Worry wanes over the chance of flooding brought on by the melting ice bridge at the southern tip of Lake Huron. But a few freighters heading through the St. Clair River have gotten stuck in ice chunks that are gathered up like “sand bunched in an hourglass,” Tammy Stables Battaglia writes in the Detroit Free Press.
The hourglass metaphor is apt. You can see it in action here:
Images processed and provided by UW-M Space Science and Engineering Center and animated by Jeff Gillies.