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Archived

Avalanche Forecast

Mar 19th, 2025–Mar 20th, 2025
Alpine
4: High
The avalanche danger rating in the alpine will be high
Treeline
3: Considerable
The avalanche danger rating at treeline will be considerable
Below Treeline
2: Moderate
The avalanche danger rating below treeline will be moderate
Alpine
4: High
The avalanche danger rating in the alpine will be high
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
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
2: Moderate
The avalanche danger rating below treeline will be moderate

Regions: Harrison-Fraser, North Shore, Powell River, Sasquatch, Sky Pilot, South Coast, Stave, Tetrahedron.

Stormy weather returns !

Avoid avalanche terrain during periods of heavy loading from new snow and wind.

Confidence

Moderate

Avalanche Summary

No new avalanche was reported in the region.

Avalanche activity will increase during this stormy period and a natural cycle is expected.

Thanks for sharing your observations via the MIN if you are going out into the backcountry.

Snowpack Summary

30 to 50 cm of new snow is expected by Thursday afternoon, forming touchy storm slabs. This overlies firm wind-transported snow in lee terrain at upper elevations and moist, heavy snow or a melt-freeze crust on southerly slopes, especially at lower elevations.

A supportive crust is found 80 to 150 cm deep and the recent settling snow is bonding well to it. Below this, the snowpack is well-settled and strong.

Weather Summary

Wednesday Night

Cloudy with 20 to 30 cm of new snow. 60 to 80 km/h southeast ridgetop wind. Treeline temperature -5 °C. Freezing level 800 m.

Thursday

Cloudy with 10 to 20 cm of new snow. 40 to 50 km/h southwest ridgetop wind. Treeline temperature -3 °C. Freezing level 1000 m.

Friday

Cloudy with 25 to 40 cm of new snow. 30 to 40 km/h south ridgetop wind. Treeline temperature -3 °C. Freezing level 1000 m.

Saturday

Partly cloudy with isolated flurries. 20 to 30 km/h west ridgetop wind. Treeline temperature 0 °C. Freezing level 1200 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Avoid areas with overhead hazard.
  • Be aware of the potential for loose avalanches in steep terrain where snow hasn't formed a slab.
  • Cornice failures could trigger large and destructive avalanches.
  • Use increased caution at all elevations. Storm snow is forming touchy slabs.

Avalanche Problems

Storm Slabs

Significant amount of new snow will create fresh and reactive slabs, especially on lee terrain features. Slab size and sensitivity to triggering will increase as new snow accumulates.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Likely - Very Likely

Expected Size: 1 - 2