Avalanche Forecast
Avalanche Bulletin - Jasper National Park
Monitor Sunday's storm for snow amounts increasing the hazard through the day. Plan your travels accordingly.
Avalanche Problem 1: Storm Slabs
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
Travel and Terrain Advice
- Use caution when traveling in the alpine and treeline. Storm snow will form touchy slabs.
Avalanche Problem 2: Wind Slabs
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
Reactive wind slab, 20-30cm deep predominately on exposed alpine and treeline features. Human triggering possible.
Travel and Terrain Advice
- Be careful with wind loaded pockets while approaching and climbing ice routes.
- Avoid terrain traps, such as gullies, where the consequences of a small avalanche could be serious.
Avalanche Summary
No new natural activity reported from a field team on Saturday. Climbers should still remain vigilant as even triggering a small avalanche in a gully feature or above cliffs can have severe consequences. Expect increased likelihood of avalanches with incoming storm on Sunday.
Snowpack Summary
Strong SW winds is affecting exposed slopes and ridge tops in the alpine the last 24 hours creating windslabs. Generally a strong, and supportive early winter snowpack exists with depths ranging from 30 to 100+ cm depending on aspect and exposure to wind. The snowpack will change with incoming storm Sunday.
Weather Forecast
20-40cm of storm snow will arrive Sunday afternoon into Monday morning with strong SW winds and -6 to -11. The storm will clear Monday followed by another 20cm storm on Tuesday night.
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Hazard will increase during the day on Sunday as loading of storm snow arrives. Exact snow amounts are uncertain.