684  
ACUS11 KWNS 272156  
SWOMCD  
SPC MCD 272155  
MIZ000-272300-  
 
MESOSCALE DISCUSSION 1477  
NWS STORM PREDICTION CENTER NORMAN OK  
0455 PM CDT FRI JUN 27 2025  
 
AREAS AFFECTED...SOUTHEAST LOWER MICHIGAN  
 
CONCERNING...SEVERE THUNDERSTORM WATCH 466...  
 
VALID 272155Z - 272300Z  
 
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 466  
CONTINUES.  
 
SUMMARY...ISOLATED WIND-DAMAGE THREAT WILL CONTINUE UNTIL ABOUT 23Z.  
 
DISCUSSION...A BROKEN BAND OF STORMS IS MOVING EASTWARD ACROSS  
SOUTHEAST LOWER MI, WITH THE EFFECTIVE FRONT MARKED BY THE AGGREGATE  
OUTFLOW BOUNDARY COINCIDENT WITH THE STORMS. UNIDIRECTIONAL WIND  
PROFILES FROM THE WEST-SOUTHWEST AROUND 30 KT, PRECIPITATION LOADING  
WITH MODERATE BUOYANCY, AND LINGERING STEEP LOW-LEVEL LAPSE RATES  
SUGGEST SOME CONTINUING POTENTIAL FOR ISOLATED WIND DAMAGE PRIOR TO  
THE CONVECTION MOVING INTO ON BY ABOUT 23Z. THEREAFTER, THE SEVERE  
THREAT WILL HAVE ENDED AND THE WATCH WILL LIKELY BE CANCELED PRIOR  
TO THE SCHEDULED 01Z EXPIRATION.  
 
..THOMPSON.. 06/27/2025  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT  
 
ATTN...WFO...DTX...  
 
LAT...LON 42588265 41878340 41918375 42448382 43158316 43488259  
43288230 42588265  
 
MOST PROBABLE PEAK WIND GUST...55-70 MPH  
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