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Avalanche Forecast

Archived

Mar 20th, 2026–Mar 21st, 2026

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

Regions

Pine Pass, Tumbler.

Human-triggered avalanches remain possible where there is enough dry snow for good riding.

Watch for conditions to change dramatically with aspect and elevation.

Confidence

Moderate

  • We are uncertain about how quickly the snowpack will recover and gain strength.

Avalanche Summary

A natural avalanche cycle started on Monday and continued into Wednesday. The reported avalanches have been large to very large (as big as size 4). These avalanches have been a mix of slab and loose, dry and wet.

Looking forward, we expect natural and human-triggered avalanches to become less likely as the temperatures drop.

Snowpack Summary

Recent snowfall amounts throughout the region have been variable with up to 15-40 cm of settling storm snow from the last week. Rain saturated the upper snowpack at and below treeline, with moist surface snow reaching as high as 2000 m in the alpine for some parts of the region. Now that temperatures are dropping, expect to find a surface crust everywhere but the high alpine.

A thick crust buried earlier in March can be found down 50 to 80 cm at treeline and below.

The early February crust can be found down 100-160 cm.

The remainder of the snowpack is well settled and bonded.

Weather Summary

Friday Night
Partly cloudy. 1 to 3 cm of snow. 30 km/h west ridgetop wind. Treeline temperature -7 °C.

Saturday
Sunny. 20 km/h west ridgetop wind. Treeline temperature -8 °C.

Sunday
Mix of sun and clouds. 1 to 5 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -8 °C.

Monday
Mix of sun and clouds. 1 to 10 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -8 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be alert to conditions that change with elevation and sun exposure.
  • Use small, low consequence slopes to test the bond of the new snow.
  • Avalanche activity is unlikely when a thick melt-freeze crust is present on the snow surface.

Problems

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.