Avalanche forecast

Lyngen

NVE
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Avalanche danger

All elevations
2 · Moderate
Out of date — this forecast expired 5 months ago. You’re viewing past conditions, not the current bulletin.

Highlights

Updated 0830 am Saturday, due to avalanche activity Friday: Snowpack will feel in general stable, but sun and mild temperatures can trigger avalanches in all aspects. Large (size 3) avalanches cannot be ruled out, especially if deep persistent weak layers are moistened. Good timing is important, with regards to both good skiing and safety! Be cautious about slide accidents where the surface is frozen solid.

Be alert to the danger of cornice collapses. It is very difficult to predict when cornices will break — keep a safe distance! Cornice failures can trigger large avalanches on deeper weak layers that are otherwise very difficult to affect.

In north-facing high-alpine terrain, isolated pockets of faceted crystals may exist high in the snowpack beneath wind slabs. Where present, these layers can be easy to trigger.

Avalanche problems

  • Persistent weak layers

    • Above 900 m

Avalanche Activity

Updated 0830 am Saturday, due to avalanche activity Friday: Snowpack will feel in general stable, but sun and mild temperatures can trigger avalanches in all aspects. Large (size 3) avalanches cannot be ruled out, especially if deep persistent weak layers are moistened. Good timing is important, with regards to both good skiing and safety! Be cautious about slide accidents where the surface is frozen solid. Be alert to the danger of cornice collapses. It is very difficult to predict when cornices will break — keep a safe distance! Cornice failures can trigger large avalanches on deeper weak layers that are otherwise very difficult to affect. In north-facing high-alpine terrain, isolated pockets of faceted crystals may exist high in the snowpack beneath wind slabs. Where present, these layers can be easy to trigger.

Oppdatert kl 0830 lørdag: Sol og milde temperaturer gjør at skred kan løsne av seg selv i alle himmelretninger. Store solutløste flakskred kan ikke utelukkes, særlig dersom eldre vedvarende svake lag blir fuktet. Timing er svært viktig om man skal ut og legge spor i fjellet. Vær obs på utglidningsfare ved gjenfryst og glatt snøoverflate, særlig om morgenen og i skyggelagt terreng.

Vær oppmerksom på faren for skavlbrudd. Det er svært vanskelig å forutsi når skavler knekker - hold god avstand! Skavlbrudd kan løse ut store skred på dypere svake lag som ellers er svært vanskelig å påvirke.

I nordvendt terreng høyt til fjells kan det finnes fokksnøflak, som fortsatt kan være lett å løse ut dersom de hviler på nedføyket kant.

Snowpack Structure

Snøoverflaten er påvirket av siste dagers mildvær og sol. I bratte heng i sørlig sektor har solen påvirket snøen høyt til fjells. Selv i nordvendte heng er snødekket fuktet opp til 1500moh. Enkelte steder i lavlandet er det lite snø. Kantkorn kan finnes i spredte lommer under fokksnø høyt til fjells.

Eldre svake lag av kantkorn som ligg dypt i snøen er generelt vanskelige å påvirke. Men ved svært stor belastning, typisk skavlbrudd er det mulig med store skred på disse lagene.

Tendency

Sun and very mild temperatures can trigger avalanches in all aspects of the terrain. Large (size 3) avalanches cannot be ruled out if deep persistent weak layers become moistened and weakened.

Good timing is important for both skiing quality and safety. Be cautious of sliding accidents on frozen, hard surfaces.

Cornice collapses have occurred over the last few days and are expected to continue with warm spring conditions on Sunday. It is almost impossible to predict when and where cornices will fail, so keep a safe distance. Cornice failures can trigger large avalanches on deeper weak layers.

In north-facing high-alpine terrain, isolated pockets of faceted crystals may exist high in the snowpack beneath wind slabs. Where present, these weak layers can be easy to trigger.

Bulletin data: Norwegian Water Resources and Energy Directorate (NVE), varsom.no (NLOD)

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