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Archived

Avalanche Forecast

Jan 12th, 2016–Jan 13th, 2016
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
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: Little Yoho.

Surface sluffs are running far and fast below treeline.

Weather Forecast

Very light precip, overcast skies and mod-strong wind from the west can be expected for the next 2 days. The wind should die down on friday.

Snowpack Summary

A total of 20cm of storm snow sits (~10cm overnight) on top of the Jan 6 surface hoar/crust. Below the Jan 6 layer lies a generally weak and faceted snowpack. Wind slabs in immediate alpine lee areas can be expected due to increased wind last 24 hr.

Avalanche Summary

A size 1.5 was observed on a steep rocky slope on Mt. Dennis today. This was probably a windslab that was triggered by a small cornice.

Confidence

Due to the quality of field observations on Tuesday

Avalanche Problems

Loose Dry

The new snow from last night is sluffing very easily in steep terrain below treeline. Skiers remember to manage the sluffs, and ice climbers watch you don't get knocked off your feet.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2

Wind Slabs

New snow overnight with mod-strong west wind has produced soft winslabs in the alpine. Typically they dissipate once significantly below ridge crest.

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

Elevations: Alpine.

Likelihood: Possible

Expected Size: 1 - 2