Lawinenlagebericht

Vancouver Island

Feb 13 – 14, 2023Avalanche Canada
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Archiviert · abgelaufen 4 years ago

Lawinengefahr

Wed
Thu
Hochgebirge
3 · Erheblich
Waldgrenze
3 · Erheblich
Unterhalb
2 · Mässig

Kernpunkte

Keep an eye on conditions that change with elevation and wind exposure. Reactive wind slabs likely exist in wind exposed terrain at treeline and above.

Lawinenprobleme

  • Storm Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible - Likely
    Größe
    1–2

    New snow with southwest wind will form reactive storm and wind slabs over Sunday night and Monday morning. The largest and most reactive slabs will be found on north and east aspects. These slabs may be more reactive than usual where they have formed over a crust.

Confidence

Moderate

Avalanche Summary

On Friday explosives and ski cutting produced wind slab avalanches up to size 1.5. These avalanches were on northerly aspects at treeline.

Snowpack Summary

warm temperatures and rain on Sunday created moist surfaces at treeline and below. As freezing levels fall a new crust will form above 1400m. New snow and wind will likely form slabs above this crust.

The mid and lower snowpack contains multiple crusts but is generally well settled.

Weather Summary

Sunday Night

Mostly cloudy with up to 15cm of new snow expected. Moderate southwest winds and a low of -3 at 1500m.

Monday

A mix of sun and cloud with flurries bringing around 5cm of new snow. Moderate to strong westerly winds and temperatures at 1500m falling to -6.

Tuesday

A mix of sun and cloud with no new snow expected. Light to moderate northwest winds and a high of -7 at 1500m.

Wednesday

Mostly cloudy with light flurries bringing a few centimeters of new snow. Light to moderate southwest winds and a high of -4 at 1500m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Continue to make conservative terrain choices while the storm snow settles and stabilizes.
  • Be careful to keep storm day fever from luring you out into bigger terrain features.
  • Watch for newly formed and reactive wind slabs as you transition into wind affected terrain.

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