Avalanche Forecast
Issued: Apr 9th, 2017 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Persistent Slabs, Cornices and Loose Wet.
aaron beardmore,
Avalanche Canada
Solar radiation will have an impact on South East through West aspects tomorrow at treeline and below.
Summary
Weather Forecast
A clearing trend starting tomorrow will enter the forecast region. Temperatures however, will remain cool-ish hovering around -12 near 3000m. The wind may pickup to the moderate range from the west for a short period of time. The freezing level is not expected to rise much above surface tomorrow.
Snowpack Summary
Up to 20cm of storm snow from the last 48 hours above 2000m. The lower elevation snowpack remained intact with cooler temperatures. Snow melt was isolated to valley bottom. There is still uncertainty surrounding the persistent slab problem, as such, avoidance of large slopes is still recommended.
Avalanche Summary
No avalanches observed or reported today.
Confidence
Problems
Persistent Slabs
The snowpack is generally unstable, despite the strong feel of the surface layers. This layer remains reactive in snowpack test and can produced large avalanches. Patience is a virtue with this kind of problem.
Aspects: All aspects.
Elevations: All elevations.
Likelihood
Expected Size
Cornices
April is cornice season, and we are getting regular reports of cornices failing and triggering deep slabs. Mature cornices can propagate much further than you expect, so give them a wide margin when traveling on ridges.
- Avoid steep slopes below cornices.
Aspects: North, North East, East, South East.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Loose Wet
Recent storm snow and potential for solar radiation tomorrow may induce loose wet avalanches on SE through W aspects tomorrow at treeline and below.
Aspects: North, North East, East, South East.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Apr 10th, 2017 4:00PM
