Avalanche forecast

Banff Yoho Kootenay

May 7 – 8, 2014Parks Canada
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Archived · expired 12 years ago

Avalanche danger

Fri
Sat
Alpine
2 · Moderate
Treeline
2 · Moderate
Below
2 · Moderate
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Highlights

Pay attention to how quickly the day is warming up and how good the overnight freeze is. Start and finish your days early.

Avalanche problems

  • Loose Wet

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Likely
    Size
    1–2
    A sunny day with high freezing levels is forecasted for Thursday. Expect solar related avalanches as the day warms up.

  • Deep Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely - Possible
    Size
    1–3
    Pay attention to shallow snowpack areas, as this is the most likely place to trigger this deeper instability.

Weather Forecast

Mixed sun and cloud with freezing levels around 2500 m for Thursday. Friday and Saturday forecasted for flurries and freezing levels around 2100 m.

Snowpack Summary

In the alpine there is 5 -10 cm of low density new snow overtop of the previous 40-60 cm of storm snow from last week.  All aspects except true north are seeing the effects of solar heating with sun crusts forming to ridgetops. On north aspects the storm snow is bonding well to previous surfaces and is dry above 2000 m.

Avalanche Summary

Solar related loose snow avalanches up to Class 2.

Confidence

Freezing levels are uncertain

Regions covered