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Avalanche Forecast

Archived

Dec 1st, 2013–Dec 2nd, 2013

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

Northwest Inland.

Little is know about the snowpack in this region due to the scarcity of information. If you are in the backcountry and gather information, send us an email and help everyone stay informed! [email protected]

Confidence

Poor - Due to the number of field observations

Weather Forecast

Monday: No precipitation in the forecast. Sunny skies and temps down to -13c in the valleys, Arctic outflow winds from the north 20 km/h gusting to 60 km/h as the cold front moves south.Tuesday: Cold dry air will persist for the remainder of the week. accompanied by arctic outflow winds.Wednesday: Cold dry conditions remain in the region freezing level will remain at valley bottom.Thursday: Cold conditions persist in the interior. Some models show a frontal system arriving on the coast on Thursday, but timing is uncertain.

Avalanche Summary

No reports of avalanche activity in this region.

Snowpack Summary

Wide variations in snowpack depth and structure exist throughout the region. The region has been mostly below the threshold for avalanches up to this point.  Data indicates snow amounts are well below the seasonal average, but the exception may be isolated wind loaded pockets at tree line or higher elevations. Slopes with enough snow to ride may be the ones most likely to avalanche.

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.