Avalanche Forecast
Issued: Apr 13th, 2023 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs.
trettie,
Avalanche Canada
Use extra caution in wind effected terrain, especially on large slopes or slopes with overhead hazard. Several remotely triggered avalanches have been reported in the past few days.
Summary
Confidence
Moderate
Avalanche Summary
During the week several remotely triggered storm and wind slabs have been reported. these avalanches typically occurred between 2000 and 2300 m and on a variety of aspects. A layer of facets and/or a crust down around 60 cm is likely responsible. Check out this MIN for an example of these avalanches.
Snowpack Summary
The alpine is variably wind effected. Dry snow can still be found on sheltered north aspects at treeline and above. A crust exists on or near the surface on all other terrain.
A layer of facets and a crust from early April can be found down up to 60 cm at treeline and above.
The base of the snowpack remains faceted and weak. Avalanche activity has not been observed on this layer recently but concern remains for shallow rocky snowpack areas.
Weather Summary
Thursday Night
Partly clear with the possibility of light flurries bringing trace amounts of new snow. Light northwest winds and a low of -9°C at 1800 m.
Friday
A mix of sun and cloud with no new snow expected. Light variable winds and freezing levels rising to 1800 m.
Saturday
Cloudy in the afternoon with up to 5 cm of new snow possible. Strong southerly winds and freezing level rising to 1600 m with the snowline around 1300 m.
Sunday
Stormy with up to 15 cm of new snow expected. Moderate southerly winds and freezing levels rising to 1500 m. Snowline around 1100 m.
More details can be found in the Mountain Weather Forecast.
Terrain and Travel Advice
- Be especially cautious as you transition into wind affected terrain.
- Minimize your exposure time below cornices.
- Remote triggering is a concern, watch out for adjacent and overhead slopes.
Problems
Wind Slabs
Rider triggerable wind slabs will still be found on lee and cross loaded features at treeline and above. A layer of facets and/or a crust buried down around 60 cm could make wind slabs larger and more reactive.
Aspects: North, North East, East, South East, South, West, North West.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Apr 14th, 2023 4:00PM
