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Avalanche warning for region Sunnmøre Sunday 11.02.2018

Danger level 2 - Moderate avalanche danger

Published:
Generally stable conditions, but you should still be careful in areas with fresh wind deposited snow. Be aware that there can be pockets with persistent weak layer beneath wind deposited snow.

Avalanche problems

Wind drifted snow (slab avalanches)

You can easily trigger avalanches on some 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 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 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)

Sunday 11. February 2018

Det har kome omlag 10 cm nysnø over 300 meters høgde det siste døgnet med sterk vind frå S-SØ.

Snøoverflata forøvrig er vekselvis hard og mjuk, med ulike former for fokksnø. Enkelte stader er eldre skare blåst fram. Videre ned i snødekket finnes eldre fokksnøflak, skarelag og smelteformer.

Langvarig kaldt og klart vær i januar har ført til at det flere stader er utvikla kantkornlag over og under skarelag. Det har også vært danna rim i overflata, særlig i områder som har vært skjerma for vinden.

Det er observert svake lag i fokksnøen og det er løyst ut mindre harmlause skred ved skianlegget i Volda.

Mountain weather

Saturday 10. February 2018

2-5 mm precipitation. Fresh breeze from south, changing to moderate gale from the southeast during the afternoon. -10 °C to -4 °C at 1400 m a.s.l. Partly cloudy.

Sunday 11. February 2018

2-6 mm precipitation. Moderate gale from southeast, changing to strong breeze from the southeast during the evening. -11 °C to -3 °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

Pågåande vind frå SØ vil transportere snø som framleis ligg ubunden inn i SV-V-N-NØ renner, søkk og lesider. Dette vil auke pålagring og byggje fokksnøflak.

Der er og svake lag i eldre fokksnø og lag av kantkorn over 700moh.

Skredfaren vert vurdert til 2-moderat.
Avalanche danger scale Important information for ski touring
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