bca TRACKER4 Manual Del Propietário página 9

This is a basic introduction to avalanche safety and awareness.
We encourage you to read this manual thoroughly. We strongly
suggest taking an avalanche course in your area before venturing
into the backcountry.
Before leaving, call your local avalanche forecast center and determine
the danger level in the area you intend to visit.
N
U.S. www.avalanche.org
Canada www.avalanche.ca
Europe www.lawinen.org
Figure B
Avalanche Forecasts
N
W
S
S
Bulletins from your local avalanche forecast center will enable you to
identify the avalanche problems to avoid when planning your route.
Avalanche Awareness
At the trailhead, check that each person has a working transceiver,
probe, and shovel—and knows how to use them. We also recommend
the use of avalanche airbags and two-way radios.
Learn to recognize avalanche terrain:
• Does this slope have a history of sliding?
• What is the angle and aspect of the slope?
• Will recent weather impact snow stability?
Learn to avoid avalanche terrain:
• Is there any evidence of recent avalanche activity?
• Is the slope angle between 30 and 45 degrees?
• Does the slope you plan to use have dangerous terrain traps
(rocks, trees, gullies, cliffs, etc.)?
Avalanche Awareness
E
Low
Moderate
Considerable
E
High
Low
Extreme
Moderate
Considerable Pockets of next danger level
High
Extreme
Pockets of next danger level
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