Avalanche Forecast
Issued: Feb 25th, 2020 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.
deryl kelly,
Parks Canada
Very little change happening to the snowpack.
Continue to maintain a DEEP skepticism and PERSISTENT margin of safety when pushing into new or unfamiliar terrain.
Summary
Weather Forecast
A trough, developing over the eastern front ranges will draw moderate to strong westerly gap winds (20km/h, gusting to 45 km/h) over the Parkway on Wednesday. Alpine High temperature, -7.
Find the Alberta Rockies weather synopsis here: Mountain Weather Forecast
Snowpack Summary
Daily, trace amounts of new snow, spread irregularly over the region on old hard slab in the alpine. A thin sun/temperature crust on steep solar aspects at treeline and below. The southern forecast region has a supportive mid-pack. Less supportive and poor bridging over a pronounced basal weaknesses in the north; Whistlers/Portal and Maligne area
Avalanche Summary
No new avalanches were observed or reported. Used daily by Forecasters, The Mountain Information Network is your way to share your field trip observations and helps contribute to the daily avalanche bulletin.
Confidence
Problems
Wind Slabs
Wind slabs are widespread in the alpine on lee and cross-loaded features. Triggering has the potential to initiate the deep persistent slab
- Watch for pockets of hard windslab in steep alpine terrain features..
- Assess start zones carefully and use safe travel techniques.
Aspects: North, North East, East, South East.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Deep Persistent Slabs
Skier triggering could occur in shallow snowpack areas or from large loads such a cornice failure. The consequences of triggering would be severe!
- Avoid steep convexities or areas with a thin or variable snowpack.
- Be aware of the potential for full depth avalanches due to weak layers at the base of the snowpack.
Aspects: All aspects.
Elevations: All elevations.
Likelihood
Expected Size
Valid until: Feb 26th, 2020 4:00PM
