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Archived

Avalanche Forecast

Mar 13th, 2025–Mar 14th, 2025
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
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
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

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

Reactive storm slabs may exist at upper elevations. Stick with a conservative trip plan and watch for signs of instability.

Winter isn't over yet. Check out the new forecaster blog here.

Confidence

Moderate

Avalanche Summary

On Wednesday, numerous natural storm slab avalanches were reported up to size 2. Explosive control reported numerous (size 1) storm slabs that were running on the firm crust buried below (30 cm deep) at below treeline elevations.

Storm slabs will likely continue to be reactive on Friday, especially on north-facing slopes that have seen additional wind loading.

Snowpack Summary

Another 30 cm blanketed the region by Thursday morning. This brings storm snow totals in the alpine to over 110 cm since the weekend. High north-facing slopes may see deeper deposits of wind-transported snow. At treeline and below, the new snow sits above a crust on all aspects except in high north alpine slopes. The snow reportedly has a good bond to the underlying crust.

Below this, the snowpack is well settled and strong.

Weather Summary

Thursday Night

Cloudy with some flurries up to 5 cm. 20 to 30 km/h southwest ridgetop wind. Treeline temperature -5 °C. Freezing level 300 m.

Friday

Cloudy with some sunny periods and isolated flurries. 15 to 30 km/h southeast ridgetop wind. Treeline temperature -3 °C. Freezing level 800 m.

Saturday

Cloudy with 5 to 15 cm of snow. 40 to 50 km/h south ridgetop wind. Treeline temperature -2 °C. Freezing level 800 m.

Sunday

Snow heavy at times up to 30 cm. 15 to 40 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1000 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Keep your guard up as storm slabs may remain sensitive to human triggering.
  • Continue to make conservative terrain choices while the storm snow settles and stabilizes.
  • Even brief periods of direct sun could produce natural avalanches.
  • Be aware of the potential for loose avalanches in steep terrain where snow hasn't formed a slab.

Avalanche Problems

Storm Slabs

Reactive storm slabs are likely, especially on north facing (leeward) wind-loaded slopes. Back off if you encounter signs of instability like warming from the sun, whumpfing, shooting cracks or recent avalanches.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Possible - Likely

Expected Size: 1 - 2