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Avalanche Forecast

Archived

Apr 10th, 2026–Apr 11th, 2026

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

Regions

Glacier.

No overnight freeze on Friday evening combined with warm daytime temperatures will increase the avalanche hazard throughout the day.

Hazard will rise rapidly when the rain arrives late Saturday.

Confidence

Low

  • We are uncertain due to the track and intensity of the incoming weather system.

Avalanche Summary

Solar trigged, loose wet avalanches are likely with high freezing levels, clear skies and no overnight refreeze on Friday night.

A widespread, natural avalanche cycle occurred up to size 4.0 on Mar 19-20 during the atmospheric river filling the valley bottoms with huge debris piles in many locations. Check out pics from this exceptional avalanche cycle in the MIN Reports.

Snowpack Summary

Spring conditions exist through out the park. No overnight crust recovery Friday night will destabilize the snowpack leaving surfaces snow loose and wet.

A thick rain crust from the March atmospheric river sits 20-50cm below the surface.

Below treeline the surface varies from isothermal sticky snow to refrozen tree bombs and huge debris fields from the massive avalanche cycle in March.

Weather Summary

A low pressure center brings cooler and wetter condition starting Saturday night.

Tonight Clear periods. Alp low -4°C. Winds Light to 15 Km/h. Freezing level(FZL) 2600m

Sat Rain/Snow starting late in day, 10-20 mm. Alp High 7°C. Light ridge winds. FZL 2700m

Sun Flurries, 12 cm. Alp High 2°C. Light ridge winds. FZL 2200m

Mon Cloudy with flurries, 2-4 cm. Alp High 0°C. Wind SW 15-30km/h. FZL 2200m

Terrain and Travel Advice

  • Back off slopes as the surface becomes moist or wet with rising temperatures.
  • Avoid travelling on slopes below cornices.

Problems

Loose Wet

Loose Wet avalanches are the release of wet unconsolidated snow or slush. These avalanches typically occur within layers of wet snow near the surface of the snowpack, but they may quickly gouge into lower snowpack layers. Like Loose Dry Avalanches, they start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-wet avalanches include point-release avalanches or sluffs. Loose Wet avalanches can trigger slab avalanches that break into deeper snow layers.

Cornices

Cornice Fall is the release of an overhanging mass of snow that forms as the wind moves snow over a sharp terrain feature, such as a ridge, and deposits snow on the downwind (leeward) side. Cornices range in size from small wind drifts of soft snow to large overhangs of hard snow that are 30 feet (10 meters) or taller. They can break off the terrain suddenly and pull back onto the ridge top and catch people by surprise even on the flat ground above the slope. Even small cornices can have enough mass to be destructive and deadly. Cornice Fall can entrain loose surface snow or trigger slab avalanches.