Avalanche Forecast
Issued: Mar 17th, 2021 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs.
mconlan,
Avalanche Canada
New wind slabs may form over Thursday at higher elevations.
Summary
Confidence
Weather Forecast
WEDNESDAY NIGHT: Partly cloudy, 30 km/h south wind, alpine temperature -1 C, freezing level 1700 m.
THURSDAY: Cloudy with snowfall, accumulation 5 to 10 cm, 40 km/h south wind, alpine temperature -3 C, freezing level 1500 m.
FRIDAY: Cloudy with snowfall, accumulation 5 to 15 cm, 20 to 40 km/h south wind, alpine temperature -5 C.
SATURDAY: Cloudy with snowfall, accumulation 5 cm, 20 km/h southwest wind, alpine temperature -6 C.
Avalanche Summary
A few small wet loose avalanches were triggered naturally during the heat of the day on Tuesday. Otherwise, no new avalanches were observed. Avalanche activity is expected to increase in the coming days as a multi-day storm impacts the region.
Snowpack Summary
A storm starts impacting the region on Thursday, bringing some new snow and strong south wind. New wind slabs may form at high elevations in lee terrain features. The new snow will overly a melt-freeze crust up to around 1700 m and higher on sun-exposed slopes or wind-affected dry snow on northerly aspects at high elevations. Remember that cornices along ridgelines are large at this time of year and always have the possibility of failing naturally or from the weight of a human.
Terrain and Travel
- Carefully evaluate steep lines for wind slabs.
- Back off if you encounter whumpfing, hollow sounds, or shooting cracks.
- Extra caution is needed around cornices under the current conditions.
Problems
Wind Slabs
New wind slabs may form on Thursday as new snow and strong wind impact the region. Assess for the formation of slabs if you venture to steep, leeward terrain.
Aspects: North, North East, East, West, North West.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Mar 18th, 2021 4:00PM
