Stiff wind slabs could be reactive to human triggers at upper elevations.
Summary
Confidence
High - The weather pattern is stable on Thursday
Weather Forecast
Increasing cloud cover and light snowfall amounts are forecast with the incoming weather system. Thursday: Cloudy with sunny periods and isolated flurries. Treeline temperatures near -5 with light ridgetop winds from the northwest.Friday: Cloudy with snow amounts 5-10 cm. Treeline temperatures near -6 and ridgetop winds moderate from the northeast. Saturday: A mix of sun and cloud. Treeline temperatures near -8 and ridgetop winds moderate from the northeast.
Avalanche Summary
On Monday, a MIN report from Mt. Anif showed substantial wind loading and a reactive wind slab problem at treeline and alpine elevations.
Check it out HERE. Loose dry sluffing from steeper terrain features up to size 1.
Snowpack Summary
In the alpine, 40-60 cm of storm snow fell last weekend and sits above a crust or heavily wind affected old snow surfaces. Strong outflow winds have redistributed and formed isolated wind slabs at most elevations. Loose dry sluffing within the recent snow can be found in steeper terrain features. At treeline elevation and below 5-10 cm of snow from last weekend now sits on a supportive crust and feathery surface hoar crystals are forming on the surface. The mid-pack is well-settled and strong.
swerner,
Avalanche Canada
