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549
NWUS53 KLOT 061322
LSRLOT

Preliminary Local Storm Report
National Weather Service Chicago IL
822 AM CDT Thu Aug 6 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0722 PM     Seiche           1 ESE Waukegan          42.36N 87.82W
07/27/2026                   LMZ740             IL   Public

            Videos shared to social media show rapid
            fluctuations in water level and strong
            currents in Waukegan Harbor. Currents
            displaced buoys and tree debris. Duration of
            water level rise estimated to be 5 minutes.
            Time indicated by person sharing the video.
            Possible meteotsunami.


&&

$$

WSL