Persistent Slabs
- Alpin
- Limite forestière
- Sous la limite forestière
- Probabilité
- Unlikely
- Taille
- 1.5–2.5
A weak layer of facets may be found 70 to 150 cm deep. In shallower inland areas, weak depth hoar exists to ground.
Take caution when transitioning from thick to thin areas in the snowpack.
This is where you are most likely to trigger the persistent slab.
A weak layer of facets may be found 70 to 150 cm deep. In shallower inland areas, weak depth hoar exists to ground.
January 16 to 22
No new avalanches reported but observations are limited. Consider posting to the MIN if you are out in the mountains!
The upper 30 to 40 cm has been significantly altered by extreme southerly wind with scoured south facing slopes and loaded, pressed and sculpted, north facing slopes.
Below 1300 m and on south facing slopes a crust is present on or under the recent snow. This crust has a layer of surface hoar that is growing on it.
A weak layer of facets is buried 80 to 150 cm deep. In shallow snowpack areas, the bottom half of the snowpack is composed of weak depth hoar.
Thursday Night
Mostly cloudy. 20 km/h east ridgetop wind. Treeline temperature -13 °C.
Friday
Mainly cloudy. 10 km/h southeast ridgetop wind. Treeline temperature -11 °C.
Saturday
Mostly sunny. 20 km/h west ridgetop wind. Treeline temperature -11 °C.
Sunday
Sunny. 20 km/h west ridgetop wind. Treeline temperature -12 °C.
More details can be found in the Mountain Weather Forecast.