Avalanches in General | Plan Ahead | Triggers | Burial and Rescue | Miscellaneous |
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What are the three types of avalanches?
Dry, Wet, Slab
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Where can you check about Avalanche safety?
Avalanche bulletins
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Where is the greater for an avalanche? Above or below the tree line?
Above.
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What kind of shovel should you not have?
A plastic shovel.
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What can trees provide you in the case of an Avalanche?
A island of safety.
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What is the most dangerous type of avalanche?
Slab.
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Where can you find avalanche bulletins?
-avalanche.ca
-Internet |
What are the four main things needed to start an avalanche?
Slope, snow, weather, trigger.
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What is a probe?
A metal rod used to probe through avalanche debris for buried victims.
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What is some equipment you need to bring?
Shovel, prob, Avalanche airbag, helmet, Avalanche Transceivers.
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What are the three parts of an avalanche?
Starting zone- unstable snow fracture that starts the slide
Avalanche track- Path or channel that the snow follows down the hill Run out zone- Snow debris comes to a stop. |
What should you be looking for when you're in avalanche areas?
-Gullies and Bowls
-Terrain traps -Convex slopes -Find an island of safety -Any possible triggers |
What is the ideal slope angle for an avalanche?
between 30-45 degrees.
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How likely is survival after being buried for 20 minutes? (In percentage)
35%
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How can previous weather effect/cause an avalanche?
Rapid snow fall and sudden increase of temperature can be triggers for avalanches.
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What makes a convex slope dangerous?
-They have pressure pulling down on them.
-Think of them having not as much snow under them to support the snow. |
What kind of information do avalanche bulletins provide?
Incident Reports, where the slopes are, what class of slope and conditions for that day.
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What are the four main triggers?
Sudden noise, large amounts of snow in a short period of time, added weight (people), sudden rise in temperature.
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What are some necessary equipment for rescue in the case of an avalanche?
Probe, shovel, transceiver, beacons, satellite phones.
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What is an island of safety?
Somewhere the Avalanche can not get to you, a group of heavy trees.
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What is top speed for each type of avalanche?
Dry - 35km/h
Wet - 100km/h Slap - 200km/h |
What should be considered when planning a rout?
Previous weather, personal and group level of skill, amount of people in the group, types of equipment that you have available, avalanche history in the area.
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What are the three types of terrain to avoid in the back country?
Steep featureless slopes.
Convex shaped slopes. Channels and gullies. |
How many minutes do you have to save someone before they die of asphyxiation?
15-30 minutes.
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What is the drool test?
When you see a slope that you want to go on so badly, you are "drooling" just walk away. #Selfcontrol
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