Avalanche Forecast
Avalanche Bulletin - Jasper National Park
Another beautiful day to recreate in the mountains.
Expecting some light snow, and gusty upper elevation winds leading into the weekend.
Avalanche Problem 1: Wind Slabs
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
Travel and Terrain Advice
- Watch for surface cracking and stiffer surface layers of snow.
- Best conditions found on sheltered aspects.
Avalanche Problem 2: Persistent Slabs
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
A cold, facetting, and structurally weak slab up to 80cm thick overlies faceted crystals (well developed in shallow areas).
Travel and Terrain Advice
- Be wary of slopes that did not previously avalanche.
Avalanche Summary
No new avalanche activity observed or reported.
Snowpack Summary
Surface facetting has weakened the upper snowpack through the forecast region. Where the snow is shallow (like BTL), there is little support underfoot. The upper snowpack is generally 50 to 80 cm, over the seasonally persistent instability. Wind slabs and wind effect in open areas in the alpine and treeline elevations.
Weather Forecast
Weather over the next week should remain a stable pattern. Cool overnight and temps rising to single digits over the day. Chance of scattered flurries with little accumulations. Temps and freezing levels will rise through the week, coupled with increased solar radiation, so expect the need apply some sunscreen over your day.
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Expect windslabs in the alpine and at open treeline. The cold has reduced slab conductivity, and the probability for long propagations. Caution is still warranted on exposed or extreme terrain features.