GRAND RAPIDS, MI – Some of Michigan’s weather experts were perplexed early Thursday evening when a large moving formation was caught on radar around the Grand Rapids area.
But it wasn’t raining at the time, and it didn’t look like the same signature that a big flock of birds would produce.
So what was it, exactly? A National Weather Service meteorologist gave his best guess: a mass of migrating bugs, large enough to show up on radar…