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Archived

Avalanche Forecast

Mar 8th, 2025–Mar 9th, 2025
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
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
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: North Okanagan, Shuswap, South Okanagan.

Triggering the buried weak layer is unlikely, but if triggered it will be a large avalanche.

Travel one at a time and watch your partner.

Confidence

Moderate

Avalanche Summary

Two large (size 2) storm slabs were triggered with explosives near Kamloops on Thursday.

Snowpack Summary

5 to 10 cm of snow covers a widespread melt-freeze crust, which in sheltered spots may have small surface hoar crystals on it, found treeline and below. The crust exists on all aspects, except possibly high-elevation north-facing slopes. 30 to 60 cm further down is a crust or surface hoar/facets.

A weak layer, buried in late January, consists of surface hoar, facets, and/or a crust, is found 50 to 90 cm deep.

Below this, the mid and lower snowpack is generally settled and strong.

Weather Summary

Saturday Night

Cloudy. 30 to 50 km/h south ridgetop wind. Treeline temperature 0 °C. Freezing level 1500 m.

Sunday

Cloudy with 0 to 5 cm of snow above 1500 m. 30 to 50 km/h southwest ridgetop wind. Treeline temperature -2 °C. Freezing level 1600 m.

Monday

A mix of sun and cloud with 5 to 10 cm of snow overnight. 20 km/h southwest ridgetop wind. Treeline temperature -5 °C. Freezing level 1200 m.

Tuesday

A mix of sun and cloud with up to 5 cm of snow overnight. 20 to 30 km/h southwest ridgetop wind. Treeline temperature -5 °C. Freezing level 1200 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be mindful that deep instabilities are still present in the snowpack.
  • Avalanche activity is unlikely when a thick melt-freeze crust is present on the snow surface.
  • Avoid freshly wind-loaded terrain features.

Avalanche Problems

Persistent Slabs

This is a low-probability, high-consequence situation. Choose conservative terrain, avoiding terrain traps.

Aspects: All aspects.

Elevations: Alpine.

Likelihood: Unlikely

Expected Size: 1.5 - 2.5

Wind Slabs

Small wind slabs may build through the day with incoming snow.

Aspects: North, North East, East, South East, North West.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 1.5