This month marks 20 years since Hurricane Katrina became the most destructive storm in US history. Here we look what makes a ...

With winds reaching as high as 120 miles per hour, the Category 3 storm devastated New Orleans and coastal Louisiana—and its ...

The NOAA National Severe Storms Laboratory states that the worst flood in U.S. history was caused by a dam break upstream from Johnstown, Pennsylvania, on May 31, 1889.