CHICAGO -- An enormous sheet of ice broke away from Lake Michigan's shore near Chicago, Illinois, amid westerly winds last month.
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This time-lapse, captured by Travis McGhee, shows the sheet drifting away near Montrose Harbor.
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The National Weather Service said on February 19 a westward breeze was "helping to break up and push some of our ice cover eastward".
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Lake Michigan ice: Timelapse captures ice sheet breaking from Chicago shoreline