Wind Slabs
- Alpin
- Limite forestière
- Sous la limite forestière
- Probabilité
- Possible
- Taille
- 1–2
New snow, loading the NE through S aspects in the alpine. Expected some variable distribution depending on fetch.
10-12 cm of new snow fell overnight on Monday. Moderate transport winds have created isolated pockets of wind slab in exposed alpine terrain.
Cold temperatures are expected to persist through the week, with a warming trend forecast for the weekend.
New snow, loading the NE through S aspects in the alpine. Expected some variable distribution depending on fetch.
The March 20 crust is down 20–60 cm, near and below treeline. The Jan 24 faceted layer is down 80–120 cm. Dig to assess how these layers are responding to the current load. Slopes that have not released naturally should be approached with added caution.
Road patrol on the Icefields Parkway today. No new avalanches to report.
Fresh snow from the last 24 hours, Maligne 10 cm, Icefields 12 cm. Solar aspects have sun crusts and moist snow, while dry snow persists on polar aspects. A Mar 20 MFcr (5–10 cm) sits 20–40 cm down, below treeline, and tapers out above 2100 m. The Jan 24 SH/FC layer lies 80–120 cm deep, mainly in the alpine. The Icefields' snowpack is well bonded; Bald Hills is somewhat weaker. Avg depths: Icefields 170–275 cm; Maligne 80–125 cm.
Tonight: Clear periods. Low -10 °C. Mostly light winds, gusts to 35 km/h.
Wednesday: Cloudy with sunny periods. High -6 °C. Light west wind. Freezing level: 1600 m
Thursday: A mix of sun and cloud. Low -10 °C, High -4 °C. Light west wind. Freezing level: 1900 m
Friday: A mix of sun and cloud. Low -7 °C, High 0 °C. Light SW wind. Freezing level: 2300 metres.