The Great Lakes are warmer than they’ve ever been in early November: Why that’s a problem in several ways
Some parts of the Northern Great Lakes region were greeted by their first significant snowfall of the season earlier this week, but not even the arrival of the fluffy white stuff could mask these historic times for the Great Lakes themselves.
No, that's not dirt, it's a swarm of mayflies that's invaded Ohio
These mayflies come from the waters of Lake Erie. According to the Ohio Sea Grant research and education program. The swarm was so dense that it was captured on the weather radar of CNN affiliate WOIO on Wednesday. These mayflies come from the waters of Lake Erie. Residents may find them annoying, but the mayfly swarm is an indication of good water health in the Great Lakes, according to Ohio Sea Grant.