Avalanche forecast

Jasper

Nov 18 – 19, 2011Parks Canada
View on map
Archived · expired 15 years ago

Avalanche danger

Fri
Sat
Alpine
2 · Moderate
Treeline
1 · Low
Below
1 · Low
Open full map

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible
    Size
    1–2
    Soft to hard slabs up to 40cm thick can be found in gullies and lee terrain. The condition is less prevalent at Treeline.

  • Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible
    Size
    2–3
    It is possible to trigger an avalanche at this layer that would involve a full path release to ground. Whumphing was observed at treeline in the Icefield Area, failing on the weak basal facets buried by this layer.

  • Storm Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely - Possible
    Size
    1–2
    The 8-10 cm of new snow that fell around the Icefield Area has not yet bonded to the snow below.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

The weather pattern is stable on Friday

Regions covered