Boletín de aludes

Sea To Sky

Mar 20 – 21, 2023Avalanche Canada
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Archivado · caducó 4 years ago

Peligro de aludes

Wed
Thu
Alta montaña
1 · Débil
Límite del bosque
1 · Débil
Bajo el límite
1 · Débil

Lo esencial

The upper snowpack continues to adjust to the recent spring-like weather. Watch for surface snow turning wet and be wary of cornices.

Problemas de aludes

  • Loose Wet

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

    Expect small loose wet avalanches to be reactive on steep, solar aspects with sun and warm temperatures on Tuesday, especially in areas that receive more then just a few centimeters of new snow Monday.

Confidence

High

Avalanche Summary

Over the weekend several wet-loose avalanches to size 2 were reported, generally occurring on steep, solar aspects.

A few natural, cornice failures were also reported in the region.

Snowpack Summary

A melt-freeze crust formed on Sunday could be buried by 2 to 5 cm of new snow by Tuesday morning. The crust is widespread below roughly 2000 m and present on solar aspects above.

Up to 20 cm of dry, unconsolidated snow remains in sheltered, northerly-facing terrain above 2000 m.

In general, the mid and lower snowpack is well-settled and strong.

Weather Summary

Monday night

Cloudy with isolated flurries, trace amount. Treeline temperatures around 0 C. Light easterly ridgetop winds. Freezing level 1000 m.

Tuesday

Mostly sunny. Treeline temperatures around 0 C. Light northeast ridgetop winds. Freezing levels 2000 m.

Wednesday

Sunny. Treeline temperatures around 0 C. Very light ridgetop winds. Freezing levels 1800 m.

Thursday

Mostly cloudy with isolated flurries, up to 10 cm. Treeline temperatures 0 to -5 C. Light ridgetop winds. Freezing levels 1400 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be alert to conditions that change with elevation and sun exposure.
  • Remember that in the spring strong solar radiation and warm temperatures can weaken the snow in a matter of minutes.
  • Pay attention to cornices and give them a wide berth when traveling on or below ridges.

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