Archived

Avalanche Forecast

Dec 9th, 2011–Dec 10th, 2011

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: Northwest Inland.

Confidence

Fair - Intensity of incoming weather is uncertain on Saturday

Weather Forecast

2-4cms of snow accompanied by moderate to strong southwest winds are expected on friday evening. Light flurries and light to moderate westerly winds are forecast to continue through saturday, but a ridge should develop by sunday bringing clearing conditions to the region through monday.Freezing levels are expected to sit between 600m and surface for the forecast period.

Avalanche Summary

No recent avalanche activity has been reported.

Snowpack Summary

For the most part the snow surface is some sort of hard crust or wind-sculpted snow, which probably has surface hoar growing on it and facets forming beneath it. The mid and lower snowpack are generally quite strong. If snowfall and wind materialize for friday night, a new wind/storm slab will exist in the alpine and perhaps down to treeline.

Avalanche Problems

Wind Slabs

Watch for new wind slabs on lee aspects. Loading may occur lower down on slopes due to forecast high winds.

Aspects: North, North East, East.

Elevations: Alpine, Treeline.

Likelihood: Likely

Expected Size: 1 - 2