Confidence
Fair - Forecast snowfall amounts are uncertain on Tuesday
Weather Forecast
Overnight and Tuesday: Flurries are expected to continue overnight with little accumulation. Strong Northwest winds overnight are expected to become moderate Westerly as the next pulse of moisture moves into the region around mid-day.Wednesday:10-15 cms are forecast by late morning, becoming flurries in the afternoon.Thursday: Dry and cool as a ridge of high pressure moves into the region.
Avalanche Summary
Some soft slab avalanches up to size 2.0 have been reported in steep terrain.
Snowpack Summary
The recent storm slab continues to develop. Storm snow amounts are up to 30-40 cms. The storm snow has not consolidated into a cohesive slab, but we are expecting that to happen in the next 24-48 hours due to forecast new snow amounts. We expect the recent surface hoar and surface facets to be well preserved as they were buried by cold and dry new snow. The mid-pack is well settled, and deeply buried weak layers have not been reported to be reactive.
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.