Archived

Avalanche Forecast

Dec 5th, 2016–Dec 6th, 2016

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

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

Regions: Jasper.

Arctic air has arrived. Stay warm.

Weather Forecast

Tuesday and Wednesday will be -18 to -30, sunny, light NE to NW winds, and no precipitation. Thursday will be mixed cloud and -20 with light flurries in the evening into Friday.Â

Snowpack Summary

On Saturday night we received 10-20cm new snow with ridge-top snow transport and cross loading on Sunday. Winds have shifted light Northerly. Wind slabs 50+cm on some open features at TL and above. Nov 12 crust is exposed in open Alpine features on the windward side and down 40 to 70cms or more in the lee. Temperature gradient promoting facetting.

Avalanche Summary

No patrol Monday. Sunday's Icefield's patrol observed several loose dry activity on solar aspects. 2300 to alpine small windslabs 24-48 hrs old.

Confidence

The weather pattern is stable

Avalanche Problems

Wind Slabs

This condition would be found mainly on open lee slopes or cross-loaded gullies. Avoid traveling through or underneath these features.

Avoid travelling in areas that have been reverse loaded by winds.Avoid steep lee and cross-loaded slopes

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

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 3