Avalanche - Canadian Classification For Avalanche Size

Canadian Classification For Avalanche Size

The Canadian classification for avalanche size is based upon the consequences of the avalanche. Half sizes are commonly used.

Size Destructive Potential
1 Relatively harmless to people.
2 Could bury, injure or kill a person.
3 Could bury and destroy a car, damage a truck, destroy a small building or break a few trees.
4 Could destroy a railway car, large truck, several buildings or a forest area up to 4 hectares.
5 Largest snow avalanche known. Could destroy a village or a forest of 40 hectares.

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