Bulletin d’avalanche

South Coast

Mar 22 – 23, 2017Avalanche Canada
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Archivé · expiré 10 years ago

Danger d’avalanche

Fri
Sat
Alpin
4 · Fort
Limite forestière
3 · Marqué
Sous la limite
2 · Modéré
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Points saillants

Uncertainty exists with the freezing level in the coming days. Expect to see rain to mountain top except in the highest reaches of the region.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible - Likely
    Taille
    1–3

  • Loose Wet

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible - Likely
    Taille
    1–2
    With rain to 1400m expected for Wednesday expect to see small loose wet avalanches at upper elevations. The expected size of avalanches will increase with elevation; the largest size range being higher in the alpine elevation band.

Confidence

Moderate - Intensity of incoming weather systems is uncertain on Friday

Weather Forecast

THURSDAY: Flurries or rain showers, accumulation 5-10cm / Moderate to strong south wind / Alpine temperature 0 / Freezing level 1200mFRIDAY: Snow and rain, accumulation 20-30cm / Moderate to strong southwest wind / Alpine temperature -1 / Freezing level 1100mSATURDAY: Flurries, accumulation 5cm / Moderate to strong southwest wind / Alpine temperature -4 / Freezing level 1000m

Avalanche Summary

No recent avalanches have been reported in the region. Expect thin loose wet avalanches in the alpine and tree line elevation bands in the coming days. In the highest alpine areas where the latest precipitation may have fallen as snow expect to see reactive storm and wind slabs.

Snowpack Summary

On Wednesday there was heavy rain up to approximately 1400m. The rain has fallen on already moist or wet snow sitting above a strong and well settled snowpack. In the highest elevation terrain expect storm and or wind slabs to be sitting above a a strong rain crust.

Régions couvertes