Lake Superior Declines Less than Normal, Remains Near Record High

Lake Superior Declines Less than Normal, Remains Near Record High Photo: WDIO-TV

Updated: January 03, 2020 05:49 PM

Lake Superior declined less last month than is usual for this time of year, keeping it just below record levels.


The International Lake Superior Board of Control says the lake fell about 1.5 inches (4 centimeters) over the course of the month, which is half of the average decline for December.

The lake is less than an inch below the record high set in 1986.  It's about 14.5 inches (37 centimeters) higher than average and about 3.5 inches (9 centimeters) above last year's level.

"As a result, there will continue to be a significantly increased risk of shoreline erosion, lakeshore flooding and coastal damages over the next several weeks and potentially through the winter," the board said Friday in its monthly update.

One recent example of Great Lakes erosion is a house that collapsed down the side of the Lake Michigan shoreline on Tuesday.  Lake Michigan-Huron is currently about 1.5 inches above the previous record high set in 1987 and is about 37 inches (95 centimeters) above average.

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