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Avalanche Forecast

Dec 5th, 2024–Dec 6th, 2024
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
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: Boundary, Kitimat, Nass, Northwest Coastal, Rupert, Seven Sisters, Shames, Stewart.

Dangerous avalanche conditions persist as new snow and wind form fresh, reactive storm slabs.

Confidence

Moderate

Avalanche Summary

Our limited field data suggests a natural avalanche cycle occurred in the past few days as rain and warm temperatures infiltrated the region.

Please consider submitting your observations to the Mountain Information Network.

Snowpack Summary

New snow accumulates atop a moist upper snowpack from rain in the past few days. Strong winds will redistribute new snow and create heavily wind-affected surfaces.

The remainder of the snowpack is strong, with various hard layers and crusts.

Weather Summary

Thursday Night

Cloudy with 5 to 15 mm of precipitation. 40 to 60 km/h southwest ridge top wind. Freezing level drops to 1600 m. Treeline temperature 0 °C.

Friday

Cloudy with rain transitioning to snow, 10 to 30 cm of new snow. 40 to 60 km/h southwest ridgetop wind. Freezing level drops to 1000 m. Treeline temperature -1 °C.

Saturday

Cloudy with up to 10 cm of new snow. 20 to 40 km/h southwest ridge top wind. Treeline temperature -3 °C.

Sunday

A mix of sun and cloud with isolated flurries. 20 to 50 km/h northwest ridgetop wind. Treeline temperature -6 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Use conservative route selection. Choose simple, low angle terrain with no overhead hazard.
  • Be alert to conditions that change with elevation, aspect, and exposure to wind.
  • Avoid freshly wind-loaded features, especially near ridge crests, rollovers, and in steep terrain.

Avalanche Problems

Storm Slabs

New snow and wind will continue to form fresh storm slabs. They will be deepest and most reactive in wind-loaded terrain.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Likely

Expected Size: 1 - 2.5

Loose Wet

A weak, rain-saturated upper snowpack may still produce natural and human-triggered loose wet avalanches.

Aspects: All aspects.

Elevations: Below Treeline.

Likelihood: Possible

Expected Size: 1 - 2.5