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Know it’s cold .2
 

Know it’s cold .2

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Preparing for the risks of cold water on the Columbia and Willamette Rivers

Preparing for the risks of cold water on the Columbia and Willamette Rivers

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Know it’s cold .2 Know it’s cold .2 Presentation Transcript

  • Know it’s cold Preparing for the risks of cold water on the Columbia and Willamette Rivers
  • Our water is cold Brrrrrr….. It’s cold in there
  • Snow fed rivers Creative Commons by Flickr user uyen.tran http://flickr.com/photos/dopeshit/339228636/sizes/l/
  • Our water is cold
    • Less than 60 °F most of the year
    • Less than 50 °F 4-6 months
    … make for cold rivers
  • Our water is cold Whoops … and there are so many ways to go in
  • Our water is cold Your vessel can sink
  • Our water is cold Your vessel can capsize
  • Our water is cold Your can fall overboard
  • Our water is cold Your can be ejected at speed
  • Our water is cold Or you can simply misstep
  • Our water is cold Once you are in … things can go downhill very quickly
  • Gasp reflex Cold water causes a gasp on contact which often results in inhalation of water
  • A little bit of inhaled water will set you to coughing which usually leads to more inhaled water…
  • … and you can drown with only 5 ounces of water in your lungs
  • Cold shock In seconds to minutes you will begin to experience shock with very rapid breathing while your heart rate and blood pressure will increase.
  • Cold shock These factors reduce your physical and mental abilities making it very difficult to rescue yourself
  • Swim failure After as little as 3 minutes there is a loss of coordination in your limbs and you loose the ability to hold your breath
  • Swim failure You will be unable to maintain a body position that allows swimming
  • Hypothermia
  • 25X 1X Water is 25 times more effective than air at thermal transfer so your body cools very rapidly
  • Hypothermia At some point your body is no longer able to regulate your core temperature which, untreated will result in death
  • Post rescue collapse Even after rescue the effects of hypothermia can cause death, seek medical attention after any prolonged cold water exposure
  • Our water is cold Prevention What to do to protect yourself
  • Know the risks Understand the effects of cold water and how you may end up in it
  • Boat smart
    • Take a class
    • Choose an appropriate vessel for the conditions
    • Operate safely
    • Know your waterways
    • Be able to communicate (VHF, PEPIRB)
    • Know the weather
    • Stay aware
    • Don’t boat alone
    • … and
  • Life Jacket ALWAYS wear your
  • Prepare for the cold
  • Our water is cold Dry suit What is he wearing?
  • Our water is cold Because we have learned the hard way that hypothermia protection save lives Why?
  • Our water is cold When: Coast Guard requirements for USCG boat operations Rescue and Survival Systems Manual COMDTINST M10470.10E
  • Our water is cold Water temperature under 60 °F Water & air temperature under 50 °F Anti-exposure coverall Dry suit
  •  
  • Be prepared