Avalanche Forecast

Issued: Feb 26th, 2015 4:00PM

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

deryl kelly, Parks Canada

Jasper.

Dramatic warming variations in temperature and solar input will change the danger rating locally.Get the sunscreen back in the bag as the UV is packing a punch again, even on cloudy days.

Summary

Weather Forecast

Temperatures will drop this evening and continue to drop over the day Friday. Light winds and blue skies expected for Saturday.

Snowpack Summary

A sun-crust is present on solar aspects up to 2500m. A supportive mid pack consisting of rounded and facetted layers is bridging the weak depth hoar/facet layers that make up the lower snowpack.

Avalanche Summary

No new avalanches were observed or reported today.

Confidence

Problems

Deep Persistent Slabs

Triggering this weakness will require a large load (such as a cornice) in areas of deeper snowpack.

Caution around convexities or areas with a thin or variable snowpack.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Unlikely - Possible

Expected Size

1 - 3

Wind Slabs

Entrances or convexities with obvious wind effect are likely areas where you may find a shallow wind slab.

Be careful with wind loaded pockets. Be aware of wide variation in snowpack depth

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

Elevations: Alpine, Treeline.

Likelihood

Unlikely - Possible

Expected Size

1 - 2

Valid until: Feb 27th, 2015 4:00PM