Texas floods have once again highlighted the deadliest weather threat in the US flash flooding. More than 50 people have died ...

Out of all those tornadoes, only 60 (0.085 percent) have ever been rated an F5 or EF-5. 59 of those tornadoes touched down in ...

From Hurricane Katrina to the recent Texas Hill Country deluge, a look back at the floods that have claimed the most lives ...