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Avalanche Forecast

Archived

Jan 29th, 2025–Jan 30th, 2025

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 possible, human triggered probable.
Treeline
Natural avalanches possible, human triggered probable.
Below Treeline
Natural avalanches possible, human triggered probable.
Alpine
Natural and human triggered avalanches likely.
Treeline
Natural and human triggered avalanches likely.
Below Treeline
Natural and human triggered avalanches likely.

Regions

Glacier.

An incoming storm will raise avalanche hazard over the next few days.

Confidence

Moderate

Avalanche Summary

Expect new snow to be easily triggered in steep terrain.

Few dry loose and wet loose small avalanches have been reported early in the week. These have been both sun and rider triggered in steep terrain.

Field teams have observed rider triggered size 1's the past few days, which were isolated to the top 10-15cm of snow on old firm bed surfaces. Despite their small size, they were moving fast in steep terrain.

Snowpack Summary

A sun crust formed on steep solar aspects and widespread surface hoar will start to get buried on Thursday.

Below this interface are firm, wind pressed surfaces in exposed areas and low density sugary snow in sheltered areas.

The Jan 7th layer is down 30-60cm, comprised of surface hoar (all aspects) and/or a thin crust on steep S aspects. The mid and lower snowpack are well bonded and strong.

Weather Summary

A storm will arrive Thursday, bringing moderate to heavy precipitation through Saturday.

Tonight Cloudy. Alp Low: -10. Ridge wind SW 25 km/h. Freezing level (FZL) at valley bottom

Thurs Flurries. 5-10cm. Alp high -8°C. Ridge wind SW 15km/h. FLZ 700m.

Fri Snow. 10-15cm. Alp high -6°C. Ridge wind S 15km/h gusting to 50km/h. FZL 1000m.

Sat Snow. 5-10 cm. Alp high -7°C. Ridge wind light, gusting to moderate. FZL 1000m.

Friday

Terrain and Travel Advice

  • Be careful with sluffing in steep terrain, especially above cliffs and terrain traps.

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.