Cautious route-finding will be important at upper elevations as fresh storm slabs will be easy to trigger.
With 20 to 35 cm of fresh snow, storm slabs will remain reactive at upper elevations on Wednesday. Human triggered avalanches will be likely on steep and wind-loaded slopes.
As flurries ease off overnight there will likely be 20 to 35 cm of storm snow at upper elevations by Wednesday morning. Most below treeline terrain will have moist and crusty surfaces, as freezing levels during the storm were between 1600 and 1800 m. Several crusts can be found in the upper snowpack and recent observations suggest the snow is well bonded to these crusts.
TUESDAY NIGHT: Cloudy with scattered flurries bringing 5 to 10 cm of snow in localized areas, moderate wind from the southwest, treeline temperatures cool to -6 C.
WEDNESDAY: Mostly cloudy skies with sunny periods in the afternoon, moderate wind from the southwest, treeline temperatures climb to -3 C with freezing level reaching 1700 m.
THURSDAY: Mix of sun and cloud, moderate wind from the southwest, treeline temperatures up to -1 C with freezing level climbing to 1800 m.
FRIDAY: Cloudy with flurries easing off in the morning bringing up to 5 cm of new snow, light to moderate wind from the southwest, freezing level around 1700 m.
During the peak of the storm on Tuesday there were numerous natural, human, and explosive triggered avalanches. These included small to large storm slab avalanches (size 1 to 2.5) at treeline and above, and wet loose avalanches below treeline. Storm slabs will likely remain reactive to human triggering on Wednesday.
