Purcells

Northerly winds and periods of convective flurries have created wind slabs in the alpine.

Good

Sunny and dry for Wednesday and Thursday with freezing levels around 1500 m and light winds. A mix of sun and cloud for Friday as freezing levels reach 2000 m and winds increase to moderate westerlies.

Reports from Monday include several dry loose sluffs in steep terrain and thin soft wind slabs reacting to slope cuts with minimal propagation.

5- 10 cm of recent storm snow adds to the variable amounts of dry facetted snow on top of the mid-February crust with associated buried surface hoar in sheltered areas, or more recent melt-freeze crusts on sun-exposed slopes. The late-Jan crust/surface hoar layer can be found about a metre below the surface in deeper snowpack areas. The mid-January surface hoar, can be found below that. These layers have gained significant strength, and chances of triggering these weaknesses have decreased dramatically. However, triggering may be possible with a large input such as cornice fall, or an avalanche stepping down, especially on slopes that see a lot of sun.