One of America's deadliest flash floods swept quickly down a Colorado canyon on a summer evening, wiping out everything in its path. On July 31, 1976, 49 years ago this evening, up to 14 inches of ...

Searchers looked through a car in the Big Thompson River three miles west of Loveland, Colo., in this Aug. 5, 1976 file photo. DAVE BURESH / AP A year’s worth of precipitation fell in a little over an ...

This 1972 weather event is the biggest flood to hit the U.S. in the last 100 years. In the eastern Black Hills of South Dakota near Rapid City, a stationary group of thunderstorms began around 5 p.m.

Every year at this time, I’m reminded of the Big Thompson Flood of July 31, 1976. It was Saturday night. Two of our daughters were “out” with friends that evening. The day had been hot and muggy, so I ...