Forecast snow and wind are expected to form fresh storm slabs reactive to human triggers.
Triggering will be most likely in wind affected terrain.
A persistent weak layer of surface hoar or facets is buried 80 to 150 cm. Rocky slopes with a convex shape on northerly and easterly facing aspects at treeline and above are the most likely places to trigger this layer.
Forecast snow and wind are expected to form fresh storm slabs reactive to human triggers.
On Wednesday, numerous explosive triggered storm slabs up to size 1.5 were reported primarily on northerly aspects at treeline and above.
Forecast snow and wind are expected to form fresh storm slabs reactive to human triggers.
60 cm of recent snow sits on a melt-freeze crust, except for high-elevation north and east-facing slopes.
A persistent weak layer of surface hoar or facets from late January is buried 100 to 150 cm. Rocky slopes with a convex shape on northerly and easterly facing aspects at treeline and above are the most likely places to trigger this layer.
The lower snowpack is generally well-settled and strong.
Thursday night
Cloudy with 3 to 10 cm of snow. 20 to 30 km/h southwest ridgetop winds. Treeline temperature -7 °C. Freezing level valley bottom.
Friday
Cloudy with 5 to 15 cm of snow. 30 to 40 km/h southwest ridgetop winds. Treeline temperature -3 °C. Freezing level 1700 m.
Saturday
Mix of sun and cloud with isolated flurries, 0 to 5 cm of snow. 10 to 20 km/h west winds. Treeline temperature -5 °C. Freezing level 1500 m.
Sunday
Mostly cloudy. 20 to 30 km/h southwest ridgetop winds. Treeline temperature -3 °C. Freezing level 1700 m.
More details can be found in the Mountain Weather Forecast.
