Boletín de aludes

Purcells

Dec 16 – 17, 2019Avalanche Canada
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Archivado · caducó 7 years ago

Peligro de aludes

Wed
Thu
Alta montaña
2 · Moderado
Límite del bosque
2 · Moderado
Bajo el límite
1 · Débil

Lo esencial

Although the likelihood of triggering has reduced, weak layers near the base of the snowpack remain a concern in steep rocky terrain.

Confidence

Moderate - Uncertainty is due to extremely variable snowpack conditions reported through the region.

Weather Forecast

SUNDAY NIGHT: Cloudy with clear periods, light to moderate northwest wind, alpine high temperature -10 C.

MONDAY: Isolated flurries, moderate west wind, alpine high temperature -9 C.

TUESDAY: Isolated flurries, moderate southwest wind, alpine high temperature -6 C.

WEDNESDAY: Mainly cloudy, moderate southwest wind, alpine high temperature -8 C.

Avalanche Summary

On Saturday there were reports loose dry avalanches to size 1.5 primarily on north aspects in the alpine. 

Snowpack Summary

So far this season's snowpack has a high degree of variability. Anywhere from 10 to 35 cm of snow may sit on a weak layer of surface hoar in sheltered areas at treeline. A second layer of surface hoar primarily found in the in north of the region is found 40-60 cm below the surface in sheltered areas at treeline.

There are a variety of crusts buried in the mid to lower snowpack. These crusts have mostly broken down. The base of the snowpack generally consists of facets and depth hoar.

Regiones cubiertas