Avalanche forecast

Jasper

Nov 11 – 12, 2019Parks Canada
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Archived · expired 7 years ago

Avalanche danger

Tue
Wed
Alpine
2 · Moderate
Treeline
1 · Low
Below
No rating

Highlights

Early season conditions persist.  Minimal coverage at Treeline and Below

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely - Possible
    Size
    1–2

    There are variable wind slabs throughout the region. Be extremely cautious in terrain traps where even a small slide could have dangerous consequences. Higher Consequence above 2400m due to lack of new rain crust.

  • Loose Dry

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible
    Size
    1–2

    Potential sluff issue in very steep terrain. Upper alpine. Climbers!

Weather Forecast

A mix of sun and cloud for the next few days.

Mon high -7.  Light ridge winds west . Precip. Nil

Tues high -2. Low -8.  Light ridge winds west.  Precip Trace

A detailed forecast can be found from Avalanche Canada's, Mountain Weather Forecast.

Snowpack Summary

New rain crust to 2400m. 5-10 cm recent storm snow sits above this new Nov crust. Total snow pack height in alpine 45-85 cm. Snowpack sits atop a weak basal crust from Oct 07.

Avalanche Summary

From Friday: Natural avalanche cycle up to size 2 were mostly loose point release on all aspects at treeline. They remain relatively small. One slab release size 2 on Parker Slabs from steep deposition zone showed good propagation likely on the basal crust. Visibility was limited. No new avalanches observed Sunday

Confidence

Due to the number of field observations

Regions covered