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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Trollheimen Tuesday 31.03.2020

Danger level 3 - Considerable avalanche danger

Published:
Be careful in areas with wind deposited snow at high elevations. Increasing temperature will weaken the snow cover temporarily.

Avalanche problems

Wind drifted snow (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).

Poor bonding between layers in wind deposited snow

Wet snow (loose snow avalanches)

on a few steep slopes. Avalanches can get large enough to bury or even kill you (size 2).

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)

Monday 30. March 2020

Det har kome mykje snø dei siste dagane og enkelte områder har fått over 50 cm. I helga har sterk vind transportert snø til søraustlege leområder. Måndag har vindretninga snudd og pålagringa er no i nordaustleg til austlege lesider.


Eldre snøpakke er prega av fleire omgangar med mildvêr i vinter og er stort sett grovkorna.


Observatør i Storlidalen melder måndag om 30-40 cm nysnø i skog og vind i fjellet.

Mountain weather

Monday 30. March 2020

3-7 mm precipitation. Fresh breeze from northwest, changing to fresh breeze from the west during renoon. -12 °C to -5 °C at 1400 m a.s.l. Cloudy.

Tuesday 31. March 2020

10 mm precipitation, up to 20 mm in the most exposed areas. Strong breeze from southwest, changing to moderate gale from the west during renoon. -9 °C to -2 °C at 1400 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, tilgjengeleg ubunden snø og stadvis mykje ny nedbør vil gje stor snøtransport til austlege og nordaustlege leområder. Her vil ein få auka pålagring og ferske fokksnøflak. Det ligg òg eldre flak mot søraust som treng tid på å stabilisere seg.

Stigande temperatur og reng vil svekke bindingar i snødekket og auke faren for våte laussnøskred under 1000 moh.

Ein lyt vere merksam på store skavlar i nord- og austlege fjellsider.
Avalanche danger scale Important information for ski touring
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