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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