Take the time to answer these questions regarding photos and videos of a few avalanches.
Using some weather history and visual clues, it is often possible to determine what type of avalanche problem caused a particular avalanche from a photograph or video. Review the following photos and videos. Attempt to determine the avalanche problem present when these photos/videos were taken.
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These skiers triggered this avalanche on their descent, halfway down the run and mid-slope. Looking at the photographs and the debris, what kind of avalanche problem do you think created this avalanche?
The debris in the top photo is from the large avalanche in the bottom picture. What type of avalanche problem do you think caused this avalanche?
What is the best information to help you determine if a persistent or deep persistent avalanche problem exists?
There has been a 2 day storm in your local mountain range and two feet of snow has fallen. The temperature trend of the storm went from cold to warm. You have heard reports of several natural and skier triggered avalanches in the backcountry. These avalanches are failing within the new snow.
What avalanche problem are you dealing with?