Bollettino valanghe

South Rockies

Feb 21 – 22, 2025Avalanche Canada
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Archiviato · scaduto 2 years ago

Pericolo valanghe

Sun
Mon
Alta quota
2 · Moderato
Limite del bosco
2 · Moderato
Sotto il limite
2 · Moderato

In sintesi

Watch for persistent slabs to become reactive as the temperature continues to rise over the next few days.

Problemi valanghivi

  • Persistent Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Possible
    Dimensione
    1.5–2.5

    A weak layer surface hoar and/or facets is buried 40 to 60 cm and may become more reactive as the temperature rises in the coming days.

  • Loose Dry

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Possible - Likely
    Dimensione
    1–1.5

    Loose dry avalanches will be likely in steep terrain where new snow hasn't formed a slab.

Confidence

Moderate

Avalanche Summary

On Tuesday there were reports of large (size 2) dry loose avalanches running in steep terrain. These were stepping down to a weak layer of facets buried in late January. Expect this layer of facets to become more reactive as the temperature gradually warms and snow above becomes more cohesive.

Snowpack Summary

Around 25 cm of new snow sits on 20 to 40 cm of mostly faceted snow. This all sits on a weak layer of surface hoar or facets buried in late January now buried 40 to 60 cm.

The mid and lower snowpack is generally well settled.

Weather Summary

Thursday Night

Cloudy. 20 to 35 km/h west ridgetop wind. Treeline temperature -7 °C.

Friday

Cloudy. 20 to 50 km/h southwest ridgetop wind. Treeline temperature -4 °C.

Saturday

Mostly cloudy with 5 to 10 cm of snow. 30 to 50 km/h southwest ridgetop wind. Treeline temperature -1 °C.

Sunday

Mostly cloudy with 10 to 20 cm of snow. 30 to 70 km/h southwest ridgetop wind. Treeline temperature 0 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Use caution above cliffs and terrain traps where even small avalanches may have severe consequences.
  • Loose avalanches may step down to deeper layers, resulting in larger avalanches.
  • Be careful as you transition into wind-affected terrain.

Regioni coperte