Imagine driving a car in a cold winter on an icy highway. There may be a storm coming soon, so you're in a hurry to get home. The blizzard is already close. But this is not the worst thing! An avalanche is coming down ahead! What is this?! Will you be able to escape? Can you get out? Watch our video to know how to behave in such situations! An incredible experience!
An avalanche is a rapid flow of snow down a slope, such as a hill or mountain.
Avalanches can be set off spontaneously, by such factors as increased precipitation or snowpack weakening, or by external means such as humans, animals, and earthquakes. Primarily composed of flowing snow and air, large avalanches have the capability to capture and move ice, rocks, and trees.
Avalanches occur in two general forms, or combinations thereof: slab avalanches made of tightly packed snow, triggered by a collapse of an underlying weak snow layer, and loose snow avalanches made of looser snow. After being set off, avalanches usually accelerate rapidly and grow in mass and volume as they capture more snow. If an avalanche moves fast enough, some of the snow may mix with the air, forming a powder snow avalanche.
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