Avalanche warning for region Trollheimen Wednesday 22.02.2023

Avalanche Problems

• Dry slab avalanche • Poor bonding between layers in wind deposited snow • Within half a meter • The collapsing weak layer is thin < 3 cm. The overlying slab is soft. A big and identifiable crystal in the weak layer. • Very difficult to trigger • 1 - Small • Few steep slopes SE, S between 1000 masl and 900 masl • Liten forplantningsevne - krever stor tilleggsbelastning.

Avalanche Problems

• Dry slab avalanche • Poor bonding between layers in wind deposited snow • Within half a meter • The collapsing weak layer is thin < 3 cm. The overlying slab is soft. A big and identifiable crystal in the weak layer. • Very difficult to trigger • 1 - Small • Few steep slopes SE, S between 1000 masl and 900 masl • Lite forplantingsevne

Avalanche Problems

• Loose wet avalanche • Loose snow • Spontaneous release • 1 - Small • Some steep slopes W between 800 masl and 700 masl

Avalanche Problems

• Dry slab avalanche • Buried weak layer of new snow • Within half a meter • The overlying slab is soft. A big and identifiable crystal in the weak layer. • Easy to trigger • 2 - Medium • Few steep slopes N, NE, E, SE, S, SW above 1000 masl

• Dry slab avalanche • Buried weak layer of faceted snow beneath a crust • Within half a meter • The weak layer collapses easily and clean (easy propagation). The overlying slab is soft. A big and identifiable crystal in the weak layer. • Easy to trigger • 2 - Medium • Few steep slopes N, NE, E, SE, S, SW, W, NW between 1100 masl and 800 masl • Det er gode forhold for danning av kantkorn. Der skaren er til stede er kantkorndanning i gang.

Avalanche Problems

• Dry slab avalanche • Buried weak layer of faceted snow beneath a crust • Within half a meter • The weak layer collapses easily and clean (easy propagation). The collapsing weak layer is thin < 3 cm. The overlying slab is soft. A big and identifiable crystal in the weak layer. • Easy to trigger • 2 - Medium • Few steep slopes N, NE, E, SE, S, SW, W, NW between 1100 masl and 800 masl • Får et par drønn til på rundt 1000 moh. Det er der det ligger flak på skare. Over 1050 finner jeg ikke drønn og finner heller ikke skaren utbredt, med unntak av på toppen av snødekket. I skoggrense

Avalanche Problems

• Dry slab avalanche • Poor bonding between layers in wind deposited snow • Within half a meter • The collapsing weak layer is thin < 3 cm. The overlying slab is soft. A big and identifiable crystal in the weak layer. • Very difficult to trigger • 2 - Medium • Some steep slopes SE, S, SW between 900 masl and 700 masl

Avalanche Problems

• Dry slab avalanche • Poor bonding between layers in wind deposited snow • Within half a meter • The collapsing weak layer is thin < 3 cm. The overlying slab is soft. A big and identifiable crystal in the weak layer. • Very difficult to trigger • 2 - Medium • Some steep slopes SE, S, SW

Avalanche Problems

• Dry slab avalanche • Poor bonding between layers in wind deposited snow • Within half a meter • The collapsing weak layer is thin < 3 cm. The overlying slab is soft. A big and identifiable crystal in the weak layer. • Very difficult to trigger • 2 - Medium • Some steep slopes SE, S, SW between unknown masl and unknown masl

Avalanche Problems

• Loose wet avalanche • Loose snow • Spontaneous release • S

Avalanche Problems

• Dry slab avalanche • Poor bonding between layers in wind deposited snow • Within a meter • The overlying slab is soft. • Easy to trigger • 2 - Medium • Some steep slopes N, NE, E, SE, S above unknown masl

Avalanche Problems

• Dry slab avalanche • Buried weak layer of new snow • Within half a meter • The weak layer collapses easily and clean (easy propagation). The overlying slab is soft. A big and identifiable crystal in the weak layer. • Very easy to trigger • 3 - Large • Some steep slopes NE, E, SE, S, SW above 700 masl • Naturlig utløst kan forventes i få bratte heng selv om faren avtar til fjells når snøen får ligge i ro. Under mildværsgrensa øker farennog der det kommer regn.