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Avalanche Forecast

Archived

Apr 2nd, 2024–Apr 3rd, 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

Northwest Coastal, Boundary, Kitimat, Nass, Rupert, Seven Sisters, Shames, Stewart, Howson, Ningunsaw, Ningunsaw, Ningunsaw.

Use a conservative approach to avalanche terrain, as recent storm snow likely still needs time to strengthen and stabilize.

Confidence

Moderate

Avalanche Summary

No recent avalanche activity has been reported.

Snowpack Summary

Roughly 20 to 40 cm of recent snow, accompanied by strong winds has buried a widespread crust. In south-facing terrain, this crust is thick and supportive, while in northerly-facing terrain the crust may be breakable or not exist. In north-facing terrain, the new snow may sit atop weak surface hoar or faceted crystals.

The mid and lower snowpack contains various layers of crusts, facets, and/or surface hoar. However, none of these layers appear to be a particular concern currently.

Weather Summary

Tuesday Night

Mostly cloudy with 0 to 8 cm of snow. 20 to 40 km/h southwest ridgetop wind. Treeline temperature -6 °C. Freezing level 500 m.

Wednesday

Mostly sunny. 10 to 30 km/h northwest ridgetop wind. Treeline temperature -6 °C. Freezing level 500 m.

Thursday

Mostly sunny. 0 to 20 km/h northwest ridgetop wind. Treeline temperature -4 °C. Freezing level 1000 m.

Friday

Mostly cloudy with 0 to 2 cm of snow. 10 to 30 km/h southwest ridgetop wind. Treeline temperature -4 °C. Freezing level 1200 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Give the new snow time to settle and stabilize before pushing into bigger terrain.
  • Be especially cautious as you transition into wind affected terrain.
  • Continue to make conservative terrain choices while the storm snow settles and stabilizes.

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.