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Archived

Avalanche Forecast

Feb 19th, 2025–Feb 20th, 2025
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
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
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: Brandywine, Garibaldi, Homathko, Sasquatch, Sea To Sky, Spearhead, Stave, Tantalus.

New snow amounts vary throughout the region, continue to assess and use good travel habits. Take extra care when transitioning into wind affected terrain.

Confidence

Moderate

Avalanche Summary

Over the weekend, explosives triggered several small storm and wind slab avalanches. There were reports of some of these stepping down to the January drought layer on north aspects.

Several dry loose avalanches in steep terrain were also reported.

Snowpack Summary

New snow lands on up to 10 cm of wind affected snow that fell over the weekend. In sheltered terrain this new snow may overlie soft, faceted snow or surface hoar. In exposed terrain it will overlie a sun crust or wind-affected snow.

A weak layer that was buried at the end of January is down 30 to 80 cm in the snowpack. Depending on where you are, it'll be a combination of different crystals. With crusts on sunny slopes, sugary facets in most places, and surface hoar in sheltered spots.

The mid and lower snowpack is strong and bonded.

Weather Summary

Wednesday Night

Cloudy with 5 to 10 mm of mixed precipitation. 20 to 50 km/h southwest ridgetop wind. Freezing level falling to 1000 m.

Thursday

Mostly cloudy with 1 to 5 mm of mixed precipitation. 10 to 30 km/h southwest ridgetop wind. Freezing level 1400 m.

Friday

Cloudy with up to 10 to 20 mm of mixed precipitation. 20 to 50 km/h south ridgetop wind. Freezing level 1600 m.

Saturday

Cloudy with up to 15 to 30 mm of mixed precipitation. 20 to 60 km/h southwest ridgetop wind. Freezing level 1800 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Approach lee and cross-loaded slopes with caution.
  • Storm slab size and sensitivity to triggering will likely increase through the day.
  • Storm slabs in motion may step down to deeply buried weak layers and result in very large avalanches.

Avalanche Problems

Storm Slabs

This snow lands on a variety of surfaces including crust, surface hoar, or wind slab. On sheltered or northern aspects, there is potential to have the avalanche step down to deeper weak layers in the snowpack.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Very Likely

Expected Size: 1 - 1.5