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Avalanche Forecast

Archived

Apr 7th, 2024–Apr 8th, 2024

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

Regions

South Coast, Powell River, Tantalus, North Shore, Sasquatch, Sasquatch, Sky Pilot, Tetrahedron.

New snow and wind will form touchy storm slabs reactive to human triggers on Monday.

Make conservative terrain choices and avoid overhead hazard.

Confidence

Low

Avalanche Summary

New snow and wind will form touchy storm slabs reactive to human triggers on Monday.

If you go into the backcountry, please consider submitting your observations to the Mountain Information Network.

Snowpack Summary

25 to 40 cm forecast snow and wind will form touchy storm slabs reactive to human triggers on Monday. The new snow overlies a crust on all slopes except true north facing terrain at upper elevations where the previous snow remained dry.

Below treeline is either snow free or has very thin snow coverage. Expect difficult travel at lower elevations.

Weather Summary

Sunday Night

Cloudy with isolated flurries, 3 to 10 cm snow. 20 to 30 km/h southwest ridgetop wind. Treeline temperature -4° C. Freezing level 800 m.

Monday

Snow, 25 to 40 cm during the day, with another 20 to 30 cm overnight. 50 to 60 km/h south ridgetop wind. Treeline temperature -3 °C. Freezing level 1000 m.

Tuesday

Mostly sunny. 20 to 30 km/h west ridgetop wind. Treeline temperature -3 °C. Freezing level 1300 m.

Wednesday

Mix of sun and cloud. 10 to 20 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1500 m.

Check out the Mountain Weather Forecast for additional weather information.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Storm slab size and sensitivity to triggering will likely increase through the day.
  • Watch for signs of instability like whumpfing, hollow sounds, shooting cracks or recent avalanches.
  • Make conservative terrain choices and avoid overhead hazard.
  • Use small low consequence slopes to test the bond of the new snow.

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.