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Avalanche Forecast

Archived

Mar 22nd, 2024–Mar 23rd, 2024

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

Regions

Coquihalla, Harrison-Fraser, Manning, Skagit.

Low hazard is not no hazard.

Small human-triggered avalanches are still possible in steep terrain where the snow surface remains moist.

Confidence

High

Avalanche Summary

No new avalanches were reported in the region on Thursday.

If you are heading into the backcountry please consider posting your observations to the Mountain Information Network. All of the conditions information and photos are helpful for forecasters.

Snowpack Summary

New snow covers refrozen surfaces at treeline and above. Below the crust, 30 to 50 cm of moist snow overlies a thin sun crust on south aspects and dry snow elsewhere.

With prolonged warm temperatures two weak layers of surface hoar and/or facets overlying a crust have slowly gained strength. While professionals continue to track these layers they have not produced recent avalanche activity and are not a concern at this time.

The lower snowpack is well-settled.

Weather Summary

Friday Night

Mainly cloudy with 0 to 3 cm of snow above the snow-rain line. 10 to 25 km/h southeast ridgetop wind. Treeline temperature 0 °C. Freezing levels rise 1700 m.

Saturday

Mainly cloudy with 0 to 2 cm of snow. 25 to 40 km/h northeast ridgetop wind. Treeline temperature -1 °C. Freezing level 1600 m.

Sunday

Sunny. 20 to 40 km/h northeast ridgetop wind. Treeline temperature 0 °C. Freezing level 1700 m.

Monday

Partly cloudy with 1 to 4 cm of snow. 15 to 30 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1500 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for unstable snow on specific terrain features, especially when the snow is moist or wet.
  • A crust on the surface will help bind the snow together, but may make for tough travel conditions.
  • When a thick, melt-freeze surface crust is present, avalanche activity is unlikely.

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.