Threatening Skies
Mammatus clouds move over the Fredericksburg Agricultural Fair after a round of thunderstorms passed through the area on Thursday. Mammatus are most often associated with severe thunderstorms. (AP Photo/The Free Lance-Star, Peter Cihelka)
Question: Have you ever seen clouds like these?
* This story was originally published as a post from the blog "Huckleberries Online." Read all stories from this blog