Wind Slabs
- Alpin
- Limite forestière
- Sous la limite forestière
- Probabilité
- Possible
- Taille
- 1–2
Continued moderate winds and new snow will build fresh wind slabs and bury previous wind slabs. Be cautious transitioning into wind-affected terrain.
Expect hazard to increase through the day as the new snow accumulates.
New snow falls on a variety of surfaces, assess the bond carefully as you travel.
Continued moderate winds and new snow will build fresh wind slabs and bury previous wind slabs. Be cautious transitioning into wind-affected terrain.
On Tuesday, there were reports of skier triggered wind slabs up to size 1 in steep NE terrain. Sluffing was reported to run fast and far on sheltered north aspects.
Some sluffing was reported on Monday.
On Saturday, a skier triggered a wind slab on a northeast-facing alpine slope near Sky Pilot.
New snow falls on a variety of surfaces including wind affect in the alpine, facets on north aspects, and sun affected snow on the south aspects. Expect the potential for a poor bond to form in areas where facets or crusts exist.
There is a crust from early February that is down 20 to 60 cm and seems to be well bonded to the new snow.
The remainder of the snowpack is well-bonded.
The snowpack depth at treeline ranges from 90 to 170 cm. The snowpack depth tapers rapidly below treeline, especially on south aspects.
Friday Night
Mostly cloudy. 2 to 10 cm of snow. 30 km/h south ridgetop wind. Treeline temperature -6 °C.
Saturday
Mostly cloudy. 1 to 10 cm of snow. 40 km/h southeast ridgetop wind. Treeline temperature -4 °C.
Sunday
Mostly cloudy. 20 to 45 mm of precipitation. 60 km/h southeast ridgetop wind. Treeline temperature -1 °C. Freezing level 1200 m.
Monday
Mostly cloudy. 15 to 30 cm of snow. 40 km/h south ridgetop wind. Treeline temperature -2 °C. Freezing level 1100 m.
More details can be found in the Mountain Weather Forecast.