Storm Slabs
- Alpin
- Limite forestière
- Sous la limite forestière
- Probabilité
- Possible
- Taille
- 1–2
15 to 25 cm of recent snow and southwest wind have formed fresh storm slabs.
Expect strong solar radiation to increase the likelihood of triggering slabs.
15 to 25 cm of recent snow and southwest wind have formed fresh storm slabs.
Triggering will be most likely in wind affected terrain.
15 to 25 cm of recent snow and southwest wind have formed fresh storm slabs.
Expect strong solar radiation to increase the likelihood of triggering slabs.
Expect strong solar radiation to trigger small wet loose avalanches and increase the likelihood of triggering slabs.
On Thursday, a few naturally triggered storm slabs up to size 1.5 were reported on northerly and easterly aspects at treeline and above.
15 to 25 cm of recent snow and southwest wind have formed fresh storm slabs that may be reactive to human triggers.
60 cm of recent snow sits on a melt-freeze crust, except for high-elevation north and east-facing slopes.
A persistent weak layer of surface hoar or facets from late January is buried 100 to 150 cm. Rocky slopes with a convex shape on northerly and easterly facing aspects at treeline and above are the most likely places to trigger this layer.
The lower snowpack is generally well-settled and strong.
Friday night
Cloudy with 3 to 10 cm of snow. 15 to 30 km/h west ridgetop winds. Treeline temperature -5 °C. Freezing level valley bottom.
Saturday
Mix of sun and cloud with 0 to 5 cm of snow. 10 to 20 km/h west winds. Treeline temperature -4 °C. Freezing level 1600 m.
Sunday
Cloudy skies. 30 to 40 km/h southwest ridgetop winds. Treeline temperature -2 °C. Freezing level 1800 m.
Monday
Mostly cloudy. 30 to 40 km/h west ridgetop winds. Treeline temperature 3 °C. Freezing level rapidly rising to 2400 m.
More details can be found in the Mountain Weather Forecast.