Avalanche Forecast
Issued: Nov 10th, 2012 4:37PM
The alpine rating is Wind Slabs.
, the treeline rating is , and the below treeline rating is Known problems includeTravel is generally good, but it is still early season and the consequences of even a small ride could be very serious.
Summary
Weather Forecast
Cold temps will last for one more day before a weak NW to Westerly shift will bring some light precipitation and milder temperatures for Monday
Snowpack Summary
Facetting and slow storm snow settlement with cold temps. The November 6 crust is weak above 22000m but more developed at lower treeline elevations. I Isolated wind slabs in open areas.
Avalanche Summary
A large deep slab avalanche was observed on the N Face of Mt.Haddo near Lake Louise that likely failed on old firn snow. This avalanche was a 3 and occurred on Wed., but shows that in the right location in the alpine things may not be so stable.
Confidence
Problems
Wind Slabs
Wind slabs 20-50cm thick near lees of ridgecrests are sitting on the Nov.6 crust or within the storm snow above.� These are currently very isolated in nature, but can be found on all aspects due to the easterly winds.
- Avoid exposure to terrain traps where the consequences of a small avalanche could be serious.
- Avoid travelling on ledges and cliffs where sluffing may have severe consequences.
Aspects: All aspects.
Elevations: Alpine.
Likelihood
Expected Size
Valid until: Nov 11th, 2012 4:00PM