Boletín de aludes

Long Range Mountains

Feb 23 – 24, 2024Avalanche Canada
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Archivado · caducó 3 years ago

Peligro de aludes

Sun
Mon
Alta montaña
3 · Notable
Límite del bosque
3 · Notable
Bajo el límite
Sin grado
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Lo esencial

Avoid steep slopes during periods of heavy rain.

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Unlikely - Possible
    Tamaño
    1.5–2.5

    Old wind slabs may temporarily become weak during the periods of heavy rain.

  • Loose Wet

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Likely
    Tamaño
    1–2

    Rain will weaken the surface and increase the likelihood of both natural and human-triggered loose avalanches in steep terrain.

Confidence

High

Avalanche Summary

Several wind slab avalanches have been observed on alpine features over the past few days (up to size 2). However, the main concern on Saturday will be wet loose avalanches caused by the rain.

Snowpack Summary

The top 30 to 40 cm of soft dry snow will become rain-soaked on Saturday.

This soft snow sits atop a widespread crust layer. The snow is generally strong and bonded beneath this crust.

Snow depths in wind-sheltered areas average about 100 cm.

Weather Summary

Friday Night

Cloudy. 20 km/h southwest wind. Mountain temperatures around -5 °C.

Saturday

Cloudy with heavy rain, up to 50 mm in the south and 30 mm in the north. 60 km/h south wind. Freezing level climbing to 1200 m with mountain temperatures around +2 °C.

Sunday

Flurries with up to 5 cm of snow overnight then partly clearing skies throughout the day. 40 km/h west wind. Mountain temperatures cooling to -8 °C.

Monday

Mostly sunny. 20 km/h southwest wind. Mountain temperatures around -5 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Minimize exposure during periods of heavy loading from rain.
  • The first few hours of rain will likely be the most dangerous period.
  • Be careful with wind slabs, especially in steep, unsupported and/or convex terrain features.

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