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Avalanche Forecast

Archived

Feb 25th, 2025–Feb 26th, 2025

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

Regions

South Okanagan, Shuswap, North Okanagan.

Start with mellow terrain, and see how the recent snow is bonding before committing to steeper or larger features.The sun is starting to pack a punch, use extra caution around sunny slopes.

Confidence

Moderate

Avalanche Summary

On Monday, north of Kamloops, explosives avalanche control produced a few small to large (up to size 2) avalanches in east and southeast facing treeline terrain. They all likely failed on a layer of facets that was buried in the recent storm.

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

Snowpack Summary

35 to 60 cm of settling snow sits atop atop a thin crust on sun-exposed slopes and surface hoar or facets in wind-sheltered areas.

Beneath, the upper snowpack is largely faceted.

The mid and lower snowpack is generally settled and strong.

Weather Summary

Tuesday Night

Mostly cloudy with up to 1 cm of snow. 15 to 25 km/h west ridgetop wind. Treeline low -4 °C. Freezing level 1250 m.

Wednesday

Partly cloudy. 15 to 25 km/h south ridgetop wind. Treeline temperature 3 °C. Freezing level rising to 1750 m or higher.

Thursday

Mix of sun and cloud. 50 to 60 km/h southwest ridgetop wind in the morning, getting lighter through the day. Freezing level 2500 m or higher.

Friday

Mostly sunny. 20 to 35 km/h southwest ridgetop wind. Freezing level 2500 m. Possible below 0 °C temperatures at valley bottom in the morning.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Start with simple terrain and gather information before committing to bigger features.
  • Use small, low consequence slopes to test the bond of the new snow.
  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.
  • Be alert to conditions that change with elevation and sun exposure.

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.