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Avalanche Forecast

Archived

Mar 2nd, 2026–Mar 3rd, 2026

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

Regions

South Columbia, Esplanade, Jordan, North Monashee, North Selkirk, West Purcell, Badshot-Battle, Central Selkirk, Goat, Gold, Retallack.

It will be difficult to find ways to test slopes without serious risk.

Signs of instability may not be obvious until it's too late, and choosing flat or gentle terrain is your best defense.

Confidence

Moderate

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

Avalanche Summary

On Monday, near Revelstoke, a large (size 3) remote rider triggered avalanche was reported. It started off an alpine ridge, and hit another skier below. Details with photo.

Over the weekend, numerous large to very large (up to size 4) natural, human and machine triggered persistent slab avalanches continued to be reported, including several remote avalanches at treeline and below.

Surprisingly large avalanches are still possible, even in relatively mellow terrain.

Snowpack Summary

50 to 90 cm of settling storm snow overlies a complex snowpack.

Three persistent weak layers of concern are found in the upper 180 cm of the snowpack:

  • 60 to 70 cm down is a layer of surface hoar in sheltered areas, or a melt-freeze crust on sun-exposed slopes from mid-February.

  • 90 to 120 cm down is the early-February layer of surface hoar in wind-sheltered terrain and a crust on sun-exposed slopes.

  • 110 to 140 cm down is the late-January layer of surface hoar and facets over a melt-freeze crust.

All of these persistent layers have continued to produce large avalanches.

Below this, the remainder of the snowpack is well consolidated and strong.

Weather Summary

Monday Night

Clear skies. 30-50 km/h west ridgetop wind. Treeline temperature -2 °C. Freezing level 1700 m.

Tuesday

Mostly cloudy. 3 to 10 cm of snow. 35-65 km/h southwest ridgetop wind. Treeline temperature -3 °C. Freezing level 1600 m.

Wednesday

Mostly cloudy. 15 to 25 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -3 °C. Freezing level 1600 m.

Thursday

Mix of sun and clouds. 1 to 10 cm of snow. 30 km/h west ridgetop wind. Treeline temperature -5 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • It's critical to stay disciplined and stick to gentle, low consequence terrain.
  • Keep in mind that human triggering may persist as natural avalanches taper off.
  • If triggered, wind slabs may step down to deeper layers, causing larger avalanches.

Problems

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.

Wind Slabs

Wind Slab avalanches are the release of a cohesive layer of snow (a slab) formed by the wind. Wind typically transports snow from the upwind sides of terrain features and deposits snow on the downwind side. Wind slabs are often smooth and rounded and sometimes sound hollow, and can range from soft to hard. Wind 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.