Archived

Avalanche Forecast

Dec 27th, 2012–Dec 28th, 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

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

1: Low

The avalanche danger rating below treeline will be low

Regions: Banff Yoho Kootenay.

Weather Forecast

Mixed sun and cloud with very light snow flurries through Friday and Saturday. A gradual warming trend is forecast through the weekend.

Snowpack Summary

A storm on December 23 dropped between 15 to 30 cm of low density snow over the forecast region. There is wind effect in the storm snow at upper elevations and isolated wind slabs have developed near ridge tops. The November rain crust is breaking down but still identifiable in the bottom third of the pack. This layer is producing hard to no shears

Avalanche Summary

Flight to Bow Summit and to Field in good visibility on Thursday showed very little in the way of recent natural avalanche activity.

Confidence

The weather pattern is stable

Avalanche Problems

Wind Slabs

A storm on December 23 dropped between 15 to 30 cm of low density snow over the forecast region. Variable winds have created some wind slabs within the storm snow at ridge top elevations.

Be cautious as you transition into wind affected terrain.

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

Elevations: Alpine.

Likelihood: Possible

Expected Size: 1 - 2