ZION NATIONAL PARK – The National Weather Service has issued a “Flash Flood Warning” for west-central Kane County and east-central Washington County in effect until 8p.m.
Conditions – At 4:51 p.m. today, the NWS Doppler radar indicated very heavy rain from a thunderstorm over the southeastern portion of Zion National Park, with radar rainfall estimates in excess of one inch.
Timing – This warning in effect until 8 p.m. today.
Affected areas – Zion National Park, specifically Pine Creek, Clear Creek, Spry Canyon and Keyhole Canyon.
Precautionary and preparedness actions
The National Oceanic and Atmospheric Association and the National Weather Service offer safety rules for flash flooding:
- Conditions may develop that lead to flash flooding. Flash flooding is a very dangerous situation.
- Flash flood waves, moving at incredible speeds, can roll boulders, tear out trees, destroy buildings and bridges, and scour out new channels. Killing walls of water can reach heights of 10 to 20 feet. You will not always have warning that these deadly, sudden floods are coming. When a flash flood warning is issued for your area or the moment you first realize that a flash flood is imminent, act quickly to save yourself. You may have only seconds.
- Most flood deaths occur in automobiles. Do not drive your vehicle into areas where the water covers the roadway. Flood waters are usually deeper than they appear. The road bed may not be intact under the water. Just one foot of flowing water is powerful enough to sweep vehicles off the road. If the vehicle stalls, abandon it immediately and seek higher ground. Rapidly rising water may engulf the vehicle and its occupants and sweep them away. Case in point: In July 2013 a tour bus in Arizona tipped over and got swept nearly one-half mile down an otherwise dry wash.
Do not hike rivers and especially slot canyons while flash flood warnings are in place.
Do not hike alone and always tell someone where you and your buddy and others are going.
Get out of areas subject to flooding. This includes dips, low spots, canyons, washes, et cetera.
Avoid already flooded and high velocity flow areas. Do not try to cross a flowing stream on foot where water is above your knees.
- Be especially cautious at night when it is harder to recognize flood dangers.
- Do not camp or park your vehicle along streams and washes, particularly during threatening conditions.
- During any flood emergency, stay tuned to your NOAA weather radio, commercial radio, or television, follow St. George News at STGnews.com and St. George News Facebook for weather alerts and updates relevant to Southern Utah. Information from the national weather service and disaster and emergency services may save your life.
Turn around, don’t drown.
Related posts – Storm, flash flooding
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- Tour bus gets swept down wash after heavy rains
- UPDATED: Summer storm floods Coral Canyon homes; STGnews Videocast
- Flash flooding meets River Road near Southern Parkway; Videocast, STGnews photo gallery
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