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Archived

Avalanche Forecast

Dec 30th, 2023–Dec 31st, 2023
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
Alpine
1: Low
The avalanche danger rating in the alpine will be low
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
Alpine
1: Low
The avalanche danger rating in the alpine will be low
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.

It's getting harder and harder to find untracked lines, don't let your search for fresh snow push you in to terrain that you would not have otherwise considered skiing.

And, remember that the days are real short this time of year. If you find yourself in a pickle after 3PM, you will most likely be spending the night out...

Confidence

High

Avalanche Summary

There were several loose snow avalanches, up to size 2.5, triggered by warming temps and solar input Friday-Saturday,

Snowpack Summary

Traces of fresh snow will cover wind effect/windslabs in the alpine and exposed treeline, a sun crust and frozen debris on solar aspects, and soft facetted old snow on sheltered N aspects.

Below 2100 m there is a strong rain crust down 40-60cm (from Dec 5th/6th).

The Dec 1 surface hoar is down 60-100cm, and has not shown signs of reactivity in our area for several days.

In shallow areas at upper elevations, the base of the snowpack is faceted and unsupportive.

Weather Summary

A bit of fresh snow and cooling temps overnight in to Sunday, as the high pressure is briefly pushed aside.

Tonight: Increasing cloudiness and isolated flurries. Alpine Low -4°C. Freezing level (Fzl) 1600m. Moderate SW Ridgetop Wind.

Sunday: Isolated Flurries. High -4°C. Fzl 1600m. Light West wind.

Mon: Sunny periods. Low -10 °C, High -8 °C. Light S wind.

Tues: Sunny periods. Low -9 °C, High -6 °C. Light ridge wind.

Terrain and Travel Advice

  • Exercise caution on steep, unsupported slopes.

Avalanche Problems

Wind Slabs

Winds have redistributed snow in the Alpine and on lee features at treeline. Be cautious in ridge top lee or cross-loaded features, especially if there is consequential terrain below.

Aspects: All aspects.

Elevations: Alpine.

Likelihood: Unlikely - Possible

Expected Size: 1 - 2