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Avalanche Forecast

Archived

Apr 3rd, 2025–Apr 4th, 2025

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

Regions

Sasquatch, Sasquatch, Coquihalla, Harrison-Fraser, Manning, Skagit.

Avalanches are possible on steep slopes, especially when exposed to direct sunlight.

Confidence

Moderate

Avalanche Summary

A few small loose wet avalanches have been observed in recent days and will likely continue during periods of sun.

Snowpack Summary

Dry, settled powder may still be found on high north-facing slopes, while elsewhere, a daily melt-freeze cycle is creating a hard crust overnight that softens during the day.

An old persistent weak layer may still be present 100 to 150 cm below the surface on high north-facing slopes, but it is rounding and unreactive under current conditions.

Treeline elevations still hold over 200 cm of snow, but coverage is rapidly thinning at lower elevations.

Weather Summary

Thursday Night

Clear. 10 km/h north ridgetop wind. Treeline temperature -3 °C. Freezing level 1500 m.

Friday

Sunny. 10 km/h variable wind. Treeline temperature +1 °C. Freezing level 2000 m.

Saturday

Mix of sun and cloud. 10 km/h southwest ridgetop wind. Treeline temperature +5 °C. Freezing level 2500 m.

Sunday

Mostly cloudy. 30 km/h south ridgetop wind. Treeline temperature +3 °C. Freezing level 2300 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Limit exposure to steep, sun exposed slopes, especially when the solar radiation is strong.
  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.

Problems

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.

Wind Slabs

Wind Slab avalanches are the release of a cohesive layer of snow (a slab) formed by the wind. Wind typically transports snow from the upwind sides of terrain features and deposits snow on the downwind side. Wind slabs are often smooth and rounded and sometimes sound hollow, and can range from soft to hard. Wind 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.