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Avalanche Forecast

Archived

Mar 21st, 2023–Mar 22nd, 2023

Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
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

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

Pay attention to changing snow conditions with daytime warming and strong solar effect. Minimize your exposure to steep, sunny slopes and cornices overhead.

Confidence

High

Avalanche Summary

No new avalanches have been reported in the region.

If you head out in the backcountry, let us know what you are seeing by submitting a report to the Mountain Information Network.

Snowpack Summary

A widespread melt-freeze crust exists on all aspects below treeline and at treeline. The crust extends into the alpine on solar aspects, while the surface snow remains cool and dry on north-facing alpine slopes. Expect the melt-freeze crust to rapidly break down through the day, with warming and solar input.

The mid and lower snowpack is generally well-settled and bonded.

Weather Summary

Tuesday night

Clear. Treeline temperatures around 0 C. Light easterly ridgetop winds. Freezing levels 2000 m.

Wednesday

Sunny. Treeline temperatures 0 to 5 C. Very light ridgetop winds. Freezing levels 1800 m.

Thursday

Cloudy with snow/rain, 10 to 30 cm. Treeline temperature 0 to -5 C. Moderate southerly ridgetop winds. Freezing level 1200 m.

Friday

Mostly cloudy, snow ending early morning. Treeline temperature 0 to -5 C. Light westerly winds. Freezing level 1000 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • As surface loses cohesion due to melting, loose wet avalanches become common in steeper terrain.
  • Pay attention to cornices and give them a wide berth when traveling on or below ridges.

Problems

Loose Wet

Loose Wet avalanches are the release of wet unconsolidated snow or slush. These avalanches typically occur within layers of wet snow near the surface of the snowpack, but they may quickly gouge into lower snowpack layers. Like Loose Dry Avalanches, they start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-wet avalanches include point-release avalanches or sluffs. Loose Wet avalanches can trigger slab avalanches that break into deeper snow layers.