Boletín de aludes

South Rockies

Apr 7 – 8, 2019Avalanche Canada
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Archivado · caducó 7 years ago

Peligro de aludes

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

A trace of snow may be possible Sunday night into Monday, but that is expected to have little impact on avalanche hazard. Continue to minimize exposure to steep slopes as temperatures warm through the day, especially in areas with fresh snow.

Problemas de aludes

  • Loose Wet

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–1.5
    The likelihood of loose avalanches increases as temperatures warm through the day and/or if the sun comes out for a prolonged period of time. Loose wet avalanches are more likely in areas with fresh snow.

Confidence

Moderate - Timing, track, or intensity of incoming weather system is uncertain on Wednesday

Weather Forecast

The weather models continue to have a tough time with the current pattern but it doesn't look like much snow is going to make it to the South Rockies until possibly Tuesday. Still, take the wind and precipitation values with a grain of salt.SUNDAY NIGHT: Freezing level around 1500 m, moderate to strong wind out of the west, trace of snow possible at upper elevations.MONDAY: Scattered clouds in the morning building to overcast in the afternoon, freezing level around 2000 m, light variable wind, trace of snow possible at upper elevations.TUESDAY: Broken cloud cover, freezing level around 2000 m, light north/northeast wind, 2 to 4 cm of snow possible at upper elevations, an additional 5 to 10 cm of snow possible Tuesday night.WEDNESDAY: Overcast, freezing level around 1800 m, light southwest wind, 4 to 10 cm of snow possible at upper elevations.

Avalanche Summary

No significant avalanche activity to report from the last few days.

Snowpack Summary

Wet flurries and rain have sprinkled a spring snowpack and it looks like that trend will continue into Monday, but there is still some reasonably good riding to be found. During the heat of the day, especially under direct sun, the snow surface becomes moist or wet almost everywhere. The exception being high elevation north facing features. With spring conditions, the avalanche hazard will fluctuate greatly depending on the strength of the overnight re-freeze and how quickly the snowpack is warmed up.Steep, north facing, alpine terrain may still hold a cold, dry and wind affected snowpack where a well settled slab rests on weak facets (sugary snow). Although unlikely, human triggering of persistent slabs on this layer may still be possible, especially in rocky alpine terrain with a shallow or highly variable depth snowpack.Below treeline the snowpack is becoming isothermal.

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