Avalanche Forecast
Avalanche Bulletin - Jasper National Park
Incoming new snow will improve the skiing somewhat, hopefully without overloading the weak interfaces left in the wake of the December drought.
Avalanche Problem 1: Wind Slabs
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
Travel and Terrain Advice
- Approach steep lee and cross-loaded slopes with caution.
Avalanche Problem 2: Loose Dry
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
Main concern is for weak, unconsolidated snow on steep rocky features as well as areas in the alpine where a small sluff can build mass.
Travel and Terrain Advice
- Be cautious of sluffing in steep terrain.
Avalanche Summary
No new avalanches observed or reported.
Snowpack Summary
Exposed areas have pockets of wind slab covering variable drought interfaces - facets, surface hoar, sun and wind crusts. The upper snowpack is facetted and sugary in sheltered areas. The mid snowpack is generally supportive. Two buried crusts, one mid snowpack and one near the base, have the potential to become reactive with future loading.
Weather Forecast
Returning to a more normal thermal structure, milder air in the valleys and colder air aloft. A Westerly flow aloft will bring a series of Pacific weather systems through our area for the next few days.
Monday: Flurries. Accumulation: 5-10 cm. Alpine temperature: Low -8 °C, High -4 °C. Ridge wind Light SW. Freezing level: 1500 metres.
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Several layers of wind slab exist from multiple wind events - reactivity may vary from site to site.