Avalanche Forecast

Issued: Mar 15th, 2012 4:00PM

The alpine rating is considerable, the treeline rating is considerable, and the below treeline rating is moderate. Known problems include Storm Slabs and Persistent Slabs.

Garth Lemke, Parks Canada

Jasper.

15cm and strong alpine winds as the front passes is expected for the Icefields area Thursday into Friday. Locally higher precipitation amounts may occur.

Summary

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Timing, track, or intensity of incoming weather system is uncertain on Friday

Problems

Storm Slabs

Moderate Southwest winds in the alpine continue to add slabs on Northeast aspects over the buried surface hoar layer. Another 15cm is forecast to arrive Thursday night into Friday. Triggering a storm slab has the potential to step down.

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

Elevations: All elevations.

Likelihood

Likely

Expected Size

1 - 3

Persistent Slabs

The buried surface hoar layer remains touchy in locations where it did not slide in last week's storm cycle. Cracking and whumpfing are still occurring. Extra caution is needed for slopes that did not slide last week.

Aspects: All aspects.

Elevations: All elevations.

Likelihood

Possible - Likely

Expected Size

2 - 4

Valid until: Mar 16th, 2012 4:00PM