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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Trollheimen Friday 28.04.2023

Danger level 3 - Considerable avalanche danger

Published:
Unstable conditions. Be careful in sun exposed steep slopes, the danger increases with temperature during the day. Storm slabs from yesterday are still unstable.
  • The danger is greatest from Friday afternoon

Avalanche problems

Wet snow (loose snow avalanches)

Avalanches may release spontaneously on some steep slopes. Avalanches can get large enough to bury a car or destroy a small house (size 3).

Loose snow

Wind drifted snow (slab avalanches)

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

Buried weak layer of new snow

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)

Thursday 27. April 2023

Ny snø har i høyden lagt seg over et generelt smelteomvandlet snødekke. Før siste ukens snøvær fantes tørr snø bare i nordsider på de høyeste toppene.

I høyden finnes stedvis kantkorn dypt i snødekket under hard og bærende fokksnø. Dette gjelder mest sannsynligvis kun i høyden mot nord.
Det ble også observert overflatekantkorn i skyggesider høyt til fjells før værskiftet på søndag.

Mountain weather

Thursday 27. April 2023

12 mm precipitation, up to 25 mm in the most exposed areas. Rain up to 500 m a.s.l during the afternoon. Strong breeze from northwest. -8 °C to -3 °C at 1400 m a.s.l. Cloudy.

Friday 28. April 2023

0-3 mm precipitation. Rain up to 500 m a.s.l during the afternoon. Breeze from west, changing to breeze from the southeast during the afternoon. -10 °C to -3 °C at 1400 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

Det har lokalt kommet mye snø de siste dagene. Kraftig solinnstråling kan gi naturlig utløste skred i mange solvendte heng. De fleste skred vil bli små eller middels store, men skred kan også bli store.
Fokksnøflak dannet i gårsdagens vind og snøvær vil fortsatt være ustabile og kan bli lettere å løse ut når solen ligger på. Det kan heller ikke utelukkes at det går store naturlig utløste flakskred i solsider.

Det er fare for glideskred gjennom hele døgnet. Slike skred kan bli store. Unngå opphold under glidesprekker.
Avalanche danger scale Important information for ski touring
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