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Archived

Avalanche Forecast

Jan 27th, 2020–Jan 28th, 2020
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
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
3: Considerable
The avalanche danger rating in the alpine will be considerable
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

Regions: Glacier.

Pockets of wind slab are catching skiers off-guard in the alpine. Specific terrain features (ie steep, wind-loaded slopes) are failing under a person's load.

Weather Forecast

A series of lows will bring a string of weak storms over the next few days.

Today: Cloudy, isolated flurries, trace precip, alpine high -6*C, fzl rising to 1400m, mod SW winds

Tues: Cloudy, scattered flurries, 5cm snow, alpine high -6*C, fzl rising to 1400m, mod SW winds

Wed: Flurries, 5-10cm snow, alpine high -6*C, fzl 1200m, mod/strong SW winds

Snowpack Summary

~10cm of overnight snow has covered up yesterday's suncrust on solar aspects. Storm slabs from the ~60cm snow over the past week seem to be settling and bonding, but periods of moderate to strong southerly winds have created pockets of windslab on lee features, especially on northerly aspects.

Avalanche Summary

Saturday, skiers in the Forever Young couloir triggered a size 2 avalanche which resulted in partial burials and serious injuries. Skiers also triggered avalanches on NRC, Video Peak and Grizzly Couloir. this past week.

Confidence

Avalanche Problems

Wind Slabs

Incremental snowfall, combined with periods of moderate to strong wind, have loaded lee slopes. Pockets of reactive wind slab exist. On Saturday, 2 skiers were seriously injured in an avalanche they triggered in the Forever Young couloir.

  • Watch for stiffer feeling snow. Avoid areas that appear wind loaded.
  • Be careful with wind loaded pockets, especially near ridge crests and roll-overs.

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

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2