Warming Great Lakes have a domino effect in winter with above-average temperatures, report says


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CHICAGO – Winter is fast approaching, but experts say the Great Lakes have failed to get the message.

The video shown is from a previous report.

After summer and fall evenings that haven’t cooled sufficiently, surface temperatures in massive water bodies tend to be above average, the Chicago Tribune reported.

This is an example of climate change.

“What was a little shocking was the consistency of warmer-than-normal conditions,” state climatologist Trent Ford said. “And the lack of cool nights.”

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Blame the states that own the shores of the Great Lakes.

Minnesota and Wisconsin recorded their third hottest June in history. New York had one of its hottest summers. Lake Huron set a record when it hit nearly 74 F (22 C) in late August.

Illinois also brought the heat. The state’s average minimum temperature from July to October was the highest on record until 2016, according to National Oceanic and Atmospheric Administration records from 1895. The October average temperature set a record 8 degrees above average.

RELATED: Lake Michigan Warmer Than Ever So Early in Summer, at Record Highs

The disruption of expected seasonal temperatures produces a domino effect.

A severe frost was delayed until the last week of October, Ford said. The allergy season seemed longer. The bugs have had an extended bite season. Ford was picking backyard tomatoes until October.

It continues throughout the calendar. Illinois’ most pronounced warming occurred in winter – minimum temperatures warmed by more than 3 degrees.

RELATED: Lake Michigan Approaches All-Time All-Time High, Set 33 Years Ago

This prolongs warmer water temperatures, which can produce more lake-effect snow, according to Ford. The snow slows down with the arrival of the ice, itself delayed by the warmer water.

Ice can decrease the damage caused by coastal erosion. And warmer water, even at depths found in the Great Lakes, poses challenges by welcoming invasive species and generating harmful algal blooms.

Copyright © 2021 by The Associated Press. All rights reserved.

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