That’s why you should always check the weather before going on a hike.
Especially in desertic Utah when 2.5 inches of rain fell within 1.5 hours over a wide area. Amazing monster flash flood drone video.
As described on the YouTube video by David Rankin: “August 30th brought with it great atmospheric conditions for some large long lasting storms over Southern Utah. A massive thunderstorm stalled up this basin and dumped billions of gallons of water in around and hour and a half. This impressive flash flood / debris flow is what resulted from all of the rain. Do not upload this video to any other sites. Feel free to embed it from YouTube. Cheers!”