Boletín de aludes

Northwest Inland

Dec 15 – 16, 2015Avalanche Canada
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Archivado · caducó 11 years ago

Peligro de aludes

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

Lo esencial

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Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–2
    New snow and wind on Monday night has likely formed new wind slabs in the alpine and at treeline. Watch for conditions that change with elevation, and use increased caution in gullies and around ridgecrests.

Confidence

Low - Due to the number of field observations

Weather Forecast

Mainly clear skies are forecast for Wednesday and Thursday morning. Increased cloud is expected throughout the day on Thursday with up to 5cm of new snow falling between Thursday afternoon and Friday morning. Ridgetop winds should be light to moderate from the north on Wednesday, switching to strong and southwesterly with Thursday's snowfall. Freezing levels should hover around valley bottom for the forecast period. For a more detailed weather overview, check-out our Mountain Weather Forecast at: avalanche.ca/weather

Avalanche Summary

No recent avalanches have been reported from the region. This may speak more to a lack of observations rather than actual conditions. I would expect newly formed wind slabs to be sensitive to human triggering for the next few days in high elevation lee terrain.

Snowpack Summary

Remote weather stations indicate 5-12cm of new snow fell on Monday night. These new accumulations were likely redistributed by strong winds into new wind slabs at treeline and in the alpine. The few reports we've received suggest the height of snow at treeline is approximately 100cm. According to these reports, the mid-snowpack is mainly comprised of older settled storm snow, while weak facets exist at or near the ground.

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