Lake Superior has only frozen over completely once since 1973, according to NOAA.The lake had 100% ice cover in 1996. Lake Michigan's ice cover high was 93.2% in 2104. Lake Huron had 98.2% ice ...

Lake Huron had 98.2% ice cover in 1996. Lake Erie, the shallowest of the lakes, froze over completely ion 1978, 1979 and 1996. Lake Ontario had 86.2% ice coverage in 1979. What years did the Great ...

The 2024-2025 Great Lakes ice season has seen near-normal ice cover, a change from recent years with record lows. Ice cover peaked in February at just over 50% due to a polar vortex.

Lake Erie freezes the quickest of all the Great Lakes due to the more shallow water and the narrow shape of the lake. In fact there have been many years since 1973 that Lake Erie has frozen over ...

The Great Lakes ice season typically begins in the shallow, protected bays like Green Bay and Saginaw Bay as we see this year in Figure 1. Below is a chart that shows the average date of first ice ...

Beneath the hype, the region faces a host of both potential and very real climate-related problems. Many of these relate to ...

After reaching a peak of more than 50% coverage in February, Great Lakes ice held on into May this year. ... Lake Huron had 98.2% ice cover in 1996. Lake Erie froze over completely in 1978, ...

The operation covered the Great Lakes and the St. Lawrence Seaway. 141 vessels contributed more than 900 hours of icebreaking assistance and preventative support. Although most ice has melted ...

Dan DePodwin breaks down the historical averages of spring's final freeze across the U.S. and when the Great Lakes and Northeast can expect their final freeze before warmer days take over. China ...

Lake Superior heat waves tripled in intensity, Lake Michigan doubled. Over the past eight decades, the upper Great Lakes — Superior, Huron and Michigan — experienced the largest change in heat ...

Officials recorded below-average water levels compared to 2024 for the Great Lakes, ... depending on the lake." The 2024-25 ice season ... as the lakes began their seasonal rises. Over the ...