Avalanche Forecast

Issued: Apr 15th, 2015 4:00PM

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

max darrah, Parks Canada

Jasper.

Enjoy the great spring skiing in Jasper!

Summary

Weather Forecast

Cool and clear weather continues in the short term. Temperatures to drop towards the weekend and be accompanied by up to 10cm of new snow by Saturday morning. Southwest flow continues, with strongest winds expected on Thursday afternoon.

Snowpack Summary

Strong Southwesterly winds have created pockets of windslab and obliterated exposed areas at upper elevations.Â Weak basal facets are bridged by a strong mid-pack in most areas at treeline and above.

Avalanche Summary

Natural cornice failures continue and many more are waiting their turn to fall. Several point releases observed on steep solar aspects.

Confidence

Problems

Wind Slabs

Wind slabs have formed on lee slopes and cross loaded features at alpine and exposed tree line elevations.

Avoid cross loaded slopes at or above treeline.Use caution in lee areas. Recent wind loading have created wind slabs.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Possible

Expected Size

1 - 2

Cornices

Natural cornice failures are being observed daily. Many more are waiting their turn to drop in...

Extra caution needed around cornices with current conditions.

Aspects: North, North East, East.

Elevations: Alpine.

Likelihood

Possible

Expected Size

1 - 2

Valid until: Apr 16th, 2015 4:00PM