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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Lyngen Tuesday 13.04.2021

Danger level 2 - Moderate avalanche danger

Published:
Avoid lee areas with newly deposited wind slabs. There are persistent weak layers in the snowpack, but these are hard to trigger. Loose snow avalnches are expected in sun-exposed slopes.

Avalanche problems

Wind drifted snow (slab avalanches)

You can easily trigger avalanches on a few steep slopes. Avalanches can get large enough to bury a car or destroy a small house (size 3).

Buried weak layer of new snow

New snow (loose snow avalanches)

on some steep slopes. Avalanches can get large enough to bury or even kill you (size 2).

Loose snow

Persistent weak layer (slab avalanches)

You can trigger avalanches on a few steep slopes. Avalanches can get large enough to bury a large truck or destroy several houses (size 4).

Buried weak layer of faceted snow beneath a crust
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Below you can see a description of the current snow cover information and current weather forecast in the mountains. If your observations deviate greatly from what is described here, the warning will not necessarily apply either. Always make your own judgments or stay away from avalanche terrain.

Snow cover (in Norwegian)

Tuesday 13. April 2021

Frå laurdags ettermiddag har det kome ein del nysnø tidvis i kombinasjon med vind. Under tregrensa er det fuktig snø, medan det over tregrensa er tørr vindpåverka snø. Stadvis er det avblåst til bakken.

Over ca. 700 moh er det eit kantkornlag djupt i det gamle snødekket, men dette er vanskeleg å påverke. I slutten av påska hadde det starta å utvikla seg kantkorn mellom siste mildværsskare og fokksnø vest i regionen, men det er ikkje observasjonar på at dette har gitt skred eller fareteikn, og dermed er det ikkje rekna å vere eit skredproblem.

Tidleg i førre veke vart det observert fleire middels, store og eit par svært store naturleg utløste skred.

Mountain weather

Monday 12. April 2021

4-6 mm precipitation. Fresh breeze from west, changing to breeze from the west during the afternoon. -11 °C to -4 °C at 1100 m a.s.l. Partly cloudy.

Tuesday 13. April 2021

1-4 mm precipitation. Breeze from southwest, changing to fresh breeze from the southwest during the evening. -17 °C to -6 °C at 1100 m a.s.l. Partly cloudy.

Advice

The bulletin is a planning tool and may differ from the actual situation. Always make your own evaluation. To be 100 % avalanche safe, avoid all avalanche terrain.

Avalanche risk assessment

OPPDATERT 13.04.21 kl 09: Fokksnøflak som er danna dei siste dagane vil starte å stabilisere seg. Det vil likevel vere enkelt å løyse ut skred enkelte stadar, og på kvelden kan nye flak dannast grunna vindauke. I solvendte heng er det venta naturleg utløyste laussnøskred.

Skred kan også påverke vedvarande svake lag djupare i snødekket og gi større skred (step-down-effekt). Generelt er vedvarande svake lag vanskelege å påverke no.
Avalanche danger scale Important information for ski touring
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