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Avalanche Forecast

Archived

Mar 23rd, 2019–Mar 24th, 2019

Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely, human triggered possible.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely, human triggered possible.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely, human triggered possible.

Regions

Jasper.

A weak melt freeze crust on nearly all aspects except for true north at TL and above. Dry snow will require some hunting for those still keen to ride.

Weather Forecast

Weather forecasts have been somewhat inconsistent in temperatures, cooling rate and precip. What is definitive is that we will see the cooling trend continue with increasing cloud cover for Sunday. Broken skies and freezing level to rise to 1900m.

Snowpack Summary

Wet surface snow (top 10cm) on all aspects below 1800m. Temperatures start to cool on Saturday evening and you can expect a weak melt freeze crust where snow was previously moist; this may break-down BTL over the day Sunday.  The snowpack has remained dry on shady aspects on higher elevations and may be best chance at good riding in the short term.

Avalanche Summary

No new activity observed by a field team in the Icefields. A rock slide, small in overall volume but larger individual rocks reported Saturday morning by plow crews in the Parkers area is a sign of the deeper defrosting happening in the region. Anything interesting this weekend? Share with the community on the CAA Mountain Information Network

Confidence

Intensity of incoming weather systems is uncertain

Problems

Loose Wet

Loose Wet avalanches are the release of wet unconsolidated snow or slush. These avalanches typically occur within layers of wet snow near the surface of the snowpack, but they may quickly gouge into lower snowpack layers. Like Loose Dry Avalanches, they start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-wet avalanches include point-release avalanches or sluffs. Loose Wet avalanches can trigger slab avalanches that break into deeper snow layers.

Wet Slabs

Wet Slab avalanches are the release of a cohesive layer of snow (a slab) that is generally moist or wet when the flow of liquid water weakens the bond between the slab and the surface below (snow or ground). They often occur during prolonged warming events and/or rain-on-snow events. Wet Slabs can be very unpredictable and destructive.