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Avalanche Forecast

Archived

Dec 14th, 2015–Dec 15th, 2015

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

Regions

South Coast.

This bulletin was published using limited data. Regional snowpack variability likely exists, so be your own forecaster and make observations continually as you travel.

Confidence

Low - Due to the number of field observations

Weather Forecast

Light flurries are forecast for Tuesday. A mix of sun and cloud is expected on Wednesday and Thursday morning with light snowfall developing by Thursday evening. Ridgetop winds should remain mainly moderate from the northwest with freezing levels hovering around 500m for all 3 days.

Avalanche Summary

There have been no recent reports of avalanche activity. This may speak more to a lack of observations rather than actual conditions. If you've been out in the mountains, please share your observations on the Mountain Information Network.

Snowpack Summary

40-50cm of snow from last weekend's storm was shifted by strong winds into much deeper deposits in high elevation lee terrain. In the Coquihalla area, reports suggest weak surface hoar may exist below the recent storm snow, although there is some uncertainty as to its distribution and reactivityBelow 2200m, a hard rain crust can be found approximately 100cm below the surface. Avalanches failing below this crust are unlikely.

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.