Kane, Garfield counties at risk of flash flooding throughout night

SOUTHERN UTAH – The National Weather Service in Salt Lake City issued a “Flash Flood Warning” for south central Garfield County and eastern Kane County Friday night, effective until 2 a.m.

Dots indicate the area subject to the flood warning, 11:40 p.m., Southern Utah, June 5, 2015 | Photo courtesy of National Weather Service, St. George News | Click image to enlarge
Dots indicate the area subject to the flood warning, 11:40 p.m., Southern Utah, June 5, 2015 | Photo courtesy of National Weather Service, St. George News | Click image to enlarge

Doppler radar indicated a line of thunderstorms producing heavy rain over multiple drainages that flow into Lake Powell near Dangling Rope Marina. As of 8 p.m. Friday, widespread rainfall amounts between 0.75 inch and 1 inch had been recorded in the headwaters, with more on the way.

Some of the drainages include Warm, Last Chance, Croton, Coyote and Spooky.

These areas are very flash flood prone and dangerous during nighttime hours when thunderstorm activity is present.

Precautionary/preparedness actions

Anyone traveling near these areas through the nighttime hours is cautioned to use prudent judgment to ensure safety.

Turn around. Don’t drown.

Read more: Rescue commander tells how to survive a flash flood

The National Oceanic and Atmospheric Association and the National Weather Service offer safety rules for 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
  • 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, including dips, low spots, canyons, and washes
  • 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.

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Copyright St. George News, SaintGeorgeUtah.com LLC, 2015, all rights reserved.

 

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