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Avalanche Forecast

Archived

Apr 2nd, 2025–Apr 5th, 2025

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

Regions

Ghost.

Incoming snow will increase the hazard on routes that are not commonly thought of as being in avalanche terrain. Not a lot of recent field information from the Ghost area so if you are headed out, please share your observations on the MIN.

Confidence

Moderate

Avalanche Summary

No new or recent observations. No reported events into the Kananaskis Region office.

Snowpack Summary

Highly variable snowpack depths in the region. A thick crust can be found in the upper snowpack that developed in late march. Recent snow over the past week has buried this crust down 30-60cm. Storm slabs and windslabs can be found in the upper snowpack that will be reactive to traffic from ice climbers. Cornices over popular routes such as the Sorcerer have also been reported as large. With the upslope storm forecast to hit the region over the next few days, watch for loose dry avalanches out of steeper terrain and buried wind/storm slabs.

Even a small avalanche can have large consequences in steep or gullied terrain so use be thinking about that as you travel. Routes that commonly don't have avalanche hazard will be affected by this incoming storm.

Weather Summary

10-30cm of snow is forecast for the region over the next few days with light northerly winds and a freezing level around 1600m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Ice climbers should be equipped with avalanche safety gear.
  • Be aware of the potential for loose avalanches in steep terrain where snow hasn't formed a slab.

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.

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.