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Avalanche Forecast

Archived

Feb 3rd, 2025–Feb 4th, 2025

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

Little Yoho.

The cold temperatures are expected to help, but there is still some uncertainty on how the storm snow is bonding to the old surface.

Confidence

Moderate

Avalanche Summary

No new avalanches reported.

Snowpack Summary

The Little Yoho Region received between 30-50 cm of storm snow over the weekend. This storm snow sits on a mix of facets, surface hoar and and thin sun crusts (Jan 30 layer). The mid and lower snowpack is well settled, with snowpack depths at the treeline ranging from 120cm to 180cm.

Weather Summary

Tuesday will be continued cold (treeline highs of -20) with scattered clouds and no precipitation. Winds are forecasted to be light from the south.

Terrain and Travel Advice

  • Closely monitor how the new snow is bonding to the old surface.

Problems

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.

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.