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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Hallingdal Tuesday 04.05.2021

Danger level 1 - Low avalanche danger

Published:
Generally stable conditions, but be careful in areas with soft slabs. A weak layer of buried surface hoar can be present underneath soft slabs in isolated features.

Avalanche problems

Persistent weak layer (slab avalanches)

You can very easily trigger avalanches on a few steep slopes. Avalanches are relatively harmless to people, but can knock you off balance. Can be dangerous close to terrain traps. (size 1) Remote triggering is possible.

Buried weak layer of surface hoar

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)

Monday 3. May 2021

Snøoverflaten er stort sett preget av hard skare med et dryss av nysnø oppå. Stedvis finnes lommer med fokksnø. Utover dagen kan snøoverflaten bli myk hvis sola tar, eller fordi temperaturen stiger. Under 1000 moh. er det begrenset med snø i sørsider. Mest snø i nordlig sektor.

Det er observert kantkorn under hard fokksnø enkelte steder og ved bakken. De svake lagene er så vanskelig å påvirke at de ikke regnes som et skredproblem før det blir mye varmere.

Kantkorn og rim er observert i overflata.

Mountain weather

Monday 3. May 2021

1-3 mm precipitation. Breeze from west. -12 °C to 0 °C at 1400 m a.s.l. Cloudy.

Tuesday 4. May 2021

3-6 mm precipitation. Breeze from east, changing to fresh breeze from the east during the afternoon. -14 °C to -1 °C at 1400 m a.s.l. 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

Litt vind og nysnø danner små fokksnøflak som kan være lett å løse ut, spesielt hvis de legger seg over rim eller kantkorn. Det er foreløpig stor usikkerhet rundt utbredelsen av kantkorn og rim i overflaten.

Vær obs på utglidningsfare i bratt terreng med hard skare. Der snøoverflaten mykes opp utover dagen, pga høyere temperaturer eller gløtt av sol, kan det løsne enkelte våte løssnøskred.
Avalanche danger scale Important information for ski touring
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