448  
WWUS53 KGRR 181929  
SVSGRR  
 
SEVERE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
329 PM EDT MON MAY 18 2026  
 
MIC037-057-065-073-075-182000-  
/O.CON.KGRR.SV.W.0065.000000T0000Z-260518T2000Z/  
JACKSON MI-INGHAM MI-GRATIOT MI-ISABELLA MI-CLINTON MI-  
329 PM EDT MON MAY 18 2026  
 
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT  
FOR JACKSON...INGHAM...GRATIOT...SOUTHERN ISABELLA AND CLINTON  
COUNTIES...  
 
AT 329 PM EDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM NEAR EDMORE TO NEAR ST. JOHNS TO 9 MILES NORTHEAST OF  
JONESVILLE, MOVING NORTHEAST AT 60 MPH.  
 
HAZARD...70 MPH WIND GUSTS.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO MOBILE  
HOMES, ROOFS, AND OUTBUILDINGS.  
 
LOCATIONS IMPACTED INCLUDE...  
LANSING, JACKSON, MASON, ITHACA, EAST LANSING, LESLIE, ELSIE,  
VANDERCOOK LAKE, ALMA, ST. LOUIS, WILLIAMSTON, MOUNT PLEASANT,  
SHEPHERD, BRECKENRIDGE, STOCKBRIDGE AND GRASS LAKE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
THIS IS A DANGEROUS SITUATION. THESE STORMS ARE PRODUCING WIDESPREAD  
WIND DAMAGE ACROSS WEST AND SOUTHWEST MICHIGAN. SEEK SHELTER NOW  
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.  
 

 
 
LAT...LON 4207 8414 4207 8471 4242 8472 4242 8460  
4277 8460 4277 8484 4346 8484 4347 8508  
4353 8508 4371 8461 4347 8461 4346 8437  
4278 8436 4278 8416  
TIME...MOT...LOC 1929Z 244DEG 50KT 4343 8504 4295 8454 4209 8455  
 
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE  
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...<.75 IN  
WIND THREAT...OBSERVED  
MAX WIND GUST...70 MPH  
 

 
 
THOMAS  
 
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