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Avalanche Forecast

Archived

May 8th, 2014–May 9th, 2014

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

Regions

Little Yoho.

More rain and wet snow on the way for Friday, with up to 15 cm at treeline in some locations. Snow conditions are excellent on North facing terrain, and crusty on all other slopes. Temperatures will warm up significantly on Saturday and Sunday.

Weather Forecast

A weather system will cross the region starting Friday and ending mid-day on Saturday. Forecasts predict between 10-15 cm of wet snow with very light winds and freezing levels to 2200 m. Freezing levels will then rise progressively through to Monday, when the freezing level will reach 3200 m.

Snowpack Summary

North facing slopes hold 20 cm of dry powder with no shears underlying, and all other aspects up to 3000 m have a melt/freeze crust on the surface. This crust is breakable in many places, but today began to hold the weight of a skier (just) on steep south facing terrain at 2400 meters. Friday's 10-15 cm of wet snow may fluff easily on the crust.

Avalanche Summary

No new avalanches observed or reported.

Confidence

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.