Sluff

Size 1: Sluff

  • minimal danger of burying (danger of falling)
  • snow relocation typically stops before the end of a slope

Small avalanche

Size 2: Small avalanche

  • could bury, injure or kill a person
  • snow avalanche stops typically at the end of a slope

     

Medium avalanche

Size 3: Medium avalanche

  • could bury and destroy a car, damage a truck; destroy a small building or break a few trees
  • snow avalanche could traverse flat terrain (considerably below 30°) over distances of less than 50 m

     

Large avalanche

Size 4: Large avalanche

  • could bury and destroy a railway car, large truck, several buildings or a piece of forest
  • snow avalanche traverses flat terrain (considerably below 30°) over distances more than 50 m and can reach valley ground

     

Very large avalanche

Size 5: Very large avalanche

  • could gouge the landscape; disastrous damage potential
  • snow avalanche reaches valley ground; largest runout distance known