Avalanche Forecast

Issued: Jan 21st, 2017 8:18AM

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

Parks Canada ross campbell, Parks Canada

If triggered Avalanches may run full path! Watch the sun and daytime heating today, conservative terrain selection is advised.

Summary

Weather Forecast

Today will start out sunny, cloud increasing throughout the day with a chance of flurries later this afternoon. Alpine high of -5, freezing level to 1500m and light to Mod winds variable in direction.

Snowpack Summary

Height of snow @ tree line is near average for this time of year. We received between 40 to 60cm of storm snow last week with warm temperatures and strong winds creating a storm slab. This layer will need time to heal and bond to older surfaces like near surface faceting and wind slabs.

Avalanche Summary

Significant natural and explosive triggered avalanche cycle on wednesday, residual avalanches on Thursday to size 3.5. Natural avalanche activity has decreased, however we did observe one natural size 3.5 in the highway corridor out of steep North facing terrain yesterday morning!

Confidence

Problems

Storm Slabs

An icon showing Storm Slabs
40 to 60cm of storm snow last week with warm temperatures and strong winds created a storm slab. This layer will need time to heal and bond to older surfaces like near surface faceting and wind slabs.
Be careful with wind loaded pockets, especially near ridge crests and roll-overs.

Aspects: All aspects.

Elevations: All elevations.

Likelihood

Possible - Likely

Expected Size

2 - 3

Loose Dry

An icon showing Loose Dry
Watch for solar inputs today on southerly aspects, most likely present on steep rocky unsupported terrain.
Avoid travelling under cliffs that are exposed to sluffing from above.Minimize exposure to steep, sun exposed slopes when the solar radiation is strong.

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

Elevations: Alpine, Treeline.

Likelihood

Possible

Expected Size

1 - 2

Valid until: Jan 22nd, 2017 8:00AM