Avalanche Forecast
Issued: Mar 12th, 2015 9:30AM
The alpine rating is Wind Slabs.
, the treeline rating is , and the below treeline rating is Known problems includeSummary
Confidence
Fair - Timing, track, or intensity of incoming weather system is uncertain
Weather Forecast
Forecast models disagree on the amount of precipitation the region will get, but precipitation is coming. Upper elevations may receive 15 to 20 cm of snow along with strong South winds. Freezing level will hover around 1500m for Thursday but Friday will see the freezing level rise to almost 2000m, then drop on Saturday on its way to valley bottom on Sunday. For more information see:http://www.avalanche.ca/weather
Avalanche Summary
No reports of avalanche activity from yesterday, but that is probably because of poor weather and lack of observations.Â
Snowpack Summary
Incoming precipitation will add load to the already reactive wind slabs in exposed lee terrain at treeline and in the alpine. Snow and winds from earlier in the week have added size and destructive potential to the developing wind slab problem. There are a variety of interfaces including old wind slabs, hard crusts, surface hoar, and/or surface facets buried below the recent storm snow. At the base of the snowpack, weak facets may be found and could possibly be triggered with a big enough load such as a cornice failure. Cornices are now getting to be large and potentially unstable. Solar aspects are also a concern, especially in the afternoon.
Problems
Wind Slabs
Aspects: North, North East, East, South East, South, South West.
Elevations: All elevations.
Likelihood
Expected Size
Valid until: Mar 13th, 2015 2:00PM