New snow, wind and warming temperatures are maintaining dangerous avalanche conditions.
Further snowfall and wind continue to add stress to buried weak layers. Facets, surface hoar, and crusts in the snowpack may become more reactive and have the potential to produce very large, destructive avalanches. Read more here
Ongoing snowfall and strong winds continue to produce widespread storm slabs. Expect larger and more reactive slabs in wind-loaded terrain on all aspects.
A widespread natural and explosive-triggered avalanche cycle continued through the week, producing very large avalanches up to size 3.5. Most reported activity occurred on north through east aspects at treeline and alpine elevations. Avalanches ran within the recent storm snow and on buried weak layers.
Natural avalanche activity remains likely as additional snowfall and strong winds continue to add load and stress to the snowpack.
up to 30 cm of new snow in the past 48 hours, has formed widespread storm slabs. North winds veered to moderate sustained southerly winds. Expect to encounter wind slabs on most aspect in the alpine and at treeline at or near terrain below ridge crests.
Since early February, new snow has buried (and continues to load) a variety of old surfaces, including surface hoar, facets, and crusts. This weak layer is most likely in wind-sheltered terrain and is buried roughly 90 to 180 cm deep.
Below this layer, the remaining snowpack is generally well settled and well bonded.
Thursday Night
Cloudy. 3 to 5 mm of precipitation as snow or rain at treeline. 50 km/h southwest ridgetop wind. Treeline temperature 0 °C.
Friday
Cloudy. 10 to 30 mm of precipitation as snow or rain at treeline. 60 km/h southwest ridgetop wind. Treeline temperature 0 °C.
Saturday
Mostly cloudy. 15 to 35 mm of precipitation as snow or rain at treeline. 60 km/h southwest ridgetop wind. Treeline temperature 1 °C.
Sunday
Mostly cloudy. 10 to 15 cm of snow. 50 km/h southwest ridgetop wind. Treeline temperature -5 °C.
More details can be found in the Mountain Weather Forecast.
