Avalanche Forecast
Purcells
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Avalanche Problem 1: Loose Wet
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
Travel and Terrain Advice
- Use caution above ledges and cliffs where small avalanches may have severe consequences.
- Minimize exposure to steep, sun exposed slopes when the solar radiation is strong.
Avalanche Summary
On the whole, there has been little recent avalanche activity reported, but a natural avalanche cycle is expected on steep sunny slopes. A previous wind slab cycle has slowed down over the last few days.
Snowpack Summary
Warm temperatures up high will melt and weaken upper snowpack layers, particularly on steep sunny slopes. Warming also has the potential to wake up more deeply buried crust layers.
Recently formed wind slabs are gaining strength, but may still be found in the lee of ridges and terrain breaks.
Below tree line, the snowpack is shallow--look out for early season hazards like open creeks and tree stumps.
Weather Forecast
We'll see little change in the weather pattern: valley cloud and cool temperatures down low but sunny and warm up high.
SATURDAY: Sunny and warm above the valley cloud. Light wind. Freezing level near 2000 m with a colder air layer in the valleys. Alpine high temperatures near +3.
SUNDAY: Cloudy with sunny breaks. Light to moderate south-west winds. Freezing level near 2500 m.
MONDAY: Sunny and warm above valley cloud. Light wind. Freezing level near 3000 m with a colder air layer in the valleys.
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Loose wet avalanches are likely in steep, rocky, sunny terrain. Warming could also wake up more deeply buried weak layers.