The first eight months of 2012 have been the hottest ever recorded in the continental U.S., according to the National Climatic Data Center. Check out some of the ways the extreme heat has affected the U.S.
Highways and railroads can sometimes buckle in extreme heat. In Grand Forks, N.D., a piece of city highway split in two because of excessively high temperatures. Also, the Missouri Department of Transportation issued a warning for motorists to be on the alert for roads “blowing up.”