Lawinenlagebericht

Northwest Coastal

Feb 4 – 5, 2014Avalanche Canada
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Archiviert · abgelaufen 13 years ago

Lawinengefahr

Thu
Fri
Hochgebirge
1 · Gering
Waldgrenze
1 · Gering
Unterhalb
1 · Gering
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Kernpunkte

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Lawinenprobleme

  • Wind Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Unlikely - Possible
    Größe
    1–2
    Thin wind slabs may still exist in isolated leeward features on a variety of aspects in wind exposed terrain.  These are generally becoming stubborn to trigger but may still possible in isolated areas.

Confidence

Fair

Weather Forecast

A ridge of high pressure dominates the conditions on the N. Coast for the forecast period. Clear and cold conditions will persist.Wednesday: Clear, dry, treeline temperatures around -10C in the south and -20C in the north of the region, mountaintop winds up to 40km/hr NE decreasing during the day.Thursday/Friday: Clear, dry, treeline temperatures around -12C in the south and -20C in the north of the region, mountaintop winds generally light SE-SW

Avalanche Summary

No recent avalanches reported.

Snowpack Summary

Thin windslabs may still exist in isolated leeward features on a variety of aspects at treeline and in the alpine while wind-exposed features have become heavily scoured.  Recent cold temperatures and clear skies are causing faceting of the upper snowpack which should be causing the remaining wind slabs to break-down.  In more sheltered areas, several centimetres of dry snow may overlie a melt-freeze crust, surface hoar, facets, or a combination of the above.  The mid and lower snowpack are generally well consolidated and there are currently no layers of concern. However, weak basal facets may still be a concern in isolated areas, especially thin snowpack areas at higher elevations.

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