Avalanche Forecast
Kootenay Boundary
Recent snowfall with associated strong winds has produced new slabs. Assess the snow carefully before entering into avalanche terrain.
Avalanche Problem 1: Storm Slabs
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
Travel and Terrain Advice
- Observe for the bond of new snow with the old surface before committing into avalanche terrain.
- Be aware of the potential for loose avalanches in steep terrain where snow hasn't formed a slab.
- Use ridges or ribs to avoid pockets of wind-loaded snow.
Avalanche Problem 2: Loose Wet
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
Recent rainfall and warm temperatures at low elevations have weakened the snow surface. Watch out for steep and gullied terrain, where small avalanches can build and have severe consequences.
Travel and Terrain Advice
- Use caution above cliffs and terrain traps where small avalanches may have severe consequences.
- Use extra caution on slopes if the snow is moist or wet.
Avalanche Summary
Recently formed slab avalanches were reactive to skier traffic on Friday. See this MIN report for more info and photos. Small loose wet avalanches were also triggered by skiers and naturally.
Snowpack Summary
Around 20 to 30 cm of storm snow fell with strong southeast winds, redistributing it into lee features in exposed terrain. The new snow overlies a thin crust and settled snow from last weekend. A 5 cm thick crust is found around 50 cm deep on all aspects and elevations, except above 1900 m on north slopes.
The snowpack below this is generally well-settled and strong.
Weather Forecast
SUNDAY: Cloudy with light snowfall, accumulation 5 to 10 cm, light southwesterly winds, alpine temperature -3 C, freezing level 1600 m.
MONDAY: Mix of sun and cloud, light southwesterly winds, alpine temperature -2 C, freezing level 1800 m.
TUESDAY: Mix of sun and cloud, alpine temperature 2 C, freezing level 2500 m.
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Expect to find new slabs from recent snowfall. Expect thicker and more reactive slabs in lee features due to strong south to easterly winds.