| Types and triggers. | Stats | What you need to know. | How to survive | Random |
|---|---|---|---|---|
|
Wind, Loading of a slope by snowfall, warming temperatures, rain, cornice's failing, clumps of snow falling off trees, rock fall.
What is a Natural Trigger? 3 examples.
|
Dry: 200km/hr
wet: 100km/hr
What speeds can avalanches hit?
|
Scoured like.
What do wind blown slopes look like?
|
Smaller ones.
What slopes do you want to cross?
|
To find people.
What is the function of a probe?
|
|
1) Start from something that can release heat.
2) Start when a small amount of snow the size of a snowball slips and begins to slide
What is Point release? 1 answer.
|
At 35km/hr
When do dry avalanches make powder clouds?
|
Where snow from wind blown slopes go.
What is a lee slope?
|
rounded.
What do convex slopes look like?
|
to find buried people
What is the purpose of an avalanche transceiver?
|
|
Hard snow sliding as a whole, before breaking up.
What is a Slab Avalanche?
|
Start zone-located at the top of the path.
-it is often steeper then the track. -often is shaped or oriented so it tends to accumulate wind-deposits of snow -30-45 degree angle -little vegetation Track-area the avalanche travels down. Often narrower. -under 30 degrees -steep enough to maintain the snow but not steep enough to trigger Run out-the bottom of the path where the snow settles -the area to check for survivors
Parts of an avalanche:
|
Weaker snow, more likely to fall in spring.
What is the danger of sunny slopes?
|
at the top
where to cross concave slopes?
|
to be dug up by the group you were traveling.
Your best chance at survival after being buried?
|
|
Often Larger, triggered by weak layers
What is some generalizations about Slab avalanches?
|
30-45 degrees.
Ideal avalanche slopes
|
During colder conditions.
when are you most likely to be at risk from shady slopes?
|
No escape, get buried deeper.
why to avoid gullies and bowls?
|
Shovel, probe, transceiver.
3 essential pieces of rescue equipment?
|
|
Explosives, skiers, snowmobile-rs, snowboarders, ice climbers.
What are some Artificial Triggers?
|
Little to no vegetation, wide smooth area.
Sloped.
Recognizing paths:
|
At higher altitudes.
Where are avalanches most dangerous?
|
It may not be stable.
Why to be careful on rough terrain?
|
Shock, suffocation, trauma.
How do most people die in an avalanche?
|
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