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Avalanche Forecast

Archived

Mar 27th, 2024–Mar 28th, 2024

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.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

Sea To Sky, Brandywine, Garibaldi, Homathko, Powell River, Spearhead, Tantalus.

Storm slabs may slide easily over a slippery crust. Pay attention to the bond of the recent snow as you travel.

Confidence

High

Avalanche Summary

Some small (size 1) natural dry loose and storm slab avalanches, as well as a few skier-triggered size 1.5s were reported on Tuesday and Wednesday.

Snowpack Summary

10 to 20 cm of recent snow has fallen above a widespread crust layer. The crust does not likely exist on north-facing slopes above 2000 m.

Small wind slabs may have formed in the immediate lee of ridges.

A persistent weak layer that plagued the region for the first half of March is now 150 to 250 cm deep and no longer a concern.

Weather Summary

Wednesday Night

Cloudy with roughly 5 cm of snow. 35 km/h southeast ridgetop wind. Treeline temperature -5 °C.

Thursday

Mostly cloudy with 1 to 2 cm of snow. 35 km/h southeast ridgetop wind. Treeline temperature -3 °C.

Friday

A mix of sun and cloud with isolated flurries. 10 km/h northeast ridgetop wind. Treeline temperature -2 °C. Freezing level 1500 m.

Saturday

Mostly sunny. 15 km/h northwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1600 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Storm snow and wind is forming touchy slabs. Use caution in lee areas in the alpine and treeline.
  • Investigate the bond of the recent 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.