075  
ACUS11 KWNS 082234  
SWOMCD  
SPC MCD 082233  
MIZ000-090000-  
 
MESOSCALE DISCUSSION 1904  
NWS STORM PREDICTION CENTER NORMAN OK  
0533 PM CDT FRI AUG 08 2025  
 
AREAS AFFECTED...CENTRAL TO NORTHEAST LOWER MICHIGAN  
 
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY  
 
VALID 082233Z - 090000Z  
 
PROBABILITY OF WATCH ISSUANCE...5 PERCENT  
 
SUMMARY...THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS LOWER  
MICHIGAN FOR THE NEXT COUPLE OF HOURS, AND MAY POSE A TRANSIENT  
SEVERE HAIL/WIND THREAT. WATCH ISSUANCE IS NOT EXPECTED.  
 
DISCUSSION...TRANSIENT CONVECTION HAS BEEN ONGOING ACROSS LOWER MI  
ALONG A SURFACE CONFLUENCE ZONE FOR THE PAST COUPLE OF HOURS, BUT A  
COUPLE OF DEEPER CELLS HAVE DEVELOPED ACROSS NORTHEAST LOWER MI OVER  
THE PAST 30-60 MINUTES PER IR IMAGERY AND COMPOSITE REFLECTIVITY.  
BASED ON MRMS VERTICAL ICE DATA, THESE CELLS LIKELY REACHED  
SUFFICIENT INTENSITY FOR ISOLATED SEVERE HAIL (MOST LIKELY 1 TO 1.25  
INCH IN DIAMETER) BEFORE GRADUALLY WEAKENING. CONTINUED LOW-LEVEL  
ASCENT WITHIN A WEAKLY CAPPED AND BUOYANT (2000 J/KG MLCAPE)  
ENVIRONMENT WILL LIKELY CONTINUE TO PROMOTE ISOLATED THUNDERSTORM  
DEVELOPMENT PRIOR TO SUNSET AND THE ONSET OF NOCTURNAL COOLING.  
HOWEVER, MODEST DEEP-LAYER SHEAR (PER REGIONAL VWPS) WILL PROMOTE  
TRANSIENT STORM ORGANIZATION AND THE POTENTIAL FOR SPORADIC SEVERE  
HAIL AND DAMAGING WINDS. IN GENERAL, THE SEVERE THREAT IS EXPECTED  
TO REMAIN SUFFICIENTLY LIMITED TO PRECLUDE WATCH ISSUANCE.  
 
..MOORE/GUYER.. 08/08/2025  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT  
 
ATTN...WFO...DTX...APX...GRR...  
 
LAT...LON 43208427 43148459 43218494 43348516 43588530 43898533  
44148508 44468477 44808460 45258420 45398388 45448358  
45328334 45048316 44678308 44068316 43708344 43458378  
43208427  
 
MOST PROBABLE PEAK WIND GUST...UP TO 60 MPH  
MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN  
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