Avalanche forecast

Banff Yoho Kootenay

Dec 29 – 30, 2012Parks Canada
View on map
Archived · expired 14 years ago

Avalanche danger

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

Highlights

Mainly stable conditions, especially W of the divide in deeper snowpack areas.  East of the Divide, more variability exists in thinner snowpack areas. SH

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely - Possible
    Size
    1–2
    A storm on December 23 dropped between 15 to 30 cm of low density snow over the forecast region. Variable� winds have created some wind slabs within the storm snow at ridge top elevations.

Weather Forecast

Light N to NW winds and a stable, clearing trend for the next 3 days.  Freezing levels will remain at valley bottom through this time.

Snowpack Summary

Profile at 2140m in Kootenay found HS 140-150 with no compression results. 30cm low density on settled midpack in that area. The basal Nov.6 crust W of divide less visible and is bonded very well.  On thin areas E of the divide the crust is facetting and weakening. Windslabs 20-40cm thick to 1 finger stiffness found on lees of ridges in the alpine.

Avalanche Summary

No avalanche observations in the last 24 hours.  Mainly stable snowpack at the moment, especially West of the divide.

Confidence

The weather pattern is stable

Regions covered