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Avalanche Forecast

Archived

Nov 25th, 2018–Nov 26th, 2018

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

Regions

South Coast.

Expect active loose wet avalanche conditions if you're planning to brave the rain on Monday.

Confidence

High -

Weather Forecast

Sunday night: Mainly heavy rain with possible accumulations of about 30 cm of new snow in high alpine terrain. Moderate to strong southwest winds.Monday: Continued heavy rain (60-100 mm or more) extending to mountaintop, continuing overnight. Strong to extreme south winds. Alpine high temperatures around +1 with freezing levels around 2200 metres.Tuesday: Continued heavy rain (about 40 mm) extending to mountaintop. Possible accumulations of about 30 cm of new snow in the alpine as freezing levels decline from 2100 to 1700 metres over the day. Moderate to strong southwest winds. Alpine high temperatures around 0 to +1.Wednesday: Cloudy with wet flurries bringing about 15 cm of new snow. Moderate southwest winds. Alpine high temperatures around -1 with freezing level declining to around 1400 metres.

Avalanche Summary

No avalanches have been reported.Please submit any observations you have to the Mountain Information Network here.

Snowpack Summary

Alpine areas near Squamish are expected to have the most snow, with around 70 cm of settled snow on the ground. Recent southwesterly winds may have produced deeper drifts of snow behind ridges. At higher elevations, it is possible the recent new snow may rest on top of a crust. In most places below 1500 m there is insufficient snow for 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.