For those visiting the southwest for the first time, words of caution are in order. The typical dangers inherent in outdoor activities still exist- becoming lost, falls, animal encounters, inclement weather. But the southwest offers its own exciting possibilities for mishaps. Do not be alarmed by this- knowledge, common sense, and proper planning will keep you perfectly safe, and insure your safe return.
Flash Floods
Utah is occasionally subjected to locally heavy rainfall associated with summer thunderstorms. These heavy but short-lived storms can produce local flash floods in dry stream channels, as well as in perennial streams which create very dangerous situations for anyone caught in the path of the surging waters.
In Utah, flash floods typically occur when slow moving thunderstorms produce torrential rainfall. These floods can roll boulders, uproot trees, wash away roads and automobiles, destroy buildings and bridges and scour out new channels. Rapidly rising water can reach heights of 30 feet or more. Furthermore, flash flood-producing rains can also trigger catastrophic mud slides. Often there is no warning that these sudden, deadly floods are coming.
Flash Flood Safety Rules
If you are caught in a flash flood situation, follow these safety rules:
Head for higher ground and stay away from flood waters! Also stay out of areas that flood easily, such as dips, low spots, canyons, washes, etc.
Listen for distant thunder. Runoff from a faraway thunderstorm may be headed your way.
Monitor the water level of nearby streams for rapidly rising water.
Never try to walk, swim, or drive through swiftly moving high water. Six inches of fast moving flood water has the power to knock you off your feet, and a depth of two feet can float your car! If you come upon flood waters, stop, turn around and go another way.
Never camp along streams or in washes. Many flash flood deaths in Utah are due to people camping in these areas when a flash flood occurs.
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