Wind Slabs
- Alpine
- Treeline
- Below treeline
- Likelihood
- Possible
- Size
- 1–2
Wind slabs are lingering as faceting continues with ongoing cold temperatures.
Old and hard wind slabs are an area of concern.
Pay attention as you transition from sheltered to wind exposed terrain.
Wind slabs are lingering as faceting continues with ongoing cold temperatures.
One (size 2) natural wind slab avalanches was reported on Tuesday. It failed on a layer of facets. See more from the field team's MIN.
Observations are limited this time of year. Be sure to verify conditions as you go.
If you are getting out in the backcountry, consider sharing your observations on the Mountain Information Network (MIN)!
The upper snowpack is mostly hard and sculpted by the wind at alpine elevations and deep into the treeline, with only the most sheltered areas holding soft snow.
Cold temperatures continue to facet the mid and lower snowpack.
An average snowpack depth of 110 cm in the alpine tapers with elevation to around 60 cm at the White Pass highway elevation.
Wednesday Night
Mostly clear. 30 km/h northeast ridgetop wind. Treeline temperature -28 °C.
Thursday
Mostly sunny. 30 km/h northeast ridgetop wind. Treeline temperature -29 °C.
Friday
Mostly cloudy. 30 km/h northeast ridgetop wind. Treeline temperature -28 °C.
Saturday
Mostly cloudy. 20 km/h northeast ridgetop wind. Treeline temperature -30 °C.
More details can be found in the Mountain Weather Forecast.