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Archived

Avalanche Forecast

Mar 21st, 2025–Mar 22nd, 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
1: Low
The avalanche danger rating below treeline will be low
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
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
2: Moderate
The avalanche danger rating below treeline will be moderate

Regions: North Okanagan, Shuswap, South Okanagan.

Recent snow and wind have built fresh wind slabs.

Seek out soft snow with no wind effect for a combination of the best riding and lowest hazard.

Confidence

Moderate

Avalanche Summary

On Friday, skiers near Silver Star ski cut a few small size 1 wind slabs.

Skiers near Big White were able to ski cut several small wind slabs on alpine northeast-facing slopes on Thursday.

With 10 to 15 cm of recent snow and moderate westerly winds forecast, there is good potential for wind slabs to remain reactive through Saturday.

Snowpack Summary

10 to 15 cm of recent snow has been blown by southwesterly wind, building wind slabs near and just below ridge crests at alpine and treeline elevations. Below that, 30 to 50 cm of snow overlies a melt-freeze crust. Two weak layers of surface hoar and/or faceted grains associated with a crust from late January and mid-February may be found 60 to 120 cm deep. Recently, these layers have been unreactive and are not a significant concern. The mid and lower snowpack is well-settled and strong.

Weather Summary

Friday night

Mostly clear. 20 to 30 km/h west ridgetop winds. Treeline temperature -7 °C.

Saturday

Mix of sun and cloud. 15 to 30 km/h west ridgetop wind. Treeline temperature -5 °C.

Sunday

Cloudy with 10 to 20 cm of snow. 30 km/h southwest ridgetop winds. Treeline temperature -3 °C.

Monday

Mostly cloudy. 30 to 40 km/h southwest ridgetop wind. Treeline temperature +2 °C. Freezing level rising to 2100 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.
  • Seek out sheltered terrain where new snow hasn't been affected by wind.
  • Use ridges or ribs to avoid areas of wind-loaded snow.

Avalanche Problems

Wind Slabs

Be cautious if you move into wind-affected terrain. Wind slabs are expected to be reactive to human triggers.

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

Elevations: Alpine, Treeline.

Likelihood: Likely

Expected Size: 1 - 2