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Archived

Avalanche Forecast

Feb 11th, 2020–Feb 12th, 2020
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
3: Considerable
The avalanche danger rating in the alpine will be considerable
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

Regions: Glacier.

There is some amazing skiing to be found right now!

Be aware some valleys have received more wind than others, so the presence of wind slabs at higher elevations should be investigated.

Weather Forecast

A trailing cold front will bring light snow today. A short-lived ridge builds tonight.

Today - Snow, tapering by mid-afternoon, 5cm. Winds mod W'ly gusting strong. Alpine high -7*C

Wed - Mix of sun and cloud, light W'ly winds, alpine high of -9*C

Thurs - Flurries amounting to 10cm. Mod SW'ly winds gusting strong. Alpine high of -7*C

Snowpack Summary

Moderate to strong SW winds are currently redistributing low density snow at ridge-top and exposed tree-line elevations. Variable soft slab should be expected in the immediate lee of ridges and across exposed alpine slopes. Below 1800m, the Feb 1 Melt-freeze crust is down 30cm and observed up to 10cm thick at 1300m.

Avalanche Summary

Numerous dry point releases (less than sz 1) were observed from steep/extreme terrain yesterday in the Asulkan Valley. A brief period of strong solar radiation triggered a sz 1.5 that hit a skier on the steep, S couloirs of Abbott, knocking their ski off.

Confidence

Avalanche Problems

Wind Slabs

Gusty SW winds are moving snow around right now, creating pockets of soft slab in the alpine and exposed tree-line locations. Steep zones like Cheops N, Macdonald, and the S side of Tupper will likely be active today with avalanches.

  • Be careful with wind loaded pockets, especially near ridge crests and roll-overs.
  • Caution on steep solar aspects where the snowpack is thin and or cross loaded.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2.5

Loose Dry

This week's low density snow has a propensity to sluff far and fast, especially with another 5-10cm today.

  • Use caution above cliffs and terrain traps where small avalanches may have severe consequences.
  • On steep slopes, pull over periodically or cut into a new line to manage sluffing.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Possible - Likely

Expected Size: 1 - 1.5