Is there ice cover in the Great Lakes 2023?

The low ice cover followed a warmer than normal month of January. January 2023 was the Earth's seventh-warmest January on record. This satellite image taken mid-February of 2023 shows how little of the Great Lakes are covered in ice. A small strip of ice can be seen along Lake Huron's Saginaw Bay.



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Lake Superior's peak ice cover this winter was less than half of the typical long-term average peak ice. Lake Superior's ice cover peaked at only 20% on Feb. 24, 2023. The average peak ice over the years is 49%, more than double this year's ice.

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Lake Erie averages the highest ice cover Of the five Great Lakes, Lake Erie typically reaches the highest annual maximum ice cover, often exceeding 80 percent.

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These lake surface temperatures are projected to rise by as much as 7°F by 2050 and 12.1°F by 2100. Higher temperatures, increased precipitation, and lengthened growing seasons are likely to result in increased production of blue-green and toxic algae in the lakes.

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Today, the Coast Guard has nine cutters on the Great Lakes capable of breaking ice. Six of them are older buoy-tender designs more suited to aiding harbors and clearing ice jams in connecting channels like the St. Clair River. The Canadians have two cutters serving the Great Lakes.

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Lake Erie is the shallowest, warmest, and most productive of the Great Lakes. Three distinct basins provide a variety of offshore habitats. The Detroit River, Maumee River, and smaller tributaries drain into the western basin, which averages 24 feet deep and contains extremely nutrient-rich water.

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The Great Lakes are struggling under the combined weight of many ailments, from invasive species and toxic chemicals to the nutrient runoffs that fuel Lake Erie's chronic algae problem. And in many cases, climate change is making it worse.

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Lake Huron has a record low of 12.6% ice cover, beating the old record from 1999. Lake Erie has a tie for lowest ice cover with 1998, at 0.6%. Lake Erie is the shallowest Great Lake and the smallest by volume.

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Do the Great Lakes ever freeze over completely? Lake Superior has frozen over completely just once since 1973 in 1996. Lake Michigan has frozen over completely zero times, but close (90% or more) only three times since 1973. Lake Erie has frozen over completely three times since 1973.

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The surface water temperature in Lake Superior is getting colder recently, despite some recent warm water around Duluth, Minnesota, and Superior, Wisconsin, the National Weather Service (NWS) in Duluth said Wednesday.

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The all-time daily average high temperature record for Lake Superior is 71°F, which was recorded in mid-August 2010.

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10% of the entire planet's fresh water are contained in one inland sea. The amount of snow that gets melted and runs into the Great Lakes each year is so vast, that there is zero chance of running low. Droughts don't exist up there. Here in Perth Western Australia we have a dam, little rain and treated water.

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Water levels in the Great Lakes have fluctuated since 1860. Over the last few decades, water levels have declined slightly for most of the Great Lakes (see Figure 1). The past few years, however, have shown notable increases toward the top of the historical range.

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Primarily because of their location - north. They are subjected to cold and cooler weather longer than they are warm weather. Their 'warmest' temps are over a relatively short time during the summer before cooler and colder weather begins to occur. They are big and they don't have time to warm up.

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