Avalanche Forecast
Kananaskis Country, Alberta Parks
Some areas have extensive windslabs down into treeline while in some areas there is less affect. Forecasters are still avoid large overhead features that havent released.
Avalanche Problem 1: Wind Slabs
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
Travel and Terrain Advice
- If triggered the wind slabs may step down to deeper layers resulting in large avalanches.
- Use caution in lee areas. Recent wind loading has created wind slabs.
Avalanche Problem 2: Persistent Slabs
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
Hard and sudden planar results are being observed on this layer down in general 120cm. Its getting harder to trigger but will result in large avalanches.
Travel and Terrain Advice
- Use caution on open slopes and convex rolls at treeline where buried surface hoar may be preserved.
- Dig down to find and test weak layers before committing to a line.
Avalanche Problem 3: Deep Persistent Slabs
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
Recent avalanche activity has shown the potential for avalanches to step down to this layer.
Travel and Terrain Advice
- Be aware of the potential for full depth avalanches due to deeply buried weak layers.
Avalanche Summary
No new avalanche activity was observed.
Snowpack Summary
5-10cm of recent snow is overlying windslabs in some areas that are up to 30cm thick. These windslabs seem to be very variable in terms of extent and location. On Saturday only minimal slabs were encountered at treeline and then on Sunday in the Heros Bowl area, windslabs well down into treeline caused forecasters to turn around. Where these slabs are being observed they are failing in the easy to moderate range down 20-40cm. Deeper in the snowpack the December and January layers can still be found. Hard results in snowpack tests that are sudden planar in nature indicate that this layer may be getting harder to trigger, but if it goes it will be a large avalanche. In general these layers are down 100-140cm so be curious and dig and examine.
Weather Forecast
Cold temps, light northerly winds and no new precip is the theme for the next few days! Be on slopes with a solar aspect to make the day more enjoyable! -26's are a theme for the next few days.
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Widepsread windslabs in Alpine terrain and more variable at treeline locations. Some areas there has been winds well down into the timber and others not so much.