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Know it’s cold .2

Know it’s cold .2



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