Archived

Avalanche Forecast

Feb 4th, 2013–Feb 5th, 2013

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

2: Moderate

The avalanche danger rating below treeline will be moderate

Alpine

4: High

The avalanche danger rating in the alpine will be high

Treeline

3: Considerable

The avalanche danger rating at treeline will be considerable

Below Treeline

2: Moderate

The avalanche danger rating below treeline will be moderate

Alpine

4: High

The avalanche danger rating in the alpine will be high

Treeline

4: High

The avalanche danger rating at treeline will be high

Below Treeline

3: Considerable

The avalanche danger rating below treeline will be considerable

Regions: Glacier.

Significant overnight winds. Watch for new and buried wind slab on north and east aspects and over a sun crust on solar aspects.

Weather Forecast

Westerly flow is bringing moderate precipitation and more seasonal temperatures to the region today into Wednesday.

Snowpack Summary

10cm of new snow overlies a sun crust on solar aspects. Profile at 2175m, E aspect, 37deg., Mcgill Shoulder area showed 265cm of snow. Settled snow in top 40cm, well settled mid pack. The Nov 6 crust was down 230cm. Moderate to hard broken and resistant planar results down 20 and 30cm and a Reutschblock 4 (whole block) down 30cm.

Avalanche Summary

No new avalanche observations from yesterday.

Confidence

Forecast snowfall amounts are uncertain on Tuesday

Avalanche Problems

Wind Slabs

Strong south winds have come with new snow and are remaining steady. Caution on lee slopes. Previous wind slab is newly buried as is a sun crust on solar aspects.

Avoid freshly wind loaded features.Be cautious as you transition into wind affected terrain.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2