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Avalanche Forecast

Archived

Dec 25th, 2022–Dec 26th, 2022

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

Regions

South Coast, North Shore, Sasquatch, Sasquatch, Sky Pilot.

Ongoing precipitation and warm temperatures will keep the avalanche hazard elevated.

Confidence

Low

Avalanche Summary

No notable recent avalanches have been reported, however poor weather and road closures have limited observations.

Please continue to post your observations and photos to the Mountain Information Network.

Snowpack Summary

Rain has saturated the snowpack at most elevations, expect to find wet and unconsolidated snow until cold temperatures refreeze the snowpack.

Prior to this weekend's rain event, the snowpack was well settled with treeline depths 100-180 cm.

Weather Summary

Sunday Night

Heavy rain, 30 mm. Ridgeline low temperature +4 C. Southwest wind 50-70 km/hr. Freezing level spiking above 2500 m.

Monday

Heavy rain in the morning then less rain, 30 mm. Ridgetop high temperature +6 C. Southwest wind 30-60 gusting to 90 km/hr. Freezing level starting near 2000 m and falling.

Tuesday

More rain, 35 mm. Ridgetop low temperature +4 C. Southwest wind 30-40 gusting to 70 km/hr. Freezing level falling to 1500 m.

Wednesday

Lighter rain, 15 mm. Ridgeline high temperature +2 C. Southwest wind 30-40  km/hr. Freezing level falling below 1000 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Minimize exposure during periods of heavy loading from rain.
  • The more the snow feels like a slurpy, the more likely loose wet avalanches will become.
  • Avoid exposure to areas with overhead hazard during periods of rain.

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.