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Archived

Avalanche Forecast

Feb 24th, 2022–Feb 25th, 2022
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
1: Low
The avalanche danger rating at treeline will be low
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
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
3: Considerable
The avalanche danger rating at treeline will be considerable
Below Treeline
3: Considerable
The avalanche danger rating below treeline will be considerable

Regions: Glacier.

The weather pattern and avalanche hazard will remain stable until Saturday, with a storm approaching the region on Sunday.

Weather Forecast

Continued warming trend, with an incoming storm on Sunday.

Tonight: Clear, -16*C, light W winds

Fri: Cloudy with sunny periods, Alp high -11*C, light SW winds

Sat: Clouds and Sun, Isolated Flurries, Alp high -11*C, light SW winds

Sun: Flurries, Alp high -11*C, Mod SW winds, Fz lvl 1500m

Snowpack Summary

Wind slabs formed early in the week are softening with cold temperatures. These lingering slabs, formed during strong northerly winds, can be found in open exposed terrain. The Feb 15 surface hoar/solar crust is down 50-70 cm. This layer is not been observed to be reactive in stability tests or to skier loads in the past few days.

Avalanche Summary

No new natural avalanches were observed on Wednesday and Thursday.

Early this week public reports of human triggered avalanches failing below surface wind slabs and on the Feb 15 SH/Crust layer. Size 2 partial burial on Avalanche Crest, Vaux Moraine, wind slabs on Cougar Creek East.

Confidence

The weather pattern is stable

Avalanche Problems

Wind Slabs

Isolated wind slabs are still present from northerly winds early in the weekend. Riders are less likely to trigger these firm deposits of snow as cold temperatures have soften slabs.

  • Watch for surface cracking and stiffer surface layers of snow.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1 - 2

Persistent Slabs

A weak layer of surface hoar sitting on a sun crust on steep solar aspects is buried down 50-70 cm. It is mostly likely to be triggered at treeline, where the surface hoar is well persevered and a sun crust is present.

  • Persistent slabs may be more sensitive to human triggering on solar asp where it sits on sun crust
  • Use caution on open slopes and convex rolls at treeline where buried surface hoar may be preserved.

Aspects: All aspects.

Elevations: Treeline.

Likelihood: Unlikely

Expected Size: 1 - 2