Be prepared to dial back your terrain choice as the weather rolls in.
New storm and wind slabs will likely form in the afternoon.
New storm and wind slabs will likely form throughout the day. The largest and most reactive slabs will likely be found on northerly aspects at treeline and above.
On Sunday avalanche control with explosives in the region produced numerous avalanches up to size 3.
On Saturday a widespread storm cycle was observed on all aspects and elevations. These avalanches were generally up to size 2.
If you are going out in the backcountry, please consider sharing your observations to the Mountain Information Network (MIN)
By 4 pm on Tuesday an additional 15 cm of storm snow may have fallen. This will be accompanied by strong southerly winds forming deeper deposits on north aspects.
A crust may be found on or near the surface at lower elevations. At treeline and above a layer of surface hoar in sheltered terrain may be found down 30 cm.
A prominent crust is down 50 to 80 cm at treeline. A layer of surface hoar may be found in sheltered areas at treeline at this depth but it’s distribution is uncertain.
The lower snowpack is well-settled with no layers of concern.
Monday Night
Mostly clear skies with trace amounts of snow expected. 10 to 30 km/h south ridgetop wind. Treeline temperature -8 °C.
Tuesday
Cloud increasing throughout the day with up to 10 cm of snow expected. 30 to 50 km/h south ridgetop wind. Treeline temperature -3 °C.
Wednesday
Cloudy in the morning and clearing in the afternoon. Up to 40 cm of snow expected by late morning. 20 to 40 km/h southwest ridgetop wind. Treeline temperature -4°C.
Thursday
Mix of sun and cloud with trace amounts of snow expected at treeline and above. 40 to 60 km/h south ridgetop wind. Freezing level around 1800 m.
More details can be found in the Mountain Weather Forecast.
