Boletín de aludes

Jasper

Dec 4 – 5, 2012Parks Canada
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Archivado · caducó 14 years ago

Peligro de aludes

Tue
Wed
Alta montaña
3 · Notable
Límite del bosque
3 · Notable
Bajo el límite
1 · Débil
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Lo esencial

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely - Possible
    Tamaño
    1–3
    A size 2 avalanche was observed on the Parker ridge slidepaths. Pay particular attention to steep unsupported wind loaded slopes in the alpine.

  • Persistent Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely - Possible
    Tamaño
    2–3
    A persistent facetted weakness can be found around a mid-pack crust.� An isolated size 3 avalanche on a steep Northerly large open slope in the Hilda Creek area likely ran on this layer.

Weather Forecast

The forecast calls for some significant snowfall in the Icefields area accompanied by moderate Southwest winds. This will start sometime in the early morning and is expected to continue for the following 24 hours. Wednesday is expected to continue with overcast skies and light snowfalls with a possible clearing trend by Thursday.

Snowpack Summary

Hard test results were found in the alpine underneath a windslab and both above and below the midpack crust in the Bald hills area near Maligne lake. Treeline has experienced some moderate wind transport although previous windslabs have bonded well.

Avalanche Summary

A size 3 slab was observed in the hilda creek area. It originated from sloughing in a gully feature and expanded into a slab on a large open slope at 2400m that is the runout for the gully.� The slab likely propogated on the November 01 raincrust.

Confidence

Timing, track, or intensity of incoming weather system is uncertain on Tuesday

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