Avalanche Forecast
Avalanche Bulletin - Banff, Yoho, and Kootenay National Parks
Heads up skiers and climbers! With fresh snow and winds the Dec 15 layer will soon wake up. Pay attention to new snowfall amounts and fresh wind slabs.
Avalanche Problem 1: Wind Slabs
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
Travel and Terrain Advice
- Use caution in lee areas. Recent wind loading has created wind slabs.
Avalanche Summary
No natural avalanches observed or reported in past 24 hours.
Snowpack Summary
25-40cm of snow sits over the Dec 15 layer which consists of surface hoar, sun crust, or facets depending on location. Easy to mod shears found on this layer. Below this the snowpack is heavily faceted with remnants of older crust's still lingering throughout, but no significant shears found in the lower pack. Some isolated windslabs near ridgetop.
Weather Forecast
Cooling trend with up to 10 cm new snow at tree-line and moderate SW winds forecasted for Wednesday. High pressure ridge will start to rebuild over area on Friday.
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Recent and forecasted snow will be moved around by the SW winds and forming fresh wind slabs in the alpine. These slabs can fail on the the Dec 15 interface which is showing easy to moderate shears.