Boletín de aludes

Jasper

Nov 24 – 25, 2019Parks Canada
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Archivado · caducó 7 years ago

Peligro de aludes

Mon
Tue
Alta montaña
2 · Moderado
Límite del bosque
2 · Moderado
Bajo el límite
Sin grado

Lo esencial

Forecast snow amounts are uncertain Saturday night into Sunday. If it exceeds expectations, expect the hazard to increase with the incoming wind and snow.

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely - Possible
    Tamaño
    1–2

    Ongoing strong SW winds will redistributed any new snow into windslabs in the high alpine lee features. Monitor how Saturday nights snow input develops this condition.

  • Loose Dry

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–1.5

    Saturday nights snow amounts are uncertain yet if it exceeds expectations, a dry loose condition could occur. Particularly in steep terrain.

Weather Forecast

Saturday night will bring -6 °C., 12cm of snow, West winds 25 km/h gusting to 70 km/h. Sunday will be cloudy with sunny periods and isolated flurries, -7 °C., and West winds 20 km/h gusting to 70 km/h. Monday - Tuesday will be clear skies and cold.

For more details: Avalanche Canada's, Mountain Weather Forecast.

Snowpack Summary

Variable surfaces including crusts, hard wind press and loose snow sit above the Nov. rain crust which goes as high as 2200m. Total snow pack height in alpine is around 45-85 cm. A variety of surfaces in the alpine from wind pressed/scoured features to wind slabs in lee features in the alpine. Sheltered locations have formed Surface hoar.

Avalanche Summary

Hazard can be expected to increase in isolated areas where wind effect and loading is visible. No natural activity observed or reported in the forecast region. A system pushing in will likely elevate the avalanche activity and hazard.

Confidence

Forecast snowfall amounts are uncertain on Sunday

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