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Avalanche Forecast

Archived

Apr 7th, 2025–Apr 8th, 2025

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

Regions

South Okanagan, Shuswap, North Okanagan.

Storm slabs at upper elevations may be reactive to rider triggering.

Even brief periods of sunshine will affect the new snow and could trigger wet loose avalanches on slopes facing the sun.

Confidence

Moderate

Avalanche Summary

No new avalanches were reported Sunday.

New storm slabs may be reactive at higher elevations. When the sun comes out, expect conditions to change rapidly and natural wet loose avalanches are likely.

NOTE: Observations in this region are currently very limited.

Snowpack Summary

Up to 20 cm of new snow may exist above 1200 m. This sits above 20 cm of moist snow overlying a crust. At elevations below 1500 m, this snow is likely wet. Beneath this is a moist upper snowpack.

The mid/lower snowpack is well settled and strong.

Weather Summary

Monday Night

Cloudy with snow 10 to 20 cm. 25 to 40 km/h southwest ridgetop wind. Treeline temperature -2 °C. Freezing level falling to 1200 m.

Tuesday

Mix of sun and cloud. 10 to 20 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1800 m.

Wednesday

Cloudy with sunny periods. 5 to 20 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1500 m.

Thursday

Mix of sun and cloud. 15 to 25 km/h southwest ridgetop wind. Treeline temperature 0 °C. Freezing level 2500 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Keep your guard up as storm slabs may remain sensitive to human triggering.
  • Be careful as you transition into wind-affected terrain.
  • Be alert to conditions that change with aspect and elevation.
  • A moist or wet snow surface, pinwheeling, and natural avalanches are all indicators of a weakening snowpack.

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.