Archived

Avalanche Forecast

Jan 31st, 2017–Feb 1st, 2017

Alpine

3: Considerable

The avalanche danger rating in the alpine will be considerable

Treeline

3: Considerable

The avalanche danger rating at treeline will be considerable

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

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

Regions: Jasper.

Weather Forecast

The strong, gusty winds subside and shift from SW to North. Increasing pressure, gorgeous blue skies and arctic temps to dominate the forecast through the week.

Snowpack Summary

14.5cm of storm snow, re-distributed by steady moderate to strong SW winds, loading N to NE aspects on an already stressed facet interface down between 20 to 50cm. Hard windslab over a weak mid-pack, over an even weaker facet and depth hoar base to ground.

Avalanche Summary

No new avalanches observed or reported.

Confidence

Avalanche Problems

Wind Slabs

Big open features and climbs with significant overhead hazard should be avoided until the weak bond between layers strengthens.

Use caution above cliffs where small avalanches may have severe consequences.

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

Elevations: Alpine, Treeline.

Likelihood: Possible - Likely

Expected Size: 2 - 3

Loose Dry

Wind loading and shedding from steep faces, especially concerning for ice climbers.

Minimize exposure to steep, sun exposed slopes when the solar radiation is strong.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Likely

Expected Size: 1 - 2