Avalanche Forecast
Issued: Apr 27th, 2014 9:15AM
The alpine rating is Wind Slabs, Cornices and Deep Persistent Slabs.
, the treeline rating is , and the below treeline rating is Known problems includeSummary
Weather Forecast
Synopsis: A strong upper ridge will build over the region on Monday and dominate through the week. This will bring mostly sunny skies, and moderate SW-W ridgetop winds. Freezing levels will rise to 1800 m on Monday and then climb steadily above 2000 m from Tuesday onward. No significant overnight freeze is expected.
Avalanche Summary
There are no recent reports of avalanche activity from the region. It's likely that any recent activity is a result of daytime warming, solar radiation , and/or periods of rain. We should see a return of warm sunny weather next week. When this happens expect a spike in loose wet activity, cornice releases, and sporadic deep slab avalanches.
Snowpack Summary
This is a broad general summary of conditions in the region based solely on recent weather data and previous snowpack information. It should be supplemented with local observations to help assess avalanche danger. Please refer to this document for additional snow and avalanche information and general travel advice.Over the past week we have seen light precipitation with a snow line somewhere around 1800 m (+/- 200 m). My best guess is that stubborn wind slabs exist in high north-facing terrain while warm temperatures and solar radiation may have created moist surfaces everywhere else. If there is a good overnight freeze these surfaces will form a hard crust. The deep facet/crust persistent weakness buried at the beginning of February (now down up to 80-100+ cm) should stay on your radar, especially on all alpine slopes during sunny periods. Any activity at this interface would be large and destructive. Also, give large sagging cornices a wide berth when traveling on or below corniced ridges.
Problems
Wind Slabs
Aspects: North, North East, East, South East.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Cornices
Aspects: North, North East, East, South East.
Elevations: Alpine.
Likelihood
Expected Size
Deep Persistent Slabs
Aspects: All aspects.
Elevations: Alpine.
Likelihood
Expected Size
Valid until: Apr 28th, 2014 2:00PM