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Avalanche Forecast

Archived

Feb 22nd, 2025–Feb 23rd, 2025

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

Regions

South Okanagan, Shuswap, North Okanagan.

Watch for signs of instability and investigate the bond of the new snow to the old surface.Back down from terrain where a small avalanche could push you into a terrain trap.

Confidence

Moderate

Avalanche Summary

Small human triggered avalanches of the new snow over the old surface are being reported in the alpine and at treeline on all aspects.

If you head into the backcountry please consider submitting a MIN post.

Snowpack Summary

30 cm of new snow continues to accumulate atop a thin crust on sun-exposed slopes and surface hoar in wind-sheltered areas.

Beneath, the upper snowpack is largely faceted.

The mid and lower snowpack is generally settled and strong.

Weather Summary

Saturday Night

Cloudy with up to 7 cm of snow. 30 to 50 km/h southwest ridgetop wind. Treeline temperature -2 °C.

Sunday

Mix of sun and cloud with flurries. 20 to 30 km/h southwest ridgetop wind. Treeline temperature 1 °C. Freezing level 1600 m.

Monday

Mostly cloudy with 10 to 20 cm of snow. 20 to 30 km/h south ridgetop wind. Treeline temperature 2 °C. Freezing level 1600 m.

Tuesday

Mostly cloudy with up to 5 cm of snow. 20 to 40 km/h southwest ridgetop wind. Treeline temperature 0 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for signs of slab formation throughout the day.
  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.
  • Closely monitor how the new snow is bonding to the crust.

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.