Avalanche Forecast

Issued: Feb 10th, 2014 8:08AM

The alpine rating is considerable, the treeline rating is considerable, and the below treeline rating is moderate. Known problems include Storm Slabs.

Avalanche Canada jlammers, Avalanche Canada

Summary

Confidence

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

Weather Forecast

Tuesday: Light snowfall throughout the day becoming heavy through the evening / Strong southwest winds / Freezing level at surfaceWednesday: Steady snowfall in the early morning becoming light / Strong southwest winds / Freezing level at surfaceThursday: Moderate snowfall / Strong southwest winds / Freezing level at 400m

Avalanche Summary

No new avalanches were reported, although observations were limited due to blowing snow.

Snowpack Summary

A developing storm slab overlies a medley of old surfaces which include: weak surface facets, surface hoar, thin wind slabs, a scoured crust, or any combination thereof. Strong winds are likely shifting the new snow into stiff wind slabs in exposed terrain. As the new slab develops and gains cohesion, I would expect it to have a poor bond with any of these old surfaces.The mid and lower snowpack are generally strong and well-settled. Basal facets and depth hoar are likely to exist in some parts of the region, but triggering has become unlikely.

Problems

Storm Slabs

An icon showing Storm Slabs
A developing storm slab sits over a variety of potentially weak surfaces. Triggering is most likely in wind-exposed terrain. With more snow on the way, conservative terrain selection will become critical.
The new snow will require several days to settle and stabilize.>Be cautious as you transition into wind affected terrain.>Choose conservative lines and watch for clues of instability.>

Aspects: All aspects.

Elevations: All elevations.

Likelihood

Likely

Expected Size

1 - 3

Valid until: Feb 11th, 2014 2:00PM

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