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Avalanche warning for region Tromsø Wednesday 26.12.2018

Danger level 3 - Considerable avalanche danger

Published:
The snowpack is tricky. Storm slabs are easy to trigger many places and very easy to trigger on specific features where surface hoars is burried. Now is good time to scale back to more mellow terrain.

Avalanche problems

New 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

Persistent weak layer (slab avalanches)

You can very easily trigger avalanches on some steep slopes. Avalanches can get large enough to bury or even kill you (size 2). Remote triggering is possible.

Buried weak layer of surface hoar
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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)

Tuesday 25. December 2018

Det har snødd siden søndag morgen. Tidligere lå det mest snø i nordvendte leformasjoner etter vind fra stort sett sørlig retning og snødekket var generelt hardt med skare opp til 600-700 moh.

Det er generelt lite snø i terrenget.

Begynnende kantkorn rundt skarelag er observert på ca. 500 moh, både på Kvaløya og på fastlandet. Men dette er ikke nok utviklet, til å utgjøre et tydelig skredproblem enda.

Det er observert rimkrystaller på snøoverflaten mange steder før snøfallet

Mountain weather

Tuesday 25. December 2018

8 mm precipitation, up to 14 mm in the most exposed areas. Strong breeze from southeast, changing to strong breeze from the southwest Tuesday night. -7 °C to -2 °C at 700 m a.s.l. Cloudy.

Wednesday 26. December 2018

3-7 mm precipitation. Fresh breeze from northwest, changing to breeze from the south during the evening. -6 °C to -2 °C at 700 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

Snøbygene fortsetter å gi påfyll av nysnøen og skredfaren ventes uendret. Mot kvelden snur vinden og det blir noe mildere. Dette vil gi et fuktigere snødekke i lavlandet og muligens enkelte våte skred.

Nysnøflakkene ventes fortsatt å være lette å løse ut og flekkvis kan disse flakkene ligger på overflaterim og være svært lette å løse ut.

Måtehold er nok 'name for the game' fremtil nysnøen stabiliserer seg.
Avalanche danger scale Important information for ski touring
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