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Archived

Avalanche Forecast

Jan 28th, 2014–Jan 29th, 2014
Alpine
1: Low
The avalanche danger rating in the alpine will be low
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
1: Low
The avalanche danger rating in the alpine will be low
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
1: Low
The avalanche danger rating in the alpine will be low
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 Coastal.

Some thin new wind slabs are expected to develop with the forecast new snow. New snow is not expected to bond well to the old hard surface where surface hoar and/or facets exist.

Confidence

Fair - Timing, track, or intensity of incoming weather system is uncertain

Weather Forecast

Overnight and Wednesday: Overcast with moderate Westerly winds overnight and 3-5 cm of snow above about 700 metres. The freezing level is expected to continue to drop during the day as light flurries continue.Thursday: A few more cm of snow are forecast for the morning before the winds shift to the Northeast and colder arctic air enters the region.Friday: Mostly clear with moderate Northerly winds and freezing levels at valley bottoms. Alpine temperatures around -15.

Avalanche Summary

No new avalanches reported.

Snowpack Summary

Below freezing temperatures have developed a solid melt-freeze crust at all elevations and on most aspects. Some dry facetted snow may exist on sheltered North aspects. New surface hoar has been reported on slopes that are sheltered from the sun at and below treeline.  A well settled mid and lower snowpack may rest on basal facets, especially in thin snowpack areas at higher elevations.

Avalanche Problems

Deep Persistent Slabs

Deeply buried weak facetted crystals continue to be a concern on slopes with a shallow snowpack.
Avoid open slopes and convex rolls at and below treeline where buried surface hoar may be preserved.>Avoid convexities or areas with a thin, rocky or variable snowpack.>

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely

Expected Size: 4 - 7