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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Hallingdal Saturday 28.04.2018

Danger level 2 - Moderate avalanche danger

Published:
Persistent weak layers are a problem at high elevations. Wet avalanches can release in steep terrain in lower areas because of sun and high temperatures. Avoid areas with visible gliding cracks, release areas and run out areas for wet snow avalanches.

Avalanche problems

Persistent weak layer (slab avalanches)

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

Buried weak layer of faceted snow beneath a crust

Wet snow (loose snow avalanches)

You can easily trigger avalanches on some steep slopes. Avalanches are relatively harmless to people, but can knock you off balance. Can be dangerous close to terrain traps. (size 1)

Loose snow
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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)

Friday 27. April 2018

Snøoverflaten består av bærende skare, som sola antagelig vil myke opp utover dagen. Under skaren består snødekket stort sett av grovkorna fuktig snø til bakken. Det ligger flere dager gamle fokksnøflak i Ø-vendte leområder i høyden. Denne fokksnøen har vært gjennom smelte-fryse prosess de siste dagene.

Det kan fortsatt finnes kantkorn nede i snødekket høyt til fjells.

Noen små naturlig utløste våte løssnøskred de siste dagene.

Mountain weather

Friday 27. April 2018

No precipitation. Breeze from west. -7 °C to 0 °C at 1400 m a.s.l. Partly cloudy.

Saturday 28. April 2018

No precipitation. Breeze from northwest. -8 °C to -1 °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

Skredfaren endres lite lørdag. Der snøen fra tidligere i uka ligger som fokksnøflak kan denne påvirkes med stor tilleggsbelastning. Der sola får tak og nysnøen blir fuktig kan det gå våte løssnøskred. Mest sannsynlig vil det fortsette med nattefrost, dette gjør at snødekket stabiliseres om natten.
Avalanche danger scale Important information for ski touring
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