World weather photos: Summer readies to roar to life
Western Storms
Pieces of irrigation pipe are wrapped around a post in front of what used to be a home, late Thursday, June 7, 2012, south of Wheatland, Wyo. A rare quarter-mile-wide tornado cut a swath across mainly open country in southeastern Wyoming, damaging homes, derailing empty train cars and leaving one person with minor injuries, officials said. (AP Photo/The Casper Star-Tribune, Dan Cepeda)