Avalanche forecast

Banff Yoho Kootenay

Nov 15 – 16, 2019Parks Canada
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Archived · expired 7 years ago

Avalanche danger

Sat
Sun
Alpine
2 · Moderate
Treeline
1 · Low
Below
1 · Low
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Highlights

Many early season hazards exist, related to thin snowpack coverage. Be on the lookout for wind slabs in lee areas in the alpine.

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely - Possible
    Size
    1–1.5

    Watch for wind slabs in lee areas in the alpine.

Weather Forecast

Mainly cloudy on Friday with isolated flurries throughout the day, with an alpine high of -3, 15-45 km/hr SW winds and a freezing level up to 1700m. Saturday will see ~5cm of snow and increasing winds. Sunday the storm intensifies bringing up to 20cm of snow, 20-75km/hr winds and a freezing level up to 2000m.

Snowpack Summary

10-20 cm of settled snow sits on the Nov 8 crust and a variety of old wind slabs in the alpine. The Nov 8 crust is present up to 2400 m. Faceting observed around the Oct crusts near the ground. Treeline snow depths range from 50-80 cm, and up to 110 cm wind loaded pockets in the alpine.

Avalanche Summary

No avalanches observed or reported on Thursday.

Confidence

Due to the number and quality of field observations

Regions covered