Jump to content

IFMGA guides in the Lyngen area: Join the daily online guide-meetings: guidemeeting.no

We recomend that all skiers download the free Varsom app on App Store or Google Play.

Read more about how to read and share observations on Varsom app and Regobs system | Varsom.no.

Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Sør-Troms Monday 08.01.2018

Danger level 3 - Considerable avalanche danger

Published:
Strong winds and heavy snowdrift is expected. There is a persistent weak layer buried in the snow pack that may be triggered by a skier or snowmobile. Remote triggering possible on hotspots or on convex terrain where the snow cover is thin.

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 surface hoar

Wind drifted snow (slab avalanches)

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

Buried weak layer of new snow

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 7. January 2018

Både torsdag og fredag ble det rapportert om nysnø og snøbyger. Det er store forskjeller i nysnømengdene i regionen, alt fra 5-10 cm til 20-30 cm.

Under tregrensa ligger det opp til 50 cm løs snø. Over ligger det stedvis hard og myk fokksnø, stort sett som myke og små flak.

Mildvær før jul nullstilte det gamle snødekket, som ligger stabilt under den nye snøen.

Tirsdag og onsdag ble det observert nedsnødd/nedføyket overflaterim med store velutviklede krystaller fra kuldeperioden i romjula.

Fredag ble løst ut et mindre (str. 1,5) flakskred av skiløpere vest for Harstad. Skredet gikk trolig på et svakt lag av nysnø.

Mountain weather

Sunday 7. January 2018

10 mm precipitation, up to 20 mm in the most exposed areas. Fresh breeze from west, changing to moderate gale from the southwest during the evening. -12 °C to -5 °C at 1100 m a.s.l. Cloudy.

Monday 8. January 2018

8 mm precipitation, up to 15 mm in the most exposed areas. Gale from northwest, changing to fresh breeze from the northwest during the afternoon. -8 °C to -3 °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

Kraftig vind og nysnø ventes å danne ustabile områder med fokksnøflak i fjellet.

Det ventes stor snøtransport i fjellet, da det fra tidligere er stedvis mye løs snø tilgjengelig.

Vær særlig varsom der det finnes vedvarende svake lag av rim i snødekket. Drønn fra snødekket vil være et faretegn.

Skredfaren ventes som 3-betydelig.
Avalanche danger scale Important information for ski touring
EAWS logo
NVE is a member of EAWS