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Archived

Avalanche Forecast

Dec 5th, 2024–Dec 6th, 2024
Alpine
1: Low
The avalanche danger rating in the alpine will be low
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
4: High
The avalanche danger rating in the alpine will be high
Treeline
4: High
The avalanche danger rating at treeline will be high
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
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
2: Moderate
The avalanche danger rating below treeline will be moderate

Regions: Birkenhead, Brandywine, Duffey, Garibaldi, Homathko, Sea To Sky, South Chilcotin, South Coast Inland, Spearhead, Stein, Taseko.

Mild temperature and elevated freezing levels continue.

The early-season snowpack is generally well-settled.

Confidence

Moderate

Avalanche Summary

No new avalanches were reported in the last 24h. Numerous wet loose avalanches (size 1.5 to 2) were naturally triggered by the sun on steep sun-exposed terrain at treeline and alpine throughout the region earlier this week.

If you are going out in the backcountry, please consider filling out a Mountain Information Network (MIN) report.

Snowpack Summary

A weak melt-freeze crust has likely formed at the snow surface with overnight cooling which may soften during the day.

Alpine slopes are wind-affected, scoured, or faceted snow on northerly slopes. At treeline, a widespread layer of large weak surface hoar crystals was observed at the snow surface on sheltered terrain. Steep slopes are still holding moist snow at mid and lower elevations.

The mid and lower snowpack is generally well settled and bonded.

Snow depths at treeline vary across the region. Currently, 100 cm is reported near Whistler and 65 cm near Blowdown Mountain.

Weather Summary

Thursday Night

Partly cloudy. 20 to 40 km/h southwest ridgetop wind. Treeline temperature +2 °C. Freezing level 2000 m.

Friday

Cloudy. 50 to 70 km/h south ridgetop wind. Treeline temperature +4 °C. Freezing level 2000 m.

Saturday

Cloudy with rain switching into wet snow. 40 to 60 mm. 50 to 70 km/h south ridgetop wind. Treeline temperature +2°C. Freezing level 2200 m lowering to 1000 m.

Sunday

Cloudy with 10 to 20 cm of wet snow. 20 to 40 km/h northwest ridgetop wind. Treeline temperature -1°C. Freezing level 1000 to 1500 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • A moist or wet snow surface, pinwheeling, and natural avalanches are all indicators of a weakening snowpack.
  • Make observations and continually assess conditions as you travel.