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Avalanche Forecast

Archived

Jan 27th, 2024–Jan 28th, 2024

Alpine
Natural and human triggered avalanches likely.
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 Inland, Birkenhead, Duffey, South Chilcotin, Stein, Taseko.

Warm temperatures and heavy mixed precipitation has increased avalanche danger at all elevations.

Confidence

Moderate

Avalanche Summary

No new avalanches have been reported but observation are limited.

If you go out in the backcountry, please consider sharing your observations on the Mountain Information Network (MIN).

Snowpack Summary

Overnight heavy rain soaks up to 20 cm of recent storm snow that had been redistributed in to wind slabs by southerly winds in the alpine and treeline. This snow rests over a crust on all aspects below 1800 m.

The mid and lower snowpack consists of various crusts and layers of facets or surface hoar. We are unsure what effects the warming may have on these layers, however, they likely only still exist in the alpine.

Weather Summary

Saturday Night

Mainly cloudy with 20 to 30 mm of mixed precipitation. Southwest alpine wind, 20 to 50 km/h. Freezing level rising to 2000 m.

Sunday

A mix of sun and clouds, up to 5 mm of rain. South alpine wind, 20 to 40 km/h. Freezing level rising to 2400 m.

Monday

Mainly cloudy, up to 10 mm of rain during the day, with an additional up to 20 mm overnight. South alpine wind, 20 to 60 km/h. Freezing level rising to 2500 m.

Tuesday

Mainly cloudy, up to 5 mm of rain during the day. South alpine wind, 10 to 20 km/h. Freezing level falling to 2000 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Back off slopes as the surface becomes moist or wet with rising temperatures.
  • Closely monitor how the new snow is bonding to the old surface.
  • Storm slabs in motion may step down to deeper layers resulting in large avalanches.

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.

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.