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Avalanche Forecast

Archived

Dec 16th, 2017–Dec 17th, 2017

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

Regions

Glacier.

Conditions have changed! Be aware of fast sluffing and potential for any wind to create windslab.

Weather Forecast

Today will be a break in the weather between storm fronts. Expect a mix of sun and cloud with isolated flurries that won't produce significant snowfall. Freezing levels will remain low(400m) giving an alpine high of -11deg. Wind will be from the Southwest 15-25kph. Incoming storms Sunday night and Tuesday could produce 15-25cms of new snow.

Snowpack Summary

10cm of new snow fell in the last 24 hrs burying the Dec15th interface. This layer is the one to watch develop. It is widespread surface hoar found at all elevations and is LARGE (30-40mm) in sheltered areas at treeline. The new snow also buries crusts on S & W aspects and windslab in the alpine. So far the Nov crusts (down 60-90cm)are bonding well

Avalanche Summary

No new avalanches observed.

Confidence

Forecast snowfall amounts are uncertain

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.