Avalanche warning for region Jotunheimen Tuesday 20.02.2024

Avalanche Problems

• Dry slab avalanche • Poor bonding between layers in wind deposited snow • Within a meter • The overlying slab is soft. • Difficult to trigger • 2 - Medium • N, NE, NW between 1600 masl and 1100 masl

Avalanche Problems

• Dry slab avalanche • Buried weak layer of faceted snow beneath a crust • Within a meter • A big and identifiable crystal in the weak layer. • Difficult to trigger • 3 - Large • Few steep slopes NE, E, SE between unknown masl and unknown masl

Avalanche Problems

• Dry slab avalanche • Buried weak layer of faceted snow beneath a crust • Within a meter • A big and identifiable crystal in the weak layer. • Difficult to trigger • 3 - Large • Few steep slopes E between 1500 masl and unknown masl

Avalanche Problems

• Dry slab avalanche • Buried weak layer of new snow • Within half a meter • The overlying slab is soft. • Difficult to trigger • 1 - Small • Few steep slopes N, NE between 1400 masl and 1000 masl

Avalanche Problems

• Loose dry avalanche • Loose snow • Very difficult to trigger • 4 - Very large • Few steep slopes N, NW between unknown masl and unknown masl • Seems very stable at this point down to dug out area. We can't exclude laters below 120cm

Avalanche Problems

• Dry slab avalanche • Poor bonding between layers in wind deposited snow • Within half a meter • Difficult to trigger • 1 - Small • Some steep slopes NE, E between 1000 masl and 900 masl

Avalanche Problems

• Dry slab avalanche • Poor bonding between crust and overlying snow • Within half a meter • The overlying slab is soft. A big and identifiable crystal in the weak layer. • Difficult to trigger • 2 - Medium • Some steep slopes N, NE, E, SE, S, SW, W, NW between 1000 masl and 800 masl • Prevalent only in the treeline where the snow has not been wind affected.

Avalanche Problems

• Dry slab avalanche • Buried weak layer of new snow • Within half a meter • The overlying slab is soft. • Difficult to trigger • 3 - Large • NE, E, SE above unknown masl

Avalanche Problems

• Dry slab avalanche • Buried weak layer of new snow • Within half a meter • The overlying slab is soft. • Difficult to trigger • 1 - Small • Few steep slopes N, NE between 1400 masl and 1000 masl

Avalanche Problems

• Dry slab avalanche • Buried weak layer of new snow • Within half a meter • The overlying slab is soft. • Difficult to trigger • 1 - Small • Some steep slopes N between 1400 masl and unknown masl • Weak top layer however, this is PP and DF. The rest of the snow pack was very stable and was not damaged during any tests

Avalanche Problems

• Dry slab avalanche • Poor bonding between crust and overlying snow • Within half a meter • Very difficult to trigger • 1 - Small • Few steep slopes N, NE, NW between 1100 masl and unknown masl • Just with a heavy snowfall could be triggered

Avalanche Problems

• Dry slab avalanche • Poor bonding between crust and overlying snow • Within half a meter • Difficult to trigger • 1 - Small • Some steep slopes N, W, NW between 1100 masl and 600 masl • Øvre lag med MF binder noe dårlig til skare på 7cm dyp. Vil kunne være et potensielt problem om det skulle komme mye snø på kort tid som gir nok vekt til å løse ut de dårlige bindingene. Ikke mulig å løse ut laget med noen test i dag.

Avalanche Problems

• Dry slab avalanche • Poor bonding between layers in wind deposited snow • Within half a meter • The overlying slab is soft. • Difficult to trigger • 2 - Medium • Some steep slopes N, NE, E, SE, S, SW, W, NW above 1000 masl • Localised wind conditions increase or decrease the danger. Wind slabs have formed over all aspect.

Avalanche Problems

• Dry slab avalanche • Buried weak layer of new snow • Within half a meter • The overlying slab is soft. • Easy to trigger • 1 - Small • Some steep slopes E, SE, S between unknown masl and unknown masl

Avalanche Problems

• Dry slab avalanche • Buried weak layer of new snow • Within half a meter • The overlying slab is soft. • Easy to trigger • 1 - Small • Some steep slopes E, SE, S between unknown masl and unknown masl

Avalanche Problems

• Dry slab avalanche • Poor bonding between layers in wind deposited snow • Within half a meter • Difficult to trigger • 2 - Medium • Some steep slopes N, NE, E, SE, S, SW, W, NW between 1600 masl and 1000 masl

Avalanche Problems

• Dry slab avalanche • Buried weak layer of faceted snow beneath a crust • Within half a meter • Difficult to trigger • 2 - Medium • N, NE, E, SE, S, SW, W, NW between 1700 masl and 1000 masl

• Dry slab avalanche • Buried weak layer of new snow • Within half a meter • The overlying slab is soft. • Easy to trigger • 1 - Small • N, NE, E, SE, S, SW, W, NW above 1700 masl

Avalanche Problems

• Dry slab avalanche • Buried weak layer of new snow • Within half a meter • The weak layer collapses easily and clean (easy propagation). The overlying slab is soft. • Easy to trigger • 2 - Medium • Many steep slopes E between 1100 masl and 800 masl

• Dry slab avalanche • Buried weak layer of faceted snow near surface • Within a meter • A big and identifiable crystal in the weak layer. • Very difficult to trigger • 3 - Large • Some steep slopes E between unknown masl and unknown masl • Likely in several directions

Avalanche Problems

• Dry slab avalanche • Poor bonding between crust and overlying snow • Within half a meter • Difficult to trigger • 2 - Medium • Few steep slopes N between 1100 masl and 800 masl • Det er generelt lite snø ved tregrensen og opp til 1100 meter over havet. Enkelte bratte heng har opparbeidet seg snødybder oppimot 180cm. I disse områdene vil det være vanskelig å løse ut skred ettersom det overliggende skarelaget fremstår hardt og stabilt. Skred som går på dette laget vil sannsynlig bli små da det er lite tilgjengelig snø i det aktuelle henget.

Avalanche Problems

• Dry slab avalanche • Buried weak layer of new snow • Within half a meter • The weak layer collapses easily and clean (easy propagation). • Easy to trigger • 2 - Medium • Some steep slopes E below 1000 masl

• Dry slab avalanche • Buried weak layer of faceted snow beneath a crust • A big and identifiable crystal in the weak layer. • Difficult to trigger • 3 - Large • Some steep slopes E below 1000 masl

Avalanche Problems

• Dry slab avalanche • Buried weak layer of faceted snow above a crust • Within half a meter • Difficult to trigger • 1 - Small • Few steep slopes N, NE, NW between 1100 masl and unknown masl

Avalanche Problems

• Dry slab avalanche • Buried weak layer of faceted snow above a crust • Within half a meter • Difficult to trigger • 1 - Small • Few steep slopes N, NE, NW between 1100 masl and unknown masl

Avalanche Problems

• Dry slab avalanche • Buried weak layer of faceted snow beneath a crust • Within half a meter • The overlying slab is soft. • Difficult to trigger • 2 - Medium • Some steep slopes NE below 1100 masl

Avalanche Problems

• Dry slab avalanche • Buried weak layer of faceted snow beneath a crust • Within half a meter • between unknown masl and unknown masl

Avalanche Problems

• Dry slab avalanche • Buried weak layer of faceted snow beneath a crust • Within half a meter • The overlying slab is soft. • Difficult to trigger • 2 - Medium • Some steep slopes N between unknown masl and unknown masl • Due to increasing air temperature and decreasing TG this avalanche problem is expected to stabilize

Avalanche Problems

• Dry slab avalanche • Poor bonding between layers in wind deposited snow • Within half a meter • Easy to trigger • 1 - Small • N, NE, E, SE, S, SW, W, NW between 1100 masl and 1000 masl

Avalanche Problems

• Dry slab avalanche • Buried weak layer of faceted snow beneath a crust • Within half a meter • The weak layer collapses easily and clean (easy propagation). The overlying slab is soft. A big and identifiable crystal in the weak layer. • Easy to trigger • 2 - Medium • Few steep slopes E, SE, S below 1000 masl

Avalanche Problems

• Dry slab avalanche • Buried weak layer of faceted snow beneath a crust • Very easy to trigger • 1 - Small • Some steep slopes SE, S between unknown masl and unknown masl

Avalanche Problems

• Dry slab avalanche • Poor bonding between layers in wind deposited snow • Within half a meter • Easy to trigger • 2 - Medium • Many steep slopes N, NE, E, SE, S, SW, W, NW below 1700 masl

Avalanche Problems

• Dry slab avalanche • Poor bonding between layers in wind deposited snow • Difficult to trigger • 2 - Medium • Some steep slopes N, NE, E, SE, S, SW, W, NW between 1600 masl and 1000 masl

Avalanche Problems

• Dry slab avalanche • Very difficult to trigger • 3 - Large • N, S between 1700 masl and 1600 masl • Et kompakt og stabilt snødekke (primært RG korn) på rundt 160cm over et tynnere lag med kantkorn (FC) nært bakken. Snødekke fremstår svært stabilt, men skred som først går på dette dekke kan bli store, eller svært store.

Avalanche Problems

• Dry slab avalanche • Buried weak layer of new snow • Within half a meter • Difficult to trigger • 2 - Medium • Some steep slopes SE, S, SW between 1700 masl and 1600 masl • Ingen propagering

Avalanche Problems

• Dry slab avalanche • Buried weak layer of new snow • The overlying slab is soft. A big and identifiable crystal in the weak layer. • Difficult to trigger • Some steep slopes S between 1600 masl and 1400 masl

Avalanche Problems

• Dry slab avalanche • Buried weak layer of faceted snow near surface • Within half a meter • Easy to trigger • 2 - Medium • Some steep slopes SE, S, SW above unknown masl

Avalanche Problems

• Dry slab avalanche • Buried weak layer of new snow • Within half a meter • A big and identifiable crystal in the weak layer. • Easy to trigger • 2 - Medium • Some steep slopes E, SE, S • fikk ikke glatt bruddflate i lille blokktesten som tyder at nedføket nysnø under fokksnøen er i ferd med å stabilisere seg.

Avalanche Problems

• Dry slab avalanche • Poor bonding between layers in wind deposited snow • Within half a meter • The overlying slab is soft. • Difficult to trigger • 2 - Medium • Many steep slopes N, NE, E, SE, S, SW, W, NW between 1700 masl and 1000 masl

Avalanche Problems

• Dry slab avalanche • Buried weak layer of faceted snow near surface • Within half a meter • Difficult to trigger • 1 - Small • Some steep slopes W, NW above 1400 masl

Avalanche Problems

• Dry slab avalanche • Poor bonding between layers in wind deposited snow • Within half a meter • Difficult to trigger • 1 - Small • Some steep slopes between 1700 masl and 1400 masl • the location of the problem depends on local winds

Avalanche Problems

• Dry slab avalanche • Buried weak layer of new snow • Within half a meter • The overlying slab is soft. A big and identifiable crystal in the weak layer. • Very difficult to trigger • 2 - Medium • Some steep slopes E, SE, S, SW, W between 1500 masl and 1000 masl

Avalanche Problems

• Dry slab avalanche • Poor bonding between layers in wind deposited snow • Within half a meter • The overlying slab is soft. A big and identifiable crystal in the weak layer. • Difficult to trigger • 2 - Medium • Some steep slopes above 1400 masl • Very localised conditions. Little snow left for transport.

• Dry slab avalanche • Buried weak layer of faceted snow beneath a crust • Within a meter • A big and identifiable crystal in the weak layer. • Very difficult to trigger • 3 - Large • Some steep slopes • Facets building below a crust. Dormant at the moment however colder temperatures could escalate the problem.

Avalanche Problems

• Buried weak layer of faceted snow near the ground • Within a meter • Few steep slopes N, NE, E, SE, S, SW, W, NW between 1700 masl and 1000 masl

Avalanche Problems

• Dry slab avalanche • Buried weak layer of new snow • Within half a meter • The weak layer collapses easily and clean (easy propagation). • Easy to trigger • 2 - Medium • Some steep slopes E, SE, S, SW, W above unknown masl

Avalanche Problems

• Dry slab avalanche • Poor bonding between layers in wind deposited snow • Within half a meter • The weak layer collapses easily and clean (easy propagation). A big and identifiable crystal in the weak layer. • Easy to trigger • 2 - Medium • Some steep slopes SE, S, SW between 1500 masl and 900 masl • Weak layer precip particles below windslab.

• Dry slab avalanche • Buried weak layer of faceted snow near the ground • Within a meter • A big and identifiable crystal in the weak layer. • Difficult to trigger • 3 - Large • Some steep slopes N, NE, E, SE, S, SW, W, NW between 1500 masl and 900 masl • Meltforms bonding to rounds near bottom of snowpack

Avalanche Problems

• Dry slab avalanche • Buried weak layer of new snow • Within half a meter • The weak layer collapses easily and clean (easy propagation). • Easy to trigger • 1 - Small • Many steep slopes S between unknown masl and unknown masl

• Dry slab avalanche • Buried weak layer of faceted snow above a crust • Within half a meter • A big and identifiable crystal in the weak layer. • Difficult to trigger • 2 - Medium • S between unknown masl and unknown masl

• Dry slab avalanche • Buried weak layer of faceted snow near surface • Within a meter • A big and identifiable crystal in the weak layer. • Very difficult to trigger • 3 - Large • S between unknown masl and unknown masl

• Dry slab avalanche • Buried weak layer of faceted snow above a crust • Over one meter • A big and identifiable crystal in the weak layer. • Very difficult to trigger • 4 - Very large • S between unknown masl and unknown masl

Avalanche Problems

• Dry slab avalanche • Buried weak layer of new snow • Within half a meter • The weak layer collapses easily and clean (easy propagation). • Easy to trigger • 1 - Small • Many steep slopes S between 1600 masl and 1400 masl

• Dry slab avalanche • Buried weak layer of faceted snow above a crust • Within half a meter • A big and identifiable crystal in the weak layer. • Difficult to trigger • 2 - Medium • Many steep slopes S between 1600 masl and 1400 masl

• Dry slab avalanche • Buried weak layer of faceted snow near surface • Within a meter • A big and identifiable crystal in the weak layer. • Very difficult to trigger • 3 - Large • Many steep slopes S between 1600 masl and 1400 masl

• Dry slab avalanche • Buried weak layer of faceted snow near the ground • Over one meter • A big and identifiable crystal in the weak layer. • Very difficult to trigger • 4 - Very large • Many steep slopes S between 1600 masl and 1400 masl

Avalanche Problems

• Dry slab avalanche • Poor bonding between layers in wind deposited snow • Within half a meter • Difficult to trigger • 2 - Medium • Some steep slopes between 1700 masl and 1400 masl • Lokale variasjoner på vindretning. Vindtransportert snø legger seg i renner og forsenkninger i terrenget. Rygger og topper er meget vindpåvirket

Avalanche Problems

• Dry slab avalanche • Buried weak layer of faceted snow near the ground • Within a meter • A big and identifiable crystal in the weak layer. • Difficult to trigger • 3 - Large • Some steep slopes N between 1700 masl and unknown masl

Avalanche Problems

• Dry slab avalanche • Poor bonding between layers in wind deposited snow • Within half a meter • The overlying slab is soft. • Difficult to trigger • 2 - Medium • Many steep slopes N, NE, E, SE, S, SW, W, NW between 1700 masl and 1000 masl

Avalanche Problems

• Dry slab avalanche • Buried weak layer of new snow • Within half a meter • Difficult to trigger • 2 - Medium • N, W, NW between 1700 masl and 1500 masl

Avalanche Problems

• Loose dry avalanche • Loose snow • Very difficult to trigger • Unknown • Some steep slopes SW above unknown masl

Avalanche Problems

• Dry slab avalanche • Poor bonding between layers in wind deposited snow • Within half a meter • Difficult to trigger • 1 - Small • Some steep slopes SE, NW below 1700 masl

Avalanche Problems

• Dry slab avalanche • Buried weak layer of faceted snow above a crust • Within a meter • A big and identifiable crystal in the weak layer. • Difficult to trigger • 2 - Medium • Few steep slopes NW between unknown masl and unknown masl

• Dry slab avalanche • Buried weak layer of new snow • Within half a meter • The weak layer collapses easily and clean (easy propagation). • Easy to trigger • 2 - Medium • Some steep slopes NW between 1500 masl and 1400 masl