961  
ACUS11 KWNS 062011  
SWOMCD  
SPC MCD 062010  
MIZ000-OHZ000-INZ000-ILZ000-062215-  
 
MESOSCALE DISCUSSION 0149  
NWS STORM PREDICTION CENTER NORMAN OK  
0210 PM CST FRI MAR 06 2026  
 
AREAS AFFECTED...SOUTHERN LOWER MICHIGAN...NORTHERN INDIANA...AND  
NORTHEAST ILLINOIS  
 
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE  
 
VALID 062010Z - 062215Z  
 
PROBABILITY OF WATCH ISSUANCE...40 PERCENT  
 
SUMMARY...A COUPLE STRONG TO SEVERE STORMS ARE POSSIBLE THROUGH THE  
AFTERNOON.  
 
DISCUSSION...AN ISOLATED THUNDERSTORM HAS BEEN GRADUALLY  
INTENSIFYING ALONG A WARM FRONT IN FAR SOUTHWESTERN LOWER MI THIS  
AFTERNOON, WITH ADDITIONAL DEEPENING CUMULUS EXTENDING  
WEST-SOUTHWESTWARD ACROSS NORTHERN IN INTO NORTHEASTERN IL. HERE,  
LOWER 60S DEWPOINTS AND DIURNAL HEATING HAS YIELDED A CORRIDOR OF  
WEAK SURFACE-BASED BUOYANCY ALONG THE SOUTHERN EDGE OF WIDESPREAD  
CLOUDS. DESPITE THE WEAK BUOYANCY, STRONG DEEP-LAYER WIND FIELD  
(SAMPLED BY REGIONAL VWP) IS YIELDING AN ELONGATED HODOGRAPH WITH  
ENHANCED LOW-LEVEL CURVATURE. THIS ENVIRONMENT MAY PROMOTE SOME  
STORM ORGANIZATION THIS AFTERNOON, INCLUDING SMALL CLUSTERS AND  
BRIEF/TRANSIENT SUPERCELL STRUCTURES. LOCALLY DAMAGING WINDS AND  
PERHAPS A TORNADO RISK WILL ACCOMPANY THE STRONGER STORMS THAT  
EVOLVE. THE OVERALL SEVERE RISK MAY REMAIN TOO ISOLATED FOR A WATCH,  
THOUGH TRENDS ARE BEING MONITORED.  
 
..WEINMAN/GUYER.. 03/06/2026  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT  
 
ATTN...WFO...IWX...GRR...LOT...  
 
LAT...LON 42008798 41978736 42018679 42298611 42508548 42508505  
42368463 41968443 41648459 41328490 41088542 40918596  
40738680 40658733 40658787 40678834 40898879 41138907  
41638905 41948858 42008798  
 
MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 95 MPH  
MOST PROBABLE PEAK WIND GUST...55-70 MPH  
MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN  
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