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Archived

Avalanche Forecast

Apr 21st, 2022–Apr 22nd, 2022
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
Below Threshold
The avalanche danger rating below treeline will be below threshold
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
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
Below Threshold
The avalanche danger rating below treeline will be below threshold

Regions: Yukon.

Avalanche conditions are generally safe. Be mindful of your exposure to cornices when travelling on and below ridgelines. 

Confidence

High - The snowpack structure is generally well understood.

Weather Forecast

THURSDAY NIGHT: Cloud cover increasing. Light southerly winds. Freezing level lowering to valley bottom.

FRIDAY: Cloudy with light flurries in the afternoon. Light southerly winds. Freezing level rising to 1000 m. Treeline temperatures around -4 C.

SATURDAY: Cloudy with snowfall, 5 cm of accumulation. Light to moderate southeasterly winds. Freezing level rising to 1400 m. Treeline temperatures around -1 C.

SUNDAY: Cloudy with snowfall, up to 5 cm of accumulation. Light to moderate southeasterly winds. Freezing level rising to 1300 m. Treeline temperatures around -2 C.

Avalanche Summary

No new avalanches have been reported over the past week. 

Reports are limited at this time of year. Please let us know what you're seeing by filling out a MIN report!

Snowpack Summary

A light amount of new snow has added to heavily wind-affected surfaces from last week's strong northerly winds.

On south and west facing slopes up to 1400 m a surface crust from spring sunshine can be found, while other aspects hold dry snow. The mid-snowpack is generally strong, overlying weak basal facets at the base of the snowpack. 

Terrain and Travel

  • Pay attention to cornices and give them a wide berth when traveling on or below ridges.

Avalanche Problems

Cornices

Cornices may be weak and reactive to human triggers. They are a significant hazard alone, and may produce large slab avalanches as they fall onto the slope below. Cornice falls are more likely as temperatures warm each day, or when strong sunshine is present. 

Aspects: All aspects.

Elevations: Alpine.

Likelihood: Unlikely - Possible

Expected Size: 1.5 - 3