Avalanche warning for region Nordenskiöld Land Wednesday 21.03.2018

Avalanche Problems

• Dry slab avalanche • Buried weak layer of faceted snow above a crust • Within half a meter • Easy to trigger • Possible • 2 - Medium • Few steep slopes N, NE, E, SE, S, SW, W, NW • Ja om det er liten eller stor tillegsbelastning er jeg usikker på, og om det er 2-3 strl skred er jeg også usikker på, men har angitt det jeg har mest tro på. Det finnes også kantkorn lengere ned i snødekket, disse er godt gjemt under tykk skare.

• Dry slab avalanche • Poor bonding between layers in wind deposited snow • Within half a meter • Difficult to trigger • Unlikely • 3 - Large • Some steep slopes S, SW, W • Det fokksnøproblemet som ble dannet Lørdag og Søndag er nå mye mer stabilt enn det var. Tar det likevel med som et problem da det er hardhetsforskjeller.

Avalanche Problems

• Dry slab avalanche • Buried weak layer of surface hoar • Within half a meter • The collapsing weak layer is thin < 3 cm. • NW

Avalanche Problems

• Dry slab avalanche • Buried weak layer of new snow • Within half a meter • The collapsing weak layer is thin < 3 cm. The overlying slab is soft. • Difficult to trigger • Unlikely • 2 - Medium • Few steep slopes S, SW, W above 0 masl • gjelder for der vi gravde. kan være mer sannsynlig å løse ut andre steder.

• Dry slab avalanche • Buried weak layer of faceted snow beneath a crust • Within half a meter • A big and identifiable crystal in the weak layer. • Difficult to trigger • Unlikely • 3 - Large • Few steep slopes N, NE, E, SE, S, SW, W, NW below 600 masl • kantkorn under skare. skaren er fra mildvær med regn i februar, vi har ikke sjekket hvor høyt dette gikk.

Avalanche Problems

• Dry slab avalanche • Buried weak layer of new snow • Within half a meter • The collapsing weak layer is thin < 3 cm. The overlying slab is soft. • Difficult to trigger • Possible • 2 - Medium • Some steep slopes S, SW, W above 0 masl • Skredproblemet finnes også i andre himmelretninger som ligger i le for terrengstyrt vind.

Avalanche Problems

• Dry slab avalanche • Poor bonding between layers in wind deposited snow • Within half a meter • The collapsing weak layer is thin < 3 cm. The overlying slab is soft. • Difficult to trigger • Unlikely • 2 - Medium • Some steep slopes N, S, SW, W, NW • Pga sidelasting i terreng er også sør og nordvendt terreng utsatt. Lett å identifisere skredproblemet med fokksnø

• 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 • Unlikely • 2 - Medium • Some steep slopes N, NE, E, SE, S, SW, W, NW above 200 masl • Har ikke sett kantkornproblemet i dag, men antar det eksisterer i regionen. Må være fokksnøflak oppå for at problemet skal eksistere

Avalanche Problems

• Dry slab avalanche • Poor bonding between crust and overlying snow • Within half a meter • Easy to trigger • Possible • 2 - Medium • S, SW, W

• Dry slab avalanche • Buried weak layer of faceted snow beneath a crust • Within half a meter • The collapsing weak layer is thin < 3 cm. A big and identifiable crystal in the weak layer. • Difficult to trigger • Possible • 2 - Medium • N, NE, E, SE, S, SW, W, NW above 300 masl

Avalanche Problems

• Dry slab avalanche • Buried weak layer of faceted snow above a crust • Within a meter • The weak layer collapses easily and clean (easy propagation). A big and identifiable crystal in the weak layer. • Possible • Unknown • Some steep slopes S, SW, W above 200 masl • Generally thin snow cover around longyeardalen, more snow higher and further east. Where i was digging i think that around the first 80 cm of snow had been blowing in during the weekend, so in steeper slopes and with a thinner slab the chance of triggering an avalanche would probably be higher.

Avalanche Problems

• Dry slab avalanche • Buried weak layer of new snow • Within half a meter • The collapsing weak layer is thin < 3 cm. A big and identifiable crystal in the weak layer. • Difficult to trigger • Unlikely • 2 - Medium • Some steep slopes N, SW, W, NW • Knallharde flak, men med nedføyket nysnø i mellom. Der flakene er tynne eller mykere kan man klare å trigge noe med ator tilleggsbelastning