via.fox40.com
What Are Those?! Strange Circles on Weather Radar Explained
HUNTSVILLE, Ala. -- Three strange circles showed up on a weather radar in Huntsville, Alabama on Sunday morning -- and before people begin assuming it's aliens, a meteorologist in Alabama has an explanation. "I noticed a curious feature on the radar this morning. Within the span of 60 minutes, a few “donut rings” developed over Rainsville, Winchester, Huntsville and west Decatur," Meteorologist Christina Edwards wrote on the WHNT Weather Blog.