Avalanche forecast

Banff Yoho Kootenay

Nov 14 – 15, 2012Parks Canada
View on map
Archived · expired 14 years ago

Avalanche danger

Wed
Thu
Alpine
2 · Moderate
Treeline
1 · Low
Below
No rating
Open full map

Highlights

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely - Possible
    Size
    1–2
    Various hard and soft wind slabs (20-50cm thick) in the alpine are sitting on the Nov.6 crust and producing moderate shears with compression test. Slabs becoming less reactive but still possible for a skier to trigger these slabs in steep lee terrain

  • Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely - Possible
    Size
    2–3
    In helicopter flight over the Wapta on Sunday several deep slabs size 2-3 were been noted on isolated steep alpine slopes . Failure plane was at the bottom of the snow pack on firn or glacier ice. 

Weather Forecast

Mixed sun and cloud for tomorrow with freezing levels around 1300 meters.. No snow forecasted through the end of the week.

Snowpack Summary

25 to 35 cm of last weeks storm snow overtop of Nov. 6 rain crust. This crust is well developed up to 2500 m and disappears around 2700m. Pit at Bow Summit showed mod. shears within crust with compression test. Various hard and soft slabs found in alpine

Avalanche Summary

No new naturals avalanches observed today. 

Confidence

Regions covered