This has been the deadliest rainy season in recent memory in the state. One flood did kill 237 people in Rapid City, South Dakota in 1972. It was the worst rain related disaster that the country has ever seen in recent years. A flash flood in 1889 that was caused by a broken dam killed more than 2,000 people in Johnstown, Pennsylvania.
The floods occur after an intense rain that pushed the rivers in the area to flood suddenly and unexpectedly. Since most of the rainfall came in the middle of the night, when the rivers flooded they quickly filled the valley that was full of people sleeping in their campgrounds that were spread throughout the camping spot, including Albert Pike Campground.
Because the area is also home to many different mountain rangers, they have been used to flooding in the past, but never the flash floods that were experienced last night. Flooding in general typically kills more than 100 people every year, and causes over 75,000 Americans to be evacuated from their houses.
Flash floods are the most common cause of flood related deaths each year. Because they strike quickly, with such force, they can not be predicted and are very destructive as the water tears down the paths.
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