Archived

Avalanche Forecast

Apr 27th, 2012–Apr 28th, 2012

Alpine

1: Low

The avalanche danger rating in the alpine will be low

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

Alpine

1: Low

The avalanche danger rating in the alpine will be low

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

Alpine

1: Low

The avalanche danger rating in the alpine will be low

Treeline

1: Low

The avalanche danger rating at treeline will be low

Below Treeline

2: Moderate

The avalanche danger rating below treeline will be moderate

Regions: Jasper.

A strong melt freeze crust overnight will provide excellent early day travel conditions. Expect this crust to deteriorate by early afternoon.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Timing or intensity of solar radiation is uncertain on Saturday

Avalanche Problems

Loose Wet

A good melt freeze crust should develop overnight Friday. Expect unstable isothermal conditions below treeline. Loose snow avalanches to size 2 are possible on steeper slopes by the afternoon under sunny skies.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Possible

Expected Size: 1 - 2

Deep Persistent Slabs

Large triggers such as cornice failure could release large slab avalanches on several deep failure planes including ground, especially on steep slopes with a smooth rock slab bed surface.

Aspects: North, North East, East.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 2 - 3