Lawinenlagebericht

North Rockies

Dec 20 – 21, 2021Avalanche Canada
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Archiviert · abgelaufen 5 years ago

Lawinengefahr

Wed
Thu
Hochgebirge
2 · Mässig
Waldgrenze
2 · Mässig
Unterhalb
1 · Gering

Kernpunkte

Continually assess the wind effect as you move through different aspects . Wind slab could still be found near ridge crests and exposed terrain.

Lawinenprobleme

  • Wind Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Unlikely
    Größe
    1–2

    Rider triggerable wind slab can still be found in specific areas.

Confidence

Moderate - Uncertainty is due to limitations in the field data.

Weather Forecast

Sunday night: Low of -21 at 1200m. Moderate Northwest winds with no new snow expected.

Monday: Moderate Northwest winds increasing to strong in the afternoon. High of -21 at 1200m. No new snow expected.

Tuesday: In the North of the forecast region snowfall amounts could reach up to 30cm with a high of -16 at 1200m. The South of the forecast region will likely only see 5cm and a high of -8 at 1200m. Winds over the region will start out as strong Northwest and become light West by the end of the day.

Wednesday: Some light flurries with a high of -16 at 1200m. Light East winds.

Avalanche Summary

No new avalanches were reported on Saturday. If you are out in the mountains please consider filling out a Mountain Information Network report.

Snowpack Summary

Winds have been variable over the last week. Wind slab could be found on all aspects in exposed terrain.

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Check out this post from the Mountain Information Network (MIN) by our North Rockies field team for a great summary of conditions at the Anzac on Friday.

Snowpack depth at treeline typically ranges from 50-250 cm, with the shallower value mainly on the eastern side of the range. The alpine snowpack typically ranges from 150-250 cm. 

Terrain and Travel

  • Be careful with wind loaded pockets, especially near ridge crests and roll-overs.
  • Recent wind has varied in direction so watch for wind slabs on all aspects.

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