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Avalanche Forecast

Archived

Nov 23rd, 2024–Nov 24th, 2024

Alpine
Natural avalanches possible, human triggered probable.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.

Regions

Sea To Sky, South Coast Inland, Brandywine, Homathko, Spearhead, Birkenhead, Duffey, Harrison-Fraser, South Chilcotin, Stein, Taseko.

Allow the snowpack time to stabilize after the recent stormy weather. Travel cautiously and keep your eyes open for signs of instability.

Confidence

Moderate

Avalanche Summary

No avalanche activity has been reported since Thursday. However, it remains possible for riders to trigger recently formed wind or storm slabs.

Explosives triggered many large (up to size 3) storm slabs on Wednesday and Thursday, mostly in alpine terrain on westerly and northerly slopes.

Watch out for early-season hazards like creeks, logs, and rocks, particularly at lower elevations.

Weather Summary

Saturday Night

Mostly cloudy with 2 to 10 cm of snow. 0 to 20 km/h south ridgetop wind. Treeline temperature -5 °C.

Sunday

Mostly cloudy with 0 to 2 cm of snow. 0 to 20 km/h southeast ridgetop wind. Treeline temperature -5 °C.

Monday

Mix of sun and cloud. 0 to 10 km/h variable ridgetop wind. Treeline temperature -5 °C.

Tuesday

Mix of sun and cloud. 0 to 20 km/h southwest ridgetop wind. Treeline temperature -5 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Give the new snow several days to settle and stabilize before pushing into bigger terrain.
  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.
  • Start with conservative terrain and watch for signs of instability.

Problems

Storm Slabs

Storm Slab avalanches are the release of a cohesive layer (a slab) of new snow that breaks within new snow or on the old snow surface. Storm-slabs typically last between a few hours and few days (following snowfall). Storm-slabs that form over a persistent weak layer (surface hoar, depth hoar, or near-surface facets) may be termed Persistent Slabs or may develop into Persistent Slabs.