The Great Lakes have 9X the ice coverage of last year at this time

“The Great Lakes have 9 times the ice coverage of last year at this time,” says reader Marque2. “And 33 times that of two years ago.”

Here are comparison maps of ice concentration on Lake Superior.

Lake Superior comparisons:
https://www.glerl.noaa.gov//res/glcfs/compare_years/compare_years_s.html

Lake Michigan comparisons:
https://www.glerl.noaa.gov//res/glcfs/compare_years/compare_years_m.html

Lake Huron comparisons:
https://www.glerl.noaa.gov//res/glcfs/compare_years/compare_years_h.html

Lake Erie comparisons:
https://www.glerl.noaa.gov//res/glcfs/compare_years/compare_years_e.html

Lake Ontario comparisons:
https://www.glerl.noaa.gov//res/glcfs/compare_years/compare_years_o.html