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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Voss Tuesday 12.01.2021

Danger level 3 - Considerable avalanche danger

Published:
Avoid leeward slopes, wind deposited snow are covering persistent week layer. Beware of alarm signals like shooting cracks and collapsing snow.

Avalanche problems

Persistent weak layer (slab avalanches)

You can easily trigger avalanches on many 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

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 11. January 2021

Snøoverflaten varier fra løssnø i skogen til mer vindpåvirket men fortsatt myk snø i høyden. Det har kommet 20-40 cm de siste dagene. Før siste snøfall var snødekket tynt.

Nysnø og vind fra sør-vest og vest har trolig dannet ferske flak over vedvarende svake lag med kantkorn og rim, som lå i overflaten. Det er usikkerhet rundt utbredelsen til vedvarende svake lag.

Det finnes også eldre kantkornlag dypere i snødekket, men dette ligger i stor grad under bærende snø.

Mountain weather

Monday 11. January 2021

5 mm precipitation, up to 10 mm in the most exposed areas. Breeze from southwest. -11 °C to -5 °C at 1100 m a.s.l. Cloudy.

Tuesday 12. January 2021

3 mm precipitation, up to 10 mm in the most exposed areas. Fresh breeze from northwest. -17 °C to -7 °C at 1100 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

Økende og dreiende vind gir ferske fokksnøflak i leheng mot sørøst. Noen plasser vil fokksnøflakene legge seg på vedvarende svake lag av rim og kantkorn. Flakene vil være lette å løse ut. Der det legger seg fersk fokksnø kan det gå naturlig utløste skred. Fjernutløsning er mulig.
Avalanche danger scale Important information for ski touring
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