Slopes | Triggers | Gear and Rescue | avalanches | Terrain |
---|---|---|---|---|
They are likely to produce avalanches during or following cold winter like conditions
What are shady slopes?
|
1) Wind
2) Loading of a slope by snowfall 3) Clumps of snow falling off trees and rocks 4) Cornice's falling 5) Warming temperatures or rain
What are five natural triggers of a avalanche?
|
1) Transceiver
2) Shovel 3) Probe
What are three essential avalanche gear?
|
Slab avalanche
What is the most dangerous kind of avalanche?
|
1) It looks like a bowl
2) They get less steep as you ski them 3) they are safer but can still slide
What are three things about a concave
|
They are most likely to produce an avalanches in warm spring like conditions
What are the affects of the sun?
|
30-45 degrees
What degree does an avalanche trigger at?
|
A groups of trees or a large rock can provide limited shelter from avalanches.
What is an island of safety?
|
1) fences
2) Signs
What are 2 things they do to keep you safe?
|
They make injury or burial more likely, make escape from an approaching avalanche more difficult.
What are terrain traps?
|
1) Narrow ridges are safer but may be an issue if they are wind loaded and have cornices.
2) use benches and avoid steep slopes
What are good route selections?
|
They receive less snow and may be left with scoured appearance.
What are wind slopes?
|
1) It is used to pinpoint the location of the buried person
2) To find someone buried in a avalanche
How are a probe, and transceiver used?
|
1) the direction the slope faces
2) Clumps of snow that have fallen from trees indicate there has been wind or warming since the last snow.
What are some field observations?
|
They are only good to ski if the conditions are good.
What are gullies and bowls?
|
200 km/hr
What speed can a dry avalanche reach?
|
-located at the top of the path
-Often steeper than the path -little vegetation -Run out- the bottom of the path where the snow settles
What are the parts of an avalanche?
|
10%
What is the survival chance after 30 minutes?
|
1) Is the terrain prone to avalanche danger
2) Is the snow stable
what are two things in recognizing avalanche danger?
|
1) Low
2) Moderate 3) Considerable 4) High 5) extreme
What are the five levels to the avalanche danger scale?
|
1) Convex slopes get steeper as you ski them
2) They look like they are round 3) They care often trigger points 4) They have pressure pulling down on them
What are shape of the slopes?
|
- Monitor the weather
- take a more advanced level course - Go carefully, start small and make your way up
What are three things if there is no bulletins?
|
The conveyor method
What shoveling technique should you use?
|
1) dig a pit
2) use spotters 3) spread out
What are some safe travel practices when travelling through avalanche terrain?
|
They can provide cover and act as anchors
What is skiing in timber?
|