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Archived

Avalanche Forecast

Mar 4th, 2025–Mar 5th, 2025
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
2: Moderate
The avalanche danger rating below treeline will be moderate
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: North Okanagan, Shuswap, South Okanagan.

Dial back your terrain choices if you’re finding more than 20 cm of storm snow. Avoid north-facing alpine slopes, these areas are where triggering persistent weak layers is most likely.

Confidence

Moderate

Avalanche Summary

On Monday near Kamloops, a natural size 2 glide slab avalanche was reported on a southwest-facing slope at 1500 m.

On Saturday, a rider triggered size 2, persistent slab avalanche was reported. This avalanche occurred on a west facing slope at 2000 m. See MIN for details.

Snowpack Summary

By Wednesday morning, 5 to 15 cm of snow covers a melt-freeze crust. The crust exists on all aspects, except possibly high-elevation north-facing slopes. This overlies 30 to 60 cm of snow that sits above a crust in many areas or surface hoar/facets in wind-sheltered areas.

A weak layer, buried in late January, consists of surface hoar/facets or a crust is found down 50 to 90 cm. This remains a lingering concern. Below this, the mid and lower snowpack is generally settled and strong.

Weather Summary

Tuesday Night

Cloudy with flurries, 5 to 15 cm of snow. 20 to 30 km/h southwest ridgetop wind. Treeline temperature -5 °C. Freezing level 1000 m.

Wednesday

Partly cloudy. 10 to 20 km/h northwest ridgetop wind. Treeline temperature -3 °C. Freezing level 1400 m.

Thursday

Mainly sunny. 20 to 30 km/h north ridgetop wind. Treeline temperature -3 °C. Freezing level 1500 m.

Friday

A mix of sun and cloud. 10 to 20 km/h west ridgetop wind. Treeline temperature 0 °C. Freezing level 1800 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.
  • Be mindful that deep instabilities are still present in the snowpack.
  • Keep in mind that human triggering may persist as natural avalanches taper off.

Avalanche Problems

Persistent Slabs

A weak layer of crust and/or facets is buried 30 to 60 cm deep. Recent avalanches on this layer suggest it remains a concern, especially on northerly slopes where a melt-freeze crust is absent beneath the new snow.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Unlikely - Possible

Expected Size: 1 - 2.5

Storm Slabs

Up to 15 cm of snow and moderate southwest winds will build fresh storm slabs on exposed lee facing slopes tomorrow.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Possible

Expected Size: 1 - 2