froze over

Lake Superior Nearly 100 Percent Frozen

Cold and snow increases ice coverage.

DULUTH, Minn.- It’s been an impressive winter on Lake Superior. That’s because ice has covered nearly 100 percent of the big lake. According to a Professor at UMD, the lake hasn’t seen this much ice since 2014. And, it will have an effect on our summer. “The timing of the start of that layer of warm water forming plays a…