Archived

Avalanche Forecast

Jan 10th, 2012–Jan 13th, 2012

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

3: Considerable

The avalanche danger rating below treeline will be considerable

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

3: Considerable

The avalanche danger rating below treeline will be considerable

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

2: Moderate

The avalanche danger rating below treeline will be moderate

Regions: Waterton Lakes.

Moderate snowfall Tuesday sits on underlying previous crusts and hard slabs. Dangerous avalanche conditions will persist for a few days as loose snow and slab avalanches are likely. Little Prairie snowpack 105cms.

Avalanche Problems

Wind Slabs

Light to moderate easterly winds accompanied the recent storm snow. Stronger westerly winds resuming Wednesday will build slabs on easterly aspects and other lee terrain features. Triggering will likely be touchy on the underlying crusts.

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

Elevations: All elevations.

Likelihood: Possible - Likely

Expected Size: 1 - 3

Loose Dry

Loose snow sluffs to size 2 were running far and fast by mid-day Tuesday as an intense upslope storm moved through Waterton. Upper elevations may receive up to 25cms of new snow however the precip should taper off by late Tuesday.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Likely - Very Likely

Expected Size: 1 - 2