Great Lakes ice growth accelerates

WOODTV.com

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GRAND RAPIDS, Mich. (WOOD) — We’re not on pace for record Great Lakes ice like last winter, but we definitely have more than average.

(NOAA satellite photo from Sunday, Feb. 15.) (NOAA satellite photo from Sunday, Feb. 15.)

Once per week, Environment Canada publishes lake ice data. Their most recent report shows Great Lakes ice surface concentration at 55% for Feb. 12 compared to 87% for the same date in 2014. The median ice concentration is about 33%.

(A comparison on last winter’s Great Lakes ice cover [light blue] to this winter’s ice cover [dark blue] and the median ice cover [grey line].) (A comparison on last winter’s Great Lakes ice cover [light blue] to this winter’s ice cover [dark blue] and the median ice cover [grey line].) Ice cover on Lake Michigan was in flux over the weekend of Jan. 14 and 15 because of strong winds that produces large waves breaking up considerable ice. Lighter winds and consistently cold air early this week will aid in regenerating some of that ice.

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