Danger Sign
• Whumpf sound • Several "whumpfs" noted, quite deep in snowpack.
Avalanche Activity
• 5. Apr. During the day • No avalanche activity
Snow Cover
• 220 cm • Moderate snow drift • variable snow depths observed, 115-225cm.
Tests
• CTE24@75cm(Q1) • Good • 760moh, vest, 30°. Failure on facets/kantkorn over crust/skare
Avalanche Problems
• Dry slab avalanche • Buried weak layer of faceted snow above a crust • Over one meter • Difficult to trigger • Possible • 3 - Large • Some steep slopes N, NE, E, SE, S, SW, W, NW • Profile location: weak layer down less than 1m.
Generally more than 1m.
• Dry slab avalanche • Poor bonding between layers in wind deposited snow • Easy to trigger • Possible • 2 - Medium • N, NE, E, W, NW
Avalanche Danger Assessment
• The hazard rating is more difficult to pin down now than usual. One the one hand I observed no new natural activity and hard results in pit, on the other hand we know the weak layers are active to skier triggering. Around Sorbmegaisa it felt like trending towards 2, but I would still ski it like its 3, with low confidence. • Settlement of both windslab (fokksnø) and increasing bonding of weak layers and the snow above. We are moving slowly into a lower likelihood - higher consequence situation. • 3 Considerable • Forecast correct
Notes
• Skied Sorbmegaisa (up N ridge, down S ridge).