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Archived

Avalanche Forecast

Apr 13th, 2017–Apr 14th, 2017
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
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: Kananaskis.

We are expecting a slight cooling trend that will tighten up the snowpack over the next few days. Good snow can still be found on north aspects.

Confidence

High -

Weather Forecast

A few flurries overnight with increasing winds. Tomorrow is expected to be cloudy with a few sunny breaks during the day. Expect strong solar effect due to the thin could. The high temp will be -7, but it will feel much warmer. The ridge winds will rise to 55km/hr from the west. Freezing level will be 1800m.

Avalanche Summary

Nothing new was noted today.

Snowpack Summary

Another 5-10 cm last night and this morning. By mid morning it was already moist below treeline, and by mid day it was moist up to 2200m on all aspects. The underlying crusts are evident on all aspects up to 2100m. By 2200m they are more prevalent on solar aspects. In terms of thickness, below treeline has a 30-40cm crust and the treeline crust is 5-15cm depending on aspect. The weak basal layers are still found with probing and are as widespread as always. The heat really hasn't had much affect in the alpine in terms of stabilizing the mid to lower layers.

Avalanche Problems

Deep Persistent Slabs

We are not entirely free from this layer yet. It is still down there and more suspect in thin areas, cold areas that haven't seen a warming cycle and large terrain that hasn't avalanched yet.
Pay attention to overhead hazards like cornices which could easily trigger deep slabs.Avoid exposure to overhead avalanche terrain, large avalanches may reach the end of run out zones.Be aware of thin areas that may propogate to deeper instabilites.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 2 - 3