with terrifying speed an avalanche can Rumble down a mountain slope burying
Rumble down a mountain slope burying
Rumble down a mountain slope burying everything in his path under a lethal
everything in his path under a lethal
everything in his path under a lethal blanket of snow
blanket of snow
blanket of snow each year about 150 people in Europe and
each year about 150 people in Europe and
each year about 150 people in Europe and North America die from avalanches large
North America die from avalanches large
North America die from avalanches large ones can wipe out forests and erase our
ones can wipe out forests and erase our
ones can wipe out forests and erase our mountain villages avalanches come in
mountain villages avalanches come in
mountain villages avalanches come in many forms some called Slough consists
many forms some called Slough consists
many forms some called Slough consists of sliding loose snow others called slab
of sliding loose snow others called slab
of sliding loose snow others called slab avalanches occur when large sections of
avalanches occur when large sections of
avalanches occur when large sections of the snowpack crack off and crash down
the snowpack crack off and crash down
the snowpack crack off and crash down the slope as snow falls it builds up
the slope as snow falls it builds up
the slope as snow falls it builds up layer upon layer with enough time the
layer upon layer with enough time the
layer upon layer with enough time the layers will harden and bond to one
layers will harden and bond to one
layers will harden and bond to one another but when layers formed weak
another but when layers formed weak
another but when layers formed weak bonds any new snow falls on an unstable
bonds any new snow falls on an unstable
bonds any new snow falls on an unstable foundation and waits for the right
foundation and waits for the right
foundation and waits for the right trigger avalanches are caused by sudden
trigger avalanches are caused by sudden
trigger avalanches are caused by sudden changes a heavy snowfall strong winds or
changes a heavy snowfall strong winds or
changes a heavy snowfall strong winds or a rapid change in temperature the shape
a rapid change in temperature the shape
a rapid change in temperature the shape and angle of the slope are important
and angle of the slope are important
and angle of the slope are important factors slopes over 60 degrees are
factors slopes over 60 degrees are
factors slopes over 60 degrees are usually too steep slopes under 25
usually too steep slopes under 25
usually too steep slopes under 25 degrees or too gentle the danger zone
degrees or too gentle the danger zone
degrees or too gentle the danger zone comes between 30 and 45 degrees just
comes between 30 and 45 degrees just
comes between 30 and 45 degrees just where people like to ski and sled 90% of
where people like to ski and sled 90% of
where people like to ski and sled 90% of avalanche victims died because they or
avalanche victims died because they or
avalanche victims died because they or someone with them accidentally trigger
someone with them accidentally trigger
someone with them accidentally trigger an avalanche contrary to popular opinion
an avalanche contrary to popular opinion
an avalanche contrary to popular opinion loud noises like yelling won’t trigger
loud noises like yelling won’t trigger
loud noises like yelling won’t trigger avalanche in most cases it’s the sudden
avalanche in most cases it’s the sudden
avalanche in most cases it’s the sudden weight of a skier or snowmobiling that
weight of a skier or snowmobiling that
weight of a skier or snowmobiling that makes the surface unstable then the
makes the surface unstable then the
makes the surface unstable then the Avalanche descends at speeds up to 80
Avalanche descends at speeds up to 80
Avalanche descends at speeds up to 80 miles an hour
miles an hour
miles an hour as winter sports become more popular
as winter sports become more popular
as winter sports become more popular avalanches pose more of a threat ski
avalanches pose more of a threat ski
avalanches pose more of a threat ski patrols now monitor popular slopes to
patrols now monitor popular slopes to
patrols now monitor popular slopes to prevent avalanches from ever happening
prevent avalanches from ever happening
prevent avalanches from ever happening cannons fire explosives as slam into
cannons fire explosives as slam into
cannons fire explosives as slam into snow bags to trigger small avalanches
snow bags to trigger small avalanches
snow bags to trigger small avalanches before the build-up becomes a problem
before the build-up becomes a problem
before the build-up becomes a problem [Music]
[Music]
[Music] search-and-rescue teams practice
search-and-rescue teams practice
search-and-rescue teams practice locating and digging out people trapped
locating and digging out people trapped
locating and digging out people trapped underneath the snow but ultimately it’s
underneath the snow but ultimately it’s
underneath the snow but ultimately it’s up to every person to watch out when
up to every person to watch out when
up to every person to watch out when they’re on the slope so pay attention to
they’re on the slope so pay attention to
they’re on the slope so pay attention to the weather look for warning signs learn
the weather look for warning signs learn
the weather look for warning signs learn what to do in an emergency because
what to do in an emergency because
what to do in an emergency because everything change in just a few seconds
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