVENING AS NOCTURNAL  
COOLING/STABILIZATION BEGINS.  
 
..CHALMERS/MOSIER.. 06/05/2026  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT  
 
ATTN...WFO...ARX...MPX...FGF...FSD...  
 
LAT...LON 43939370 43939421 44029487 44159531 44369563 44669588  
45239599 45509593 45839578 46129535 46169509 46079462  
45919440 45719417 45529390 45369363 45259328 45199293  
45019283 44659273 44439273 44219284 44049302 44009318  
43969331 43939370  
 
MOST PROBABLE PEAK WIND GUST...55-70 MPH  
MOST PROBABLE PEAK HAIL SIZE...1.00-1.75 IN  
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