Avalanche warning for region Tromsø Wednesday 29.04.2020

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. • Easy to trigger • 2 - Medium • Some steep slopes N, NE, NW above 300 masl

Avalanche Problems

• Loose wet avalanche • Spontaneous release • 1 - Small • Some steep slopes SE, S, SW, W • Solpåvirkning, men mest på ettermiddag etter nattefrost sist natt

Avalanche Problems

• Dry slab avalanche • Buried weak layer of new snow • Within half a meter • Difficult to trigger • 2 - Medium • Few steep slopes N, NE, W, NW above 600 masl

• Loose wet avalanche • Loose snow • Spontaneous release • 2 - Medium • Few steep slopes E, SE, S, SW, W below 600 masl • Timing er kritisk ifht til sol oppvarming i bratte heng for å utløse skred

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 collapsing weak layer is thin < 3 cm. The overlying slab is soft. • Easy to trigger • 2 - Medium • Some steep slopes N, NE, E, SE, S, SW, W, NW above 400 masl • Velger alle sektorer da dt har vært veldig varierende vind retninger