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Avalanche Forecast

Archived

Jan 28th, 2021–Jan 29th, 2021

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

Regions

Banff Yoho Kootenay.

Sluffing in steep terrain is the main concern for skiers and climbers at the moment. Areas with more new snow or any wind inputs could see a locally higher hazard as a result. Use good group management while skiing or climbing to minimize your risk.

Weather Forecast

Light flurries Thursday night stopping by mid day on Friday with only a couple cm's of accumulation. A slight clearing is forecast for Friday afternoon. Winds remain in the light range with treeline temperatures in the -7 to -10'C range.

Snowpack Summary

5-15+ cm new snow with the most in the southern areas. The new snow sits over 10-20 cm of facets at tree-line and below and over previous wind effect in the alpine. The mid-pack is generally well settled with the various persistent weak layers visible in the snowpack but unreactive to stability tests. The Nov crust/facets are near the ground.

Avalanche Summary

Dry loose sluffing up to size 1.5 was observed on Thursday in steep terrain in Kootenay, and one cornice collapse size 1.5-2 was remotely triggered by a skier but did not build a lot of mass even though it ran a long distance. Some sluffing in steep rocky gullies was also observed in the Yoho area.

Confidence

Due to the number of field observations

Problems

Loose Dry

Loose Dry avalanches are the release of dry unconsolidated snow and typically occur within layers of soft snow near the surface of the snowpack. These avalanches start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-dry avalanches include point-release avalanches or sluffs.