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Archived

Avalanche Forecast

Apr 1st, 2022–Apr 2nd, 2022
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
Below Threshold
The avalanche danger rating below treeline will be below threshold
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
Below Threshold
The avalanche danger rating below treeline will be below threshold
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
Below Threshold
The avalanche danger rating below treeline will be below threshold

Regions: Yukon.

Carefully assess the wind slab hazard as you gain elevation. Increasing winds will quickly redistribute loose snow. 

Confidence

Moderate - Uncertainty is due to the speed, direction, or duration of the wind and its effect on the snowpack.

Weather Forecast

Friday night: Cloudy with flurries, up to 5 cm snow. Moderate increasing to strong southwesterly wind. Ridgetop low -10 C.

Saturday: Cloudy and unsettled with light flurries bringing trace amounts of new snow. Moderate to strong southeast winds. Ridgetop high of -3 C.

Sunday: Stormy, 5-15 cm of new snow. Strong southeasterly winds. Ridgetop high of -5 C.

Monday: Flurries, another 5 cm expected by morning. Southerly wind decreasing quickly. Ridgetop high of -2 C.

Avalanche Summary

On Wednesday our field team observed natural dry loose avalanches on all aspects to size 1.5. While in the field they also observed wind transport and new wind slab formation.

Snowpack Summary

Wind has redistributed snow into pressed surfaces and pockets of windslab at treeline and higher. At lower elevations a crust can be found up to 1200 m and higher elevations on solar aspects.

The middle of the snowpack is reported to be strong and well settled with facetted snow near the ground. Take note, cornices are large and looming.

Terrain and Travel

  • Watch for newly formed and reactive wind slabs as you transition into wind affected terrain.
  • Pay attention to cornices and give them a wide berth when traveling on or below ridges.

Avalanche Problems

Wind Slabs

Recent winds have formed slabs in exposed terrain on north and east aspects. Increasing winds will quickly redistribute loose snow encouraging fresh wind slab development.

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

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2

Cornices

Large cornices have been observed in the region. Limit your time on slopes with these hazards above them.

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

Elevations: Alpine.

Likelihood: Unlikely

Expected Size: 1.5 - 2.5