![Looking back: The ups and downs of Great Lakes ice cover in 2021 | NOAA Great Lakes Environmental Research Laboratory Looking back: The ups and downs of Great Lakes ice cover in 2021 | NOAA Great Lakes Environmental Research Laboratory](https://noaaglerl.files.wordpress.com/2021/04/holland-lake-michigan-ice-february-2021-clarice-farina-collage.jpg)
Looking back: The ups and downs of Great Lakes ice cover in 2021 | NOAA Great Lakes Environmental Research Laboratory
NOAA Great Lakes Environmental Research Laboratory - #TransformationTuesday: Ice cover on the #GreatLakes as of yesterday is 2.7% -- slightly lower than this time in 2020, and less than half of what
![Frigid temps have accelerated ice coverage of Lake Erie; this satellite photo shows the ice - cleveland.com Frigid temps have accelerated ice coverage of Lake Erie; this satellite photo shows the ice - cleveland.com](https://cloudfront-us-east-1.images.arcpublishing.com/advancelocal/2T7UEANZRJHDPNELKZZSH5IDRA.jpg)
Frigid temps have accelerated ice coverage of Lake Erie; this satellite photo shows the ice - cleveland.com
![Looking back: The ups and downs of Great Lakes ice cover in 2021 | NOAA Great Lakes Environmental Research Laboratory Looking back: The ups and downs of Great Lakes ice cover in 2021 | NOAA Great Lakes Environmental Research Laboratory](https://noaaglerl.files.wordpress.com/2021/04/great-lakes-january-average-ice-cover-1973-2021.png?w=950)