Boletín de aludes

Jasper

Mar 22 – 23, 2019Parks Canada
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Archivado · caducó 8 years ago

Peligro de aludes

Sun
Mon
Alta montaña
2 · Moderado
Límite del bosque
2 · Moderado
Bajo el límite
3 · Notable
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Lo esencial

As the temperature drops so will the avalanche danger, but be aware if the sun comes out and the snow starts to become moist.

Problemas de aludes

  • Loose Wet

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible - Likely
    Tamaño
    1–2.5
    Be cautious of overhead hazard on solar aspects when the sun comes out.

  • Wet Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1.5–2.5
    Cooling on Saturday should reduce the likelihood of wet slab avalanches but they remain possible, especially if the sun comes out.

Weather Forecast

Forecasts show the start of a cooling trend into next week as the ridge of high pressure moves east. On Saturday at the Columbia Icefields Area; alpine highs of +2C, increasing clouds, freezing levels at 2500m with light ridge winds. Continued cooling and increasing cloud cover for Sunday and some light precipitation is in the forecast on Monday.

Snowpack Summary

As of Friday afternoon there is wet surface snow on solar aspects at treeline and alpine, unsupportive slush below treeline. As the temperatures start to cool on Saturday expect a melt freeze crust where surface snow was previously moist. The snowpack remains dry on shady aspects at upper elevations.

Avalanche Summary

Many solar aspects at TL and below have slid and continue to slide around the forecast region with high freezing levels on Friday afternoon. Nearly no activity has been observed on Northern aspects, especially in the Alpine.

Confidence

Timing or intensity of solar radiation is uncertain

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