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Avalanche warning for region Helgeland Wednesday 20.03.2024

Danger level 2 - Moderate avalanche danger

Published:
Wind slabs could sit on a persistent weak layer of facets or surface hoar. The distribution of this problem is somewhat uncertain. On isolated slopes avalanches could be easy to trigger.

Avalanche problems

Wind drifted snow (slab avalanches)

You can easily trigger avalanches on a few steep slopes. Avalanches can get large enough to bury or even kill you (size 2).

Buried weak layer of new snow

Persistent weak layer (slab avalanches)

You can easily trigger avalanches on a few steep slopes. Avalanches can get large enough to bury or even kill you (size 2). Remote triggering is possible.

Buried weak layer of faceted snow near surface
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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 19. March 2024

Det har kommet ca. 15 - 25 cm med nysnø siden sist torsdag. Dette har blitt preget av mildvær i lavlandet og sterk vind fra ulike retninger på snaufjell.

Før siste snøvær ble det observert kantkorn og rim i overflaten. Det er foreløpig usikkert om disse svake lagene ble ødelagt av vinden før de ble nedsnødd, eller om de nå ligger under nysnøen. Det finnes lag av kantkorn også lenger ned i snøen, men de er stort sett skjermet av hard fokksnø/skare.

Mountain weather

Tuesday 19. March 2024

No precipitation. Breeze from southwest, changing to fresh breeze from the southeast during the afternoon. -10 °C to -1 °C at 1100 m a.s.l. Cloudy.

Wednesday 20. March 2024

4 mm precipitation, up to 10 mm in the most exposed areas. Rain up to 700 m a.s.l Wednesday night. Fresh breeze from southwest. -6 °C to -1 °C at 1100 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

Skredfaren er knyttet til områder der fokksnøflak kan ligge på svake lag av kantkorn eller overflaterim. Utbedrelsen er dog noe usikker. Faretegn er typisk drønn og oppsprekkende snødekke.

Fokksnø som ikke ligger på vedvarende svake lag ventes å stabilisere seg raskt.
Avalanche danger scale Important information for ski touring
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