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Avalanche Forecast

Archived

Nov 19th, 2012–Nov 20th, 2012

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

Regions

Little Yoho.

New snow with the storm has only amounted to 5-15cm. We can expect as much as 30 cm in lee pockets with the end of the storm that will be easily triggered and may step down to the Nov 6 crust. JBW

Weather Forecast

Storm continues through tonite. It looks like only 10-20cm total now.

Snowpack Summary

10cm Hst over windslabs or settled snow. Nov 6th crust down 25-50 in most locations. Bottom of pack has another crust and is beginning to facet.

Avalanche Summary

No new avalanches observed in the past couple of days.

Confidence

Intensity of incoming weather systems is uncertain on Tuesday

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.