13th Annual Smithsonian Magazine Photo Contest Natural World
Tubular cloud across the entire horizon

I saw this bizarre cloud formation in the distance as I drove on the highway. It stretched as far as the eye could see from left to right, with no end in sight. Both the top and bottom were absolutely linear and perfectly parallel to the horizon.

Photo Detail
Date Taken: 11.2015
Date Uploaded: 11.2015
Photo Location: West of Lincoln, Nebraska, United States of America
Copyright: © Errol Billinkoff