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Archived

Avalanche Forecast

Jan 21st, 2017–Jan 22nd, 2017
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
2: Moderate
The avalanche danger rating below treeline will be moderate
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: Glacier.

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

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

Avalanche Problems

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

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