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Avalanche Forecast

Archived

Jan 24th, 2025–Jan 25th, 2025

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

Little Yoho.

Beautiful weather for the weekend an inversion setting up for Sunday-Monday with warmer temperatures aloft. Watch for lingering alpine wind slabs, which are the most likely threat to backcountry users.

Confidence

Moderate

Avalanche Summary

On Thursday, a few wind-triggered loose dry avalanches were observed in the cliffs above the Ogden benches.

No new slab avalanches were observed or recorded over the past 48 hours. However, a few skier-triggered wind slabs were reported Thursday on Emerald Peak.

Snowpack Summary

Up to 8 cm of new snow over the last 48 hours at treeline.

The wind effect exists in the high alpine, but many sheltered areas have 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 160 cm.

Weather Summary

Saturday: -15C in the morning, warming to -10.

Upper-level temperatures climb through Saturday night creating an inversion for Sunday with mountain-top temperatures reaching near 0C by the afternoon and into Monday.

Skies will be mostly sunny for the weekend with light to moderate northerly winds.

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.