Avalanche Forecast

Issued: Apr 2nd, 2012 4:23PM

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

a.l. horton, Parks Canada

Jasper.

Warm temperatures on Monday night with the possibility of rain showers on Tuesday will increase the avalanche hazard at all elevations.

Summary

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

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

Problems

Wind Slabs

Moderate to strong SW winds continue to build slabs on lee slopes. No avalanches noted on this layer but bonds have not been tested.

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

Elevations: Alpine, Treeline.

Likelihood

Possible - Likely

Expected Size

2 - 3

Deep Persistent Slabs

This layer appears to be waking up as the snowpack absorbs heat. There have been numerous reports of large avalanches especially to the south of us. Triggering is more likely from shallow areas on the slope. Easy time to be caught off guard.

Aspects: All aspects.

Elevations: All elevations.

Likelihood

Possible

Expected Size

2 - 4

Loose Wet

The snowpack will remain warm overnight with the possibility of rainshowers on Tuesday. Expect avalanche activity at lower elevations even on northerly slopes.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Likely

Expected Size

1 - 2

Valid until: Apr 3rd, 2012 4:00PM