Ice Flash! Looking at the Great Lakes

Frozen Great Lakes
NASA

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Remember last winter? (Shiver!) Ninety-two percent of the Great Lakes were covered with ice, the greatest amount since 1979.

The last ice didn’t melt until June! It acted like an ice box, cooling off the Midwestern spring. It reduced 7 million tons of vital Great Lakes shipping, costing the industry and consumers more than $705 million. Fortunately experts say there will be only a normal amount of ice this year. And experts are always right. Right?

They might be wrong. The Lakes have begun icing over 10 days earlier than last year, the earliest in more than 40 years. Currently the ice amount on the Lakes is almost equal to the ice cover at the same time last year. On January 16, 2015, the entire Great Lakes had an ice cover of 24.0 percent. On January 16, 2014 the Great Lakes total ice cover was 24.5 percent. It melted slightly over the next two days, but another cold front is approaching.

This year, Lake Erie froze in a flash.

The amount of ice varies from lake to lake. From Lake Huron (27.6%) and Lake Michigan (19.1%) to Lake Superior (10.2%) and Lake Ontario (4.4%) all of the lakes have some ice. However Lake Erie, the shallowest of the lake, froze the most. From January 6 to 16, only ten days, the lake went from 5% to 88% ice coverage! Even today, it has 77% of its surface glazed. Already the Coast Guard icebreakers are out to clear the lanes so that the region’s $2 billion of shipping can continue.

There is some good news about the recent freezing. When the lakes are cold, they don’t warm the air enough to cause heavy “lake effect” snow. This freeze will reduce the amount of snowing in weary Buffalo, New York and other downwind cities.

Also, frozen lakes bring out the enthusiastic (and strange) ice lovers. Now is the time to get out your ice skates and fishing gear. The lakes and ponds have turned to hockey rinks and the fish are biting.

So have fun. Just remember to check how thick the ice is. Few moments are more frustrating than watching your car settling into the lake for an icy bath!

 

About This Blog

Evelyn Browning Garriss doesn't just blog about the weather forecast; she provides insight on WHY extreme weather is happening--and a heads up on weather to watch out for. A historical climatologist, Evelyn blogs about weather history, interesting facts about the weather, and upcoming climate events that affect your life--from farming to your grocery bill. Every week, we look forward to another great weather column from Evelyn. We encourage our weather watchers to post their comments and questions--and tell us what they think!

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yes i am definitely looking

yes i am definitely looking forward to a great skate on ice... i just hope its thick enough.. you know what they say about ice, if she cracks she holds but if she bends she breaks

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