Avalanche Forecast

Issued: Apr 17th, 2012 4:09PM

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

Brian Webster, Parks Canada

Banff Yoho Kootenay.

Snow showers with freezing levels rising to around 2000 m is forecast for Wednesday and Thursday. On Friday the freezing levels are expected to rise to 2500 m.

Summary

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Problems

Loose Wet

The main concern in the snowpack is with wet loose snow avalanches on solar aspects in the afternoon. Pay attention to how hard of a freeze there was from the previous night and how quickly the snow is warming up. Start and finish yourr tours early.

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

Elevations: All elevations.

Likelihood

Possible - Likely

Expected Size

1 - 2

Wind Slabs

Wind slabs can still be found in isolated areas near ridge tops. Pay attention to where these wind slabs may be sitting on top of a sun crust.

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

Elevations: Alpine.

Likelihood

Unlikely - Possible

Expected Size

1 - 2

Valid until: Apr 18th, 2012 4:00PM