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Avalanche Forecast

Archived

Jan 22nd, 2025–Jan 23rd, 2025

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

Regions

Little Yoho.

Trace amounts of new snow Thursday, and increased winds may form small windslabs in isolated alpine locations, so watch for these if venturing into wind affected alpine terrain.

The more snow we receive, the more the windslab hazard will increase.

Confidence

Moderate

Avalanche Summary

No new avalanches were observed or reported in Little Yoho today.

Results from recent avalanche control from the Field area can be found here

Snowpack Summary

Wind affect exists in the high alpine, but many sheltered areas are holding soft snow. The mid-pack is generally strong; however, a facet layer can be found near the ground in shallow snowpack areas. At treeline, average snowpack depth ranges from 110 to 140 cm.

Weather Summary

Wednesday night: Mainly cloudy. Precipitation: Nil. Alpine temperature: Low -14 °C. Ridge wind west: 10 km/h.

Thursday: Cloudy with sunny periods and isolated flurries. Precipitation: Trace. Alpine temperature: High -10 °C. Ridge wind west: 15 km/h gusting to 40 km/h.

Friday: A mix of sun and cloud. Alpine temperature: Low -18 °C, High -12 °C. Preciptatio: Nil. Light ridge wind occasionally gusting to 40 km/h.

Terrain and Travel Advice

  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.

Problems

Wind Slabs

Wind Slab avalanches are the release of a cohesive layer of snow (a slab) formed by the wind. Wind typically transports snow from the upwind sides of terrain features and deposits snow on the downwind side. Wind slabs are often smooth and rounded and sometimes sound hollow, and can range from soft to hard. Wind 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.