Flash floods are rare. Rapid formation of a modern bedrock canyon by a single flood event. Find typical and current weather conditions in Zion, as well as the flow rate of the Virgin River and the flash flood potential forecast. flash flood; the next day's speeding ticket for Marietta outside. Arizona · Slot Canyon. The entrance of Upper Antelope Canyon, a slot canyon, carved out of Navajo sandstone by countless flash floods. Fluvial erosion of physically modeled abrasion dominated slot canyons. In September of this year eight people drowned in a slot canyon flood. Two men were found dead and another was rescued after bad weather triggered a flash flood in Buckskin Gulch, a narrow gorge. Nature Geoscience. Outburst floods in mountainous landscapes traverse complex topography and interact with the channel and valley walls, producing intense flow. Only have a few hours and want a diverse hike with beautiful views, ledge traverses and time in a slot canyon? Flash Flood Potential. Flash flood from cloudburst 15 miles away fills narrow Antelope Canyon, Ariz, with wall of water 11 feet high, trapping 12 hikers;. Flash flood is a common type of disaster in mountainous area, Flash flood canyon is the result of the very last flood event that poured through the Kasei. .