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Avalanche Forecast

Archived

Mar 27th, 2024–Mar 28th, 2024

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

Regions

Kootenay Boundary, North Columbia, South Columbia, Clearwater, Rossland, South Okanagan, Jordan, Shuswap, Gold, North Okanagan, Whatshan.

Assess for the bond of the new snow before committing to high-consequence terrain.

Confidence

Moderate

Avalanche Summary

We haven't received any reports of recent avalanche activity.

Please consider submitting your observations to the MIN if you head to the backcountry.

Snowpack Summary

Anywhere from 5 to 15 cm of snow is forecast to accumulate by Thursday afternoon with southwest wind. This snow will build on surface hoar crystals that overly soft or wind affect snow on northerly alpine terrain or a hard melt-freeze crust elsewhere.

Weak faceted grains above a hard crust that formed in early February is buried around 100 to 150 cm deep. The layer is strengthening and is currently dormant.

The remainder of the snowpack is settled.

Weather Summary

Wednesday Night

Cloudy with 5 to 15 cm of snow. 20 to 30 km/h south ridgetop wind. Treeline temperature -4 °C.

Thursday

Cloudy with 1 to 3 cm of snow. 10 to 20 km/h southwest ridgetop wind. Treeline temperature -4 °C. Freezing level 1500 m.

Friday

Cloudy with 2 to 5 cm of snow. 10 to 20 km/h southwest ridgetop wind. Treeline temperature -4 °C. Freezing level 1500 m.

Saturday

Partly cloudy. 20 to 30 km/h west ridgetop wind. Treeline temperature -3 °C. Freezing level 1600 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for fresh storm slabs building throughout the day.
  • Watch for wind-loaded pockets especially around ridgecrest and in extreme terrain.
  • Avoid shallow, rocky areas where the snowpack transitions from thick to thin.

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.