375   
NWUS53 KLOT 280135  
LSRLOT  
  
PRELIMINARY LOCAL STORM REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
835 PM CDT MON JUL 27 2026  
   
.TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON  
   
.DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE.  
  
            ..REMARKS..  
  
0610 PM     SEICHE           CHICAGO LOCK            41.89N 87.61W  
07/27/2026                   LMZ741             IL   MESONET            
  
            RIVER GAUGE ON LAKE MICHIGAN AT CHICAGO LOCK   
            REPORTED MULTIPLE WATER LEVEL FLUCTUATIONS   
            UP TO 2.7 FEET OVER 20 MINUTES. POSSIBLE   
            METEOTSUNAMI.   
  
  
  
  
  
WSL  
 
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