Archived

Avalanche Forecast

Nov 19th, 2012–Nov 20th, 2012

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

1: Low

The avalanche danger rating below treeline will be low

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

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

2: Moderate

The avalanche danger rating at treeline will be moderate

Below Treeline

1: Low

The avalanche danger rating below treeline will be low

Regions: Banff Yoho Kootenay.

New snow with the storm has only amounted to 5-15cm. We can expect as much as 30 cm in lee pockets with the end of the storm that will be easily triggered and may step down to the Nov 6 crust. JBW

Weather Forecast

Storm continues through tonite. It looks like only 10-20cm total now.

Snowpack Summary

10cm Hst over windslabs or settled snow. Nov 6th crust down 25-50 in most locations. Bottom of pack has another crust and is beginning to facet.

Avalanche Summary

No new avalanches observed in the past couple of days.

Confidence

Intensity of incoming weather systems is uncertain on Tuesday

Avalanche Problems

Loose Dry

Avoid freshly wind loaded features.Use ridges or ribs to avoid pockets of wind loaded snow.

Aspects: North, North East, East.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 3