Avalanche Forecast

Issued: Dec 2nd, 2017 4:00PM

The alpine rating is moderate, the treeline rating is moderate, and the below treeline rating is low. Known problems include Wind Slabs.

deryl kelly, Parks Canada

Jasper.

Moderate danger rating represents a heightened avalanche conditions, human triggered avalanches are possible. This is not the green light to go everywhere.

Summary

Weather Forecast

Cooling with broken skies. No precip forecasted for the near future. Winds will remain light to moderate out of SW.

Snowpack Summary

Wind slabs in exposed lee features. A significant crust (black friday, Nov.23) can be found down 30 to 70cms. A persistent slab overlays this crust and so far the bond appears to be strengthening at this interface. The Halloween crust sits well down in the snowpack at TL locations and as high as 2700m.

Avalanche Summary

No new avalanches observed or reported

Confidence

Problems

Wind Slabs

Wind slabs continue building at ridge tops and if triggered, has the potential to step down to the deeper instability.

Avoid freshly wind loaded features.

Aspects: North, North East, East, South East, South.

Elevations: Alpine, Treeline.

Likelihood

Possible

Expected Size

1 - 3

Valid until: Dec 3rd, 2017 4:00PM