Lake Superior ice coverage nears 90 percent

Far exceeds predictions
______________

Earlier in the season, forecasters predicted little more than 50% ice coverage this winter on Lake Superior. But as of Friday, the lake was more than 85% covered, far exceeding both the prediction and the lake’s long-term average of 55%, according to NOAA’s Great Lakes Environmental Research Lab (GLERL).

This year’s frigid conditions triggered the rapid ice expansion, said Jia Wang, a research ice climatologist and physical oceanographer at GLERL.

Winds, waves and temperature are the major factors contributing to the widespread ice coverage this year, said Joe Phillips, a meteorologist at the National Weather Service.

Thursday’s peak of 86% is nearly 10% higher than last year’s max coverage, and far exceeds the 2017 and 2018 levels of 1% and 56%, respectively.

With cold temperatures in the forecast, Wang expects 90% coverage could be reached this week.

Wang and Phillips emphasize that this would not necessarily be an historic event because ice coverage of 90% and above also occurred in 2015, 2014, 2009 and 2003.

Hmmm. Are those some of the years that we have supposedly endured historic global warming?

http://www.ironmountaindailynews.com/news/local-news/2019/03/lake-superior-ice-coverage-nears-90-percent-exceeding-predictions/

Thanks to Ron R. for this link

The post Lake Superior ice coverage nears 90 percent appeared first on Ice Age Now.

via Ice Age Now

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March 6, 2019 at 07:07PM

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