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Avalanche Forecast

Archived

Mar 24th, 2025–Mar 25th, 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 possible, human triggered probable.
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.

Assess the bond of the new snow to the old in your area.

Start on small, simple terrain before increasing your exposure to avalanche terrain.

Confidence

Moderate

Snowpack Summary

Up to 40 cm of new snow has built storm slabs at upper elevations. These slabs are expected to be thickest and most reactive on wind-loaded north and east aspects. High freezing levels may result in rain at lower elevations.

Otherwise, 40 to 70 cm of snow overlies a melt-freeze crust. Two weak layers of surface hoar and/or faceted grains associated with crusts from late-January and mid-February may be found 70 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

Monday Night

Cloudy with 0 to 3 mm/cm of rain/snow. 10 to 20 km/h southwest ridgetop wind. Treeline temperature 1 °C. Freezing level 2000 m.

Tuesday

Cloudy with 2 mm of rain. 20 to 30 km/h southwest ridgetop wind. Treeline temperature 3 °C. Freezing level 2600 m by end of day.

Wednesday

A mix of sun and cloud. 20 to 30 km/h southeast ridgetop winds. Treeline temperature +7 °C. Freezing level rising to 3100 m.

Thursday

Mostly cloudy with 5 to 15 cm/mm of snow or rain. 20 to 30 km/h southeast ridgetop winds. Treeline temperature 0 °C. Freezing level falling to 1800 m by noon.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • If you are increasing your exposure to avalanche terrain, do it gradually as you gather information.
  • Be especially cautious as you transition into wind-affected terrain.
  • Loose avalanches may start small, but they can grow and push you into dangerous terrain.

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.

Loose Wet

Loose Wet avalanches are the release of wet unconsolidated snow or slush. These avalanches typically occur within layers of wet snow near the surface of the snowpack, but they may quickly gouge into lower snowpack layers. Like Loose Dry Avalanches, they start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-wet avalanches include point-release avalanches or sluffs. Loose Wet avalanches can trigger slab avalanches that break into deeper snow layers.