Archived

Avalanche Forecast

Nov 14th, 2015–Nov 15th, 2015

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

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

Regions: Jasper.

Weather Forecast

Overnight on Saturday and into Sunday morning another 15cm of snow is forecast for the Icefields area. Winds from the south south east are forecast to be moderate.

Snowpack Summary

Snow depths are highly variable between elevation ranges and East to West across the region. Greater depths can be found in the Columbia Icefields area. Moderate to strong ridge top winds have created soft slabs on top of a faceted and shallow existing snowpack.

Avalanche Summary

Some small slabs and loose snow slides were observed at treeline elevations in the Icefields area's today.

Confidence

Timing, track, or intensity of incoming weather system is uncertain on Tuesday

Avalanche Problems

Storm Slabs

55cm of storm snow in the past 48 hours in the Icefields area has fallen on a shallow early season older snowpack of facets and crusts.

Use caution in lee areas in the alpine and treeline. Recent storm snow has formed touchy slabs.Expect heavy trailbreaking until the storm snow settles out.

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

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1 - 2

Loose Dry

Point releases from cliffs and steep smooth surfaces.

Be very cautious with gully features.Be careful with wind loaded pockets while approaching and climbing ice routes.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1 - 2