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Wednesday morning in South Central Texas area (between Austin and San Antonio) received 12"+ inches of rain in a matter of approx 4hrs. The Guadalupe River which is known for great fun for toobing, canoeing, kayaking, and has some small lakes created by dams (great for wakeboarding). This youtube video shows about a dozen or so boats (including wakeboats) and PWC's going over the dam at Lake Dunlap on the river. The water flow had risen from a nice 535 cubic feet per second to over 55,000 cubic feet per second in approx 4hrs. However, the dramatic rise ocurred in just 1hr where the flow went from 4000cfs to 52,000cfs in less than 2hrs. This is flash flooding at it's scariest. It also ocurred between 7am-10am which is when most of these boat owners would be at work and/or did not have the time to get their boats off their lifts/docks or even away from their houses which many were flooded. All these boats met their doom by going over the dam.
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