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Archived

Avalanche Forecast

Feb 14th, 2024–Feb 15th, 2024
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
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
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: Brandywine, Garibaldi, Homathko, Sea To Sky, Spearhead, Tantalus.

Keep your guard up in steep open terrain! Recent snow has been slow to bond to underlying weak layers.

Confidence

High

Avalanche Summary

Since Sunday there have been steady reports of size 1 (and some size 2) natural and human triggered slab avalanches. These have occurred on a variety of aspects at treeline and alpine elevations, with some avalanches failing on surface hoar and running on crusts.

Snowpack Summary

Sun and wind are creating variable surface conditions. Exposed terrain is being scoured by northeast wind and forming small wind slabs on south and west facing slopes. Roughly 30 cm of snow sits above large surface hoar and/or faceted crystals in wind-sheltered terrain at treeline and above.

A widespread, supportive crust exists 30 to 40 cm below the surface. The snowpack is strong and bonded below this crust.

Weather Summary

Wednesday Night

Clear skies. 40 km/h northeast ridgetop wind. Treeline temperature -10 °C.

Thursday

Sunny. 30 km/h northeast ridgetop wind. Treeline temperature -8 °C.

Friday

Sunny with increasing cloud in the afternoon. 40 km/h southeast ridgetop wind. Treeline temperature -6 °C.

Saturday

Cloudy with 0 to 2 cm of snow. 40 km/h southeast ridgetop wind. Treeline temperature -3 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Start on smaller terrain features and gather information before committing to bigger terrain.
  • Recent wind has varied in direction so watch for wind slabs on all aspects.
  • Investigate the bond of the recent snow before committing to your line.

Avalanche Problems

Wind Slabs

Recent snow has been redistributed by northeast wind and may sit atop weak layers of surface hoar or facets.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2