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Avalanches By: Maegan , Michelle and Siera

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Avalanches. By: Maegan , Michelle and Siera. There is no way of predicting avalanches. There is also no way to measure avalanches because they move so quickly. Predicting and Measuring. Avalanches are caused by tight snow pack suddenly released by natural or human causes. Causes. - PowerPoint PPT Presentation

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Page 1: Avalanches

AvalanchesBy: Maegan , Michelle

and Siera

Page 2: Avalanches

Predicting and Measuring

There is no way of predicting avalanches.

There is also no way to measure avalanches because they move so quickly.

Page 3: Avalanches

Causes

Avalanches are caused by tight snow pack suddenly released by natural or human

causes.

Page 4: Avalanches

Safety

To be safe when an avalanche strikes you should always wear a helmet.

Ski and snowboard with a friend.

Don't be stupid!!

Page 5: Avalanches

Facts• Avalanche: A mass of loosened snow,

ice, and/or earth suddenly and swiftly sliding down a mountain.

• In practice, assumed to be a snow avalanche unless another term such as ice,rock, mud, etc is used.

Page 6: Avalanches

Facts Cont.

• Of the major avalanche hazards, the interruption of communications lines probably occursmost frequently. Places of highest hazard include ski areas, mountain passes, and otherareas where transmission lines cross avalanche paths. In regions where important.

Page 7: Avalanches

Facts Cont.

•highways or railroads cross areas subject to frequent snow slides, these losses result from blocked roads, buried railroad tracks, and destroyed bridges can reach into the millions of dollars in damage.

Page 8: Avalanches

Facts Cont.

• Each year, avalanches claim more than 150 lives worldwide, a number that has been increasing over the past few decades. Thousands more are caught in avalanches, partly buried or injured. Everyone from snowmobilers to skiers to highway motorists are caught in the "White Death." Most are fortunate enough to survive.

Page 9: Avalanches

Video

• http://dsc.discovery.com/videos/raging-planet-three-types-of-avalanches.html

http://dsc.discovery.com/videos/mythbusters-avalanche-launch.html

Page 10: Avalanches

Facts

• Avalanches can be set off by one person.

• They can start off harmless and end up deadly.

• They can be small or huge!

Page 11: Avalanches

Warnings

• We really don't have a way to predict when an avalanche will happen.

• They are usually caused by human activity.

Page 12: Avalanches

THE END!!!

Page 13: Avalanches

NOT!!! HA HA HA!! (LISTEN 2 THE

SONG!!) :]