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Image 1 of 10 Of:  Danger Sign Copyright:  Hiraier Comment:  Ferskt skred i terreng under 30 grader
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Image 2 of 10 Of:  Danger Sign Copyright:  Hiraier Comment:  Skavel som har knekt og skred lenger bak i bilde
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Image 3 of 10 Of:  Danger Sign Copyright:  Hiraier Comment:  Skytende sprekker danner her flak på 15-20 cm tykkelse.
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Image 4 of 10 Of:  Danger Sign Copyright:  Hiraier Comment:  Stort på område ca. 30x50m fjernutløst flyttet seg 20 cm i helning opp mot 20 grader
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Image 9 of 10 Of:  Avalanche Activity Copyright:  Hiraier Comment:  Skavel som har fallt fremst i bildet og naturlig utløste skred lenger bak i bildet
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Avalanche Observation
• 18. Dec 12:00 (+01:00) • Dry slab avalanche • 3 - Large • Human triggered • SE-facing • Avalanche release at 1106 masl and ended at 1100 masl • Poor bonding between layers in wind deposited snow • 20 cm high and 30 m wide fracture • Close to ridge • Was remotely triggered
Incident
• Backcountry skiing • Lives in county • Many times on the trip before • Everyone in the group • Ascending • 2 • 0 • 0 • 0 • 0
Avalanche Activity
• 18. Dec. 18-24 (+01:00) • Dry slab avalanche • Few (2-5). 2 - Medium. Spontaneous release • Some steep slopes. SE. Above 1000 masl
Weather
• No precipitation • -2 °C • 10 m/s from N ↓
Snow Cover
• 100 cm • Some snow drift • 5 cm • Elevation of new snow 0 masl. Snow line at 0 masl • Much loose snow (10-30cm) • Dry • Very Good • Lagdelt snø. Tørrelag bestående av løssnø og fokksnø.
Snow Profile
• SE • 30° • 3 tests connected to snow profile • Persistent weak layer: below soft slab
Avalanche Problems
• Dry slab avalanche • Buried weak layer of new snow • Within a meter • The weak layer collapses easily and clean (easy propagation). • Very easy to trigger • 3 - Large • Some steep slopes SE above 1000 masl
Avalanche Danger Assessment
• Naturlig utløste skred i heng opp mot 30 grader. Skytende sprekker som danner store flak.
Store sjanser for fjernutløsning av skred. • 5 Extreme • Forecast too low • Ingen ovservasjoner var gjort i området på gjeldende tidspunkt