Supercell over Lake Superior

from flickr user Boreal Bird
The photographer says: Just one more (I promise, I think!) to add to my 'Superior Supercell' series. I reworked the original b/w version that I had previously posted, and am significantly happier with this.

By the way, for those not familiar with this type of ship - it's a lake freighter (known in the Great Lakes as a "laker") and is an impressive ~ 1000 feet / 300 meters long. Just to give more perspective if needed.