Avalanche Forecast
Avalanche Bulletin - Jasper National Park
Recent storm snow is settling rapidly, but good skiing can still be found at upper elevations.
Avalanche Problem 1: Storm Slabs
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
Travel and Terrain Advice
- Use safe ski cutting techniques before entering ski run.
- Use caution in lee areas. Recent wind loading have created storm slabs.
Avalanche Problem 2: Loose Wet
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
Watch for this to become reactive if the sun comes out.
Travel and Terrain Advice
- Avoid terrain traps, such as gullies, where the consequences of a small avalanche could be serious.
- Use caution above cliffs where small avalanches may have severe consequences.
Avalanche Summary
A road patrol on Sunday confirmed that solar aspects treeline and BTL have been producing loose wet avalanches to size 1 for the past 2-3 days. An isolated large avalanche (size 2.5) was observed to have failed on a steep rock slab, on a NE aspect in the alpine (2500m) in the past 2-3 days, the dimensions of this slab were 300m wide by 100cm deep.
Snowpack Summary
10-15cm of recent dense snow has created storm slabs, these have generally bonded well at treeline and below, but may remain reactive on alpine north aspects. Loose wet slides are a concern below treeline in the late afternoon (particularly if the sun is shining). Facets buried beneath February's multiple windslabs remains a layer worth tracking.
Weather Forecast
Continued light snow late Sunday drying overnight.
Monday. Winds shifting to the NW and increasing.
Mainly cloudy skies with light flurries possible Tuesday through Wednesday. Winds increasing to moderate west .
Freezing levels should remain below 1600m for the period.
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Fresh storm slabs may sit on a hard melt-freeze crust on solar aspects, and facets on polar aspects. Assess the bond at these interfaces carefully before committing to any avalanche start zones.