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Archived

Avalanche Forecast

Jan 26th, 2024–Jan 27th, 2024
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
3: Considerable
The avalanche danger rating at treeline will be considerable
Below Treeline
2: Moderate
The avalanche danger rating below treeline will be moderate
Alpine
4: High
The avalanche danger rating in the alpine will be high
Treeline
3: Considerable
The avalanche danger rating at treeline will be considerable
Below Treeline
2: Moderate
The avalanche danger rating below treeline will be moderate

Expect deeper and more reactive slabs in wind-loaded terrain features. Be ready dial back your terrain choices if freezing levels start to rise above treeline.

Confidence

Moderate

Avalanche Summary

Storm slabs were reactive earlier in the week, with numerous natural, human- and remote-triggered avalanches up to size 2. On Wednesday, avalanche activity became more specific to wind-loaded features, with several naturals up to size 2.5 on north to east aspects in the alpine and upper treeline elevations.

Snowpack Summary

30-50 cm of recent snow sits over a layer of facets formed during the early January cold snap. At upper elevations, the recent snow has seen some redistribution by wind. At lower elevations, a thin crust or moist snow may be found at the surface.

Old layers of surface hoar and crusts in the mid snowpack appear to be healing. The mid and lower snowpack is generally strong and well bonded.

Weather Summary

Friday night

Around 5 cm of new snow. Southwest alpine wind 20-40 km/h. Treeline temperature -3 °C.

Saturday

Mostly cloudy with scattered flurries bringing p to 5 cm. South alpine wind 15-30 km/h. Treeline temperature 0 °C. Freezing level 1800 m.

Sunday

A mix of sun and cloud. South alpine wind 20-40 km/h. Treeline temperature +2 °C. Freezing level 2500 m.

Monday

A mix of sun and cloud. South alpine wind 20-40 km/h. Treeline temperature +4 °C. Freezing level 2700 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Keep in mind that human triggering potential persists as natural avalanching tapers off.
  • Avoid freshly wind loaded features, especially near ridge crests, roll-overs and in steep terrain.
  • Caution around convexities or sharp changes in terrain.
  • Extra caution for areas experiencing rapidly warming temperatures for the first time.

Avalanche Problems

Wind Slabs

Recent snow has been most reactive in wind-loaded terrain features such as below ridge crests and roll-overs.

Aspects: North, North East, East, South East, North West.

Elevations: Alpine, Treeline.

Likelihood: Likely

Expected Size: 1 - 2.5

Persistent Slabs

30-50 cm of recent snow sits over a layer of facets and has been slow to bond. This layer may become more reactive with warming temperatures this weekend.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible - Likely

Expected Size: 1 - 2.5