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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Voss Wednesday 13.01.2021

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

Tuesday 12. January 2021

Snøoverflaten varier fra løssnø i skogen til mer vindpåvirket snø i høyden. Det ligger fortsatt myk snø mange plasser i høyfjellet. Det har kommet 30-40 cm nysnø de siste dagene.

Nysnø og vind har dannet ferske flak over vedvarende svake lag med kantkorn og rim, som tidligere 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.

Kl 10 på tirsdag 12.01 blåste det 18 m/s fra nord i Myrkdalen (853 moh)

Mountain weather

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.

Wednesday 13. January 2021

Little to no precipitation. Fresh breeze from north, changing to breeze from the north during the afternoon. -16 °C to -6 °C at 1100 m a.s.l. Clear skies.

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

Fortsatt vind fra nord gir ferske fokksnøflak i leheng mot sør. Kraftig vind på tirsdagen dannet store fokksnøflak i sør og sørvestvendte leheng. Disse er lette å løse ut. Forholdene er krevende med vedvarende svake lag i snødekket. Fjernutløsning er mulig. Unngå utløsningsområder og utløpsområder for skred.
Avalanche danger scale Important information for ski touring
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