Great Lakes under the largest cover of ice in 20 years .

By steven d keeler | Feb 03, 2014
Photo by: NASA / NOAA / Big Oil Most of Lake Erie is covered in ice as this NASA satellite image taken on Jan. 9, 2014 shows.

 

New data from Canadian Ice Services as of January 29 shows Lake Ontario currently has the least ice coverage at 23 per cent. Lake Superior, the largest of the Great Lakes, is well over half (65 per cent) covered in ice. Lake Michigan is about 38 percent covered and Lake Huron is almost 67 per cent covered in ice.

The thickness of the ice cover varies from lake to lake but reports show as much as 30 to 40cm of ice spread across most of the lakes, says Dubé.

The amount of ice coverage is significant this year due to how early in the season it formed and the cold snap brought the ice in really fast. “Ice was reported on parts of the Great Lakes in the latter part of November, while usually it starts in mid-December,” Leshkevitch said.

Dubé says if the freezing temperatures continue, it is possible that we could challenge the absolute maximum ice coverage experienced since 1973.

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