Avalanche Forecast
Issued: Dec 19th, 2021 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs and Deep Persistent Slabs.
Tereza Turecka,
Avalanche hazard is decreasing, however, recent winds made looking for good skiing a little more difficult.
Summary
Weather Forecast
Monday: Sunny with cloudy periods. Precipitation: Nil. Alpine temperature: High -14 °C. Ridge wind west: 10-20 km/h.Tuesday: A mix of sun and cloud. Precipitation: Nil. Alpine temperature: Low -18 °C, High -13 °C. Ridge wind west: 20 km/h. Freezing level at valley bottom.
Snowpack Summary
Moderate SW winds and small amounts of new snow has formed sensitive wind slabs in alpine and treeline areas. Mid and lower snowpack are mostly well consolidated base on recent observations.
Avalanche Summary
Avalanche control with use of explosives produced no significant results other than 2 small thin wind slabs. 1 larger natural wind slab was observed right below ridge crest in steep alpine feature on NE aspect.
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Confidence
The weather pattern is stable
Problems
Wind Slabs
Recent avalanche control with minimal results, together with next to no natural activity proved this problem quite stubborn.
- Watch for stiffer feeling snow. Avoid areas that appear wind loaded.
Aspects: North, North East, East, South East, North West.
Elevations: Alpine.
Likelihood
Expected Size
Deep Persistent Slabs
Triggering this layer would be a high consequence event - cautious decisions and thorough investigation is necessary. More likely to trigger this layer in transitions from thin snowpack to deeper loaded pockets or terrain features.
- Use caution in thin snowpack areas.
- Use caution on open slopes and convex rolls
Aspects: All aspects.
Elevations: Alpine.
Likelihood
Expected Size
Valid until: Dec 20th, 2021 4:00PM
