Avalanche Forecast

Issued: Mar 22nd, 2018 4:08PM

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

Parks Canada brian webster, Parks Canada

Spring time conditions exist. Good skiing can still be found on north and east aspects.

Summary

Weather Forecast

Friday will bring unsettled conditions with scattered flurries (up to 10 cm at treeline along the divide) and freezing levels around 1500 m. The weekend will bring mixed sun and cloud and cooler temperatures (freezing levels around 1100 m).

Snowpack Summary

Variable surface conditions with dry snow present on polar aspects above 1500 m and temp crusts to ridgetops found on solar aspects. Small wind slabs found in some areas in the high alpine. Concern still exists for last weeks storm snow where it sits on a buried suncrust (down 20-30 cm) on south and west aspects. The mid-pack is well settled

Avalanche Summary

No new avalanches observed or reported in last 24 hours.

Confidence

Problems

Wind Slabs

An icon showing Wind Slabs
Isolated wind slabs can be found near ridge tops in immediate lees. They are unlikely to release naturally but can be triggered by skiers and climbers.

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

Elevations: Alpine.

Likelihood

Unlikely - Possible

Expected Size

1 - 2

Persistent Slabs

An icon showing Persistent Slabs
Concern still exists for last weeks storm snow (20-30 cm) where it overlies a crust on solar aspects. Some recent avalanches have been observed on this interface.

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

Elevations: Alpine, Treeline.

Likelihood

Unlikely - Possible

Expected Size

1 - 2.5

Valid until: Mar 23rd, 2018 4:00PM