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Avalanche Forecast

Archived

Mar 26th, 2026–Mar 27th, 2026

Alpine
Natural avalanches possible, human triggered probable.
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

South Coast Inland, Birkenhead, Duffey, South Chilcotin, Stein, Taseko.

Recent snow and wind have formed new and reactive slabs.

A buried weak layer remains a concern and if triggered may result in a large to very large avalanche.

Confidence

Moderate

  • We are uncertain about how quickly persistent slabs are gaining strength.

Avalanche Summary

On Wednesday, near hurley pass ski cutting produced limited results, but lots of cracking in the new snow was observed.

On Tuesday, north of Pemberton, numerous small (size 1) rider controlled storm slab avalanches were reported.

On Monday, Explosive avalanche control produced several small to large (size 1-1.5) avalanches, mostly cornices with some wind slabs. One of the cornice falls also stepped down to a deeper weak layer on the slope below.

Snowpack Summary

Moderate to strong southwest wind through the day have formed deeper, more reactive deposits in leeward terrain.

Expect to find, up to 35 to 70 cm of recent storm snow over a widespread, thick and hard crust below about 1800 m, and old wind-affected snow at upper elevations.

Two crusts, buried in early February and March are still a concern, particularly in the Hurley area and zones to the north. Expect to find them around 1-1.5 meters below the snow surface. Of the two, only the early February crust has been reported to have loose, sugary facets on top.

Weather Summary

Thursday Night
Mostly cloudy. 3 to 4 cm of snow. 50 km/h southwest ridgetop wind. Treeline temperature -9 °C.

Friday
Mix of sun and clouds. 50 km/h southwest ridgetop wind. Treeline temperature -7 °C.

Saturday
Mix of sun and clouds. 1 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -6 °C.

Sunday
Mostly sunny. 1 cm of snow. 30 km/h southwest ridgetop wind. Treeline temperature -8 °C.


More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Pay attention to cornices and give them a wide berth when traveling on or below ridges.
  • Be aware of the potential for large avalanches due to a buried crust.
  • Continue to make conservative terrain choices while the storm snow settles and stabilizes.

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.

Persistent Slabs

Persistent Slab avalanches are the release of a cohesive layer of snow (a slab) in the middle to upper snowpack, when the bond to an underlying persistent weak layer breaks. Persistent layers include: surface hoar, depth hoar, near-surface facets, or faceted snow. Persistent weak layers can continue to produce avalanches for days, weeks or even months, making them especially dangerous and tricky. As additional snow and wind events build a thicker slab on top of the persistent weak layer, this avalanche problem may develop into a Deep Persistent Slab.

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.