Archived

Avalanche Forecast

Apr 16th, 2015–Apr 17th, 2015

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

1: Low

The avalanche danger rating below treeline will be low

Alpine

2: Moderate

The avalanche danger rating in the alpine will be moderate

Treeline

1: Low

The avalanche danger rating at treeline will be low

Below Treeline

1: Low

The avalanche danger rating below treeline will be low

Alpine

2: Moderate

The avalanche danger rating in the alpine will be moderate

Treeline

1: Low

The avalanche danger rating at treeline will be low

Below Treeline

1: Low

The avalanche danger rating below treeline will be low

Regions: Jasper.

High winds continue to rake the alpine from the west making travel feel more like winter. Heads up for windslabs on lee features.

Weather Forecast

Mix of sun and cloud Friday with a chance of showers in the afternoon. Moderate winds from the west will make it feel cooler. Stronger winds in the alpine to 50km. Clearing for the weekend and back to seasonal norms.

Snowpack Summary

Strong Southwesterly winds have created pockets of windslab and obliterated exposed areas at upper elevations. Weak basal facets are bridged by a strong mid-pack in most areas at treeline and above.

Avalanche Summary

Natural cornice failures continue and many more are waiting their turn to fall.

Confidence

The weather pattern is stable on Saturday

Avalanche Problems

Wind Slabs

Wind slabs have formed on lee slopes and cross loaded features at alpine and exposed tree line elevations.

Use caution in lee areas. Recent wind loading have created wind slabs.Avoid cross loaded slopes at or above treeline.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2

Cornices

Natural cornice failures are being observed daily. Many more are waiting their turn to drop in...

Extra caution needed around cornices with current conditions.

Aspects: North, North East, East.

Elevations: Alpine.

Likelihood: Possible

Expected Size: 1 - 2