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Avalanche Forecast

Archived

Dec 4th, 2021–Dec 5th, 2021

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

Regions

South Coast.

Avalanches are unlikely but a dusting of snow over a hard crust can make for difficult travel and increase the consequences of slips or tumbles on steep terrain. 

Confidence

Moderate - Forecast snowfall amounts are uncertain.

Weather Forecast

Saturday night: Clear. Strong northwest wind. Treeline temperature around -5.

Sunday: A mix of sun and cloud. Light northwest wind. Treeline high temperatures around -6.

Monday: Overnight snow 10-15 cm then clearing. Light northwest wind. Treeline high temperatures around -7.

Tuesday: A mix of sun and cloud. Strong northwest wind. Treeline high temperatures around -2.

Avalanche Summary

A thick surface crust has effectively eliminated avalanche concerns in the region.

Snowpack Summary

A skiff of new snow sits over a thick, supportive surface crusts at all elevations.

Treeline snow depths in advance of the storm were around 80-100 cm but rain has eroded some of this. Much of treeline and almost all below treeline elevations are still below threshold depths for avalanches.

Terrain and Travel

  • When a thick, melt-freeze surface crust is present, avalanche activity is unlikely.
  • A crust on the surface will help bind the snow together, but may make for tough travel conditions.