Lawinenlagebericht

Northwest Inland

Dec 6 – 7, 2011Avalanche Canada
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Lawinengefahr

Thu
Fri
Hochgebirge
2 · Mässig
Waldgrenze
1 · Gering
Unterhalb
1 · Gering
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Lawinenprobleme

  • Wind Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Unlikely - Possible
    Größe
    2–4
    Expect to find isolated pockets of hard wind slabs below ridgecrests, behind terrain features, and in cross-loaded gullies.

Confidence

Fair - Due to limited field observationsfor the entire period

Weather Forecast

A mix of sun and cloud for Wednesday and Thursday with increasing cloud on Friday, but no significant precipitation is expected for the forecast period. Valley bottom freezing levels rising as high as 1000m for Thursday but back down to 600m for Friday. Moderate northwesterly winds shifting to westerlies Thursday evening.

Avalanche Summary

No recent avalanche activity has been reported. Isolated wind slabs may be susceptible to human triggering.

Snowpack Summary

Expect to find scoured areas, sastrugi, and hard or stiff wind slabs in exposed terrain. Recent warm temperatures and sun-exposure likely resulted in a surface crust, especially on southerly aspects. Surface hoar is probably growing on sheltered shady slopes. The mid and lower snowpack are generally quite strong.

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