Higher elevation north facing terrain is the best bet for good turns and also the area to be aware of hidden wind slab at ridgeline.
Weather Forecast
Mainly cloudy with 60% chance of flurries. Freezing level should edge up to 1300m with an alpine high temp of -7C. Winds are forecast to remain light from the west. Cooling temperatures, light winds and light precipitation are forecast for Wednesday.
Snowpack Summary
15-20cm of new snow over the last few days accompanied by generally light winds. The new snow has covered recently formed windslab at ridge-top elevations and a refrozen rain soaked surface below treeline. Layers of concern to look for are down 30-60cm and are crusts on S aspects and surface hoar on protected N facing terrain.
Avalanche Summary
Five avalanches to size 2 mainly from steep solar aspect on Mt Tupper were observed in the highway corridor yesterday. We were able to trigger a few surface slabs to size 1.0 skiing down from Avalanche Crest yesterday. The top 10-15cm were moist and would push off of convexities down the route.
Confidence
The weather pattern is stable
Problems
Wind Slabs
Wind Slab avalanches are the release of a cohesive layer of snow (a slab) formed by the wind. Wind typically transports snow from the upwind sides of terrain features and deposits snow on the downwind side. Wind slabs are often smooth and rounded and sometimes sound hollow, and can range from soft to hard. Wind 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.
Persistent Slabs
Persistent Slab avalanches are the release of a cohesive layer of snow (a slab) in the middle to upper snowpack, when the bond to an underlying persistent weak layer breaks. Persistent layers include: surface hoar, depth hoar, near-surface facets, or faceted snow. Persistent weak layers can continue to produce avalanches for days, weeks or even months, making them especially dangerous and tricky. As additional snow and wind events build a thicker slab on top of the persistent weak layer, this avalanche problem may develop into a Deep Persistent Slab.