Jump to content

Avalanche warning for region Svartisen Monday 20.03.2023

Danger level 3 - Considerable avalanche danger

Published:
Unstable conditions due to persistent weak layers and stormy weather. There is uncertainty in the weather forcast and a potential for strong winds from the southwest which could lead to naturally released wind slabs. Be cautious of persistent weak layers which may also be triggered where the snow cover is thin.

Avalanche problems

Wind drifted snow (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).

Buried weak layer of new snow

Persistent weak layer (slab avalanches)

Avalanches may release spontaneously on a few 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 above a crust

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.

Snow cover (in Norwegian), 19.03.2023

Over skoggrensen ligger litt nysnø fra natt til lørdag oppå en gamle snøoverflate som er preget av sterk vind på fredag. Fokksnøansamlinger finnes særlig mot nord og vest. Avblåst mot sør og øst.
Under skoggrensen og i skjermet formasjoner finnes det fortsatt en del løssnø.

Det har utviklet seg vedvarende svake lag av kantkorn rundt skarelag under fokksnø. Observasjoner på lørdag tyder på at der dette lag kan påvirkes, så viser den gode evne til bruddforplantning.

På søndag meldes det om kraftig snøfokk på fjellet. På lørdag ble det rapportert inn noen store drønn i nærheten av Bomfjellet.

Mountain weather, 19.03.2023

4-8 mm precipitation. Precipitation as snow. Fresh breeze from southeast, changing to gale from the east during the afternoon. -15 °C to -7 °C at 1100 m a.s.l. Cloudy.

Mountain weather, 20.03.2023

15 mm precipitation, up to 40 mm in the most exposed areas. Rain up to 100 m a.s.l during renoon. Strong breeze from west, changing to fresh breeze from the southwest during renoon. -10 °C to -4 °C at 1100 m a.s.l. Cloudy.

Avalanche danger scale Important information for ski touring
EAWS logo
NVE is a member of EAWS