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Avalanche Forecast

Archived

Mar 8th, 2019–Mar 9th, 2019

Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
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.

The change to warmer, more dynamic weather is welcome, and has added little to hazard.  However, do keep an eye on solar warming on steep, sunny slopes; forecasts disagree how much punch the sun will pack.

Weather Forecast

Welcome relief, with relatively mild daytime highs and reasonable lows. Saturday: A mix of sun and cloud. Treeline Low -15, Hi -10. Light NW breeze.  Sunday: Similar, except mainly sunny, with a strong temperature inversion in the AM. Early next week, heavy snowfall and rising winds possible.Mountain weather forecast available at Avalanche Canada.

Snowpack Summary

2-5cm new snow Thursday night, with Moderate SW winds, has generally had little affect on the snowpack.  Isolated small windslabs could, however, exist in Maligne area.  The upper snowpack remains faceted; sluffing in steep terrain may be possible with ski traffic or strong sun. A strong midpack overlies the (dormant) basal weakness.

Avalanche Summary

No new avalanches observed during a 93N road patrol, and forecasting day in the Hilda ridge area.  No new avalanches reported.

Confidence

Timing or intensity of solar radiation is uncertain on Saturday

Problems

Loose Dry

Loose Dry avalanches are the release of dry unconsolidated snow and typically occur within layers of soft snow near the surface of the snowpack. These avalanches start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-dry avalanches include point-release avalanches or sluffs.