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Archived

Avalanche Forecast

Dec 29th, 2023–Dec 30th, 2023
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
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
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: Glacier.

High freezing levels with intense solar could push us into Considerable hazard, pay attention to the temperature!

Please don't get complacent on your search for fresh tracks. The persistent slab problem is worth considering when pushing into bigger objectives.

Confidence

Moderate

Avalanche Summary

A team triggered several explosive controlled avalanches in steep north facing terrain at treeline on Wed. Avalanches were small and triggered soft wind slabs up to 40cm deep.

No new natural avalanches have been observed since Dec 23rd.

A human-triggered avalanche occurred on Video peak Saturday afternoon involving a group of 3, no injuries reported.

Recently significant human-triggered avalanches failing on the Dec 1st surface hoar layer: Balu Pk & Ursus Minor.

Weather Summary

Saturday will be a warm day, freezing levels will extend up to 2500m! The ridge of high pressure breaks down Saturday and abit of snow is on the way

Tonight: Clear periods. Alp Low 3 °C. Winds S 15-30km/hr.

Sat: A mix of sun & cloud with wet flurries. High 4°C. (fzl) 2500m. Winds: SW 13-35.

Sun: Cloudy with Flurries. Light snow, High -3°C. Fzl 1700m. Light W winds.

Mon: Cloudy. High -7 °C. Freezing level: 1100m. Light S wind.

Terrain and Travel Advice

  • Avoid steep slopes when air temperatures are warm, or solar radiation is strong.
  • Fresh snow rests on a problematic persistent slab, don't let good riding lure you into complacency.
  • Avoid convexities, steep unsupported terrain and rocky outcroppings.

Avalanche Problems

Wind Slabs

Winds have redistributed snow in the Alpine and on lee features at treeline. Expect to find it most reactive at ridge top and in lee or cross-loaded features. This layer will be more reactive if it warms up.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2

Persistent Slabs

A weak layer of surface hoar down 50-100 cm is slowly gaining strength. Most likely areas to trigger this problem are in shallow or variable depth snowpacks and unsupported alpine terrain. Use caution in terrain that has not previously avalanched.

Aspects: All aspects.

Elevations: Alpine.

Likelihood: Unlikely - Possible

Expected Size: 1.5 - 3