Avalanche Forecast

Issued: Jan 29th, 2013 4:00PM

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

mike eder, Parks Canada

Jasper.

Winds will redistribute any light snow accumulations onto lee aspects. Watch for soft slab development in terrain features in the Alpine and at treeline.

Summary

Weather Forecast

The forecast calls for light snow flurries with 5 - 10cm of accumulation on Tuesday night. The flurries will continue through to the end of the week. Surface winds will be light to moderate from the Southwest/ West while alpine ridgetop winds will be predominantly moderate to strong from the Northwest.

Snowpack Summary

Light snow flurries producing 3 - 5 cm accumulations throughout Jasper in the past 24 hours. No significant change to snowpack structure: windslabs in exposed lee features, faceted midpack at lower elevations, and poor travel with difficult trail-breaking below treeline.

Avalanche Summary

No new avalanches were observed or reported today.

Confidence

Wind effect is extremely variable

Problems

Wind Slabs

Hard windslabs can be found on a variety of aspects in the alpine and are generally very stubborn to trigger.�

Be cautious as you transition into wind affected terrain.

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

Elevations: Alpine, Treeline.

Likelihood

Unlikely

Expected Size

1 - 3

Valid until: Jan 30th, 2013 4:00PM