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Archived

Avalanche Forecast

Feb 8th, 2012–Feb 9th, 2012
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
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
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: Jasper.

While the likelihood of skier triggering is relatively low we have observed several large, high consequence avalanches on steep unsupported alpine slopes. Don't let the sunny skies cloud your judgement.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

The weather pattern is stable

Avalanche Problems

Deep Persistent Slabs

Warm temperatures and solar radiation have lead to the re-awakening of two instabilities. Recent wind slabs and the early season basal facet layer have produced a few large, high consequence avalanches on steep unsupported alpine features.

Aspects: North, North East.

Elevations: Alpine.

Likelihood: Possible

Expected Size: 2 - 3

Wind Slabs

The majority of the previous windslabs are bonding well, but there is still the potential to trigger isolated slabs in steep, wind loaded areas in the alpine.

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

Elevations: Alpine.

Likelihood: Possible

Expected Size: 1 - 3

Loose Wet

Large temperature swings from -28 at night to plus 2 during the day has put us in an early melt freeze cycle on south aspect slopes. There has also been a significant temperature inversion. Ice climbers pay particular attention to these patterns.

Aspects: North.

Elevations: All elevations.

Likelihood: Possible - Likely

Expected Size: 1 - 2