Lawinenlagebericht

Kananaskis

Mar 12 – 13, 2014Alberta Parks
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Archiviert · abgelaufen 13 years ago

Lawinengefahr

Fri
Sat
Hochgebirge
3 · Erheblich
Waldgrenze
3 · Erheblich
Unterhalb
3 · Erheblich
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Kernpunkte

Conditions are improving but still touchy!  Watch for decreasing stability on Solar aspects later in the day when the sun comes out!

Lawinenprobleme

  • Wind Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Unlikely - Possible
    Größe
    1–3
    Wind slabs are widespread on lee aspects in alpine and treeline terrain. Field teams at Aster are reporting a moderate sheers down 30cm at a old storm interface.

  • Persistent Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible
    Größe
    2–5
    This persistent weak layer is buried 70 to 100 cm in Alpine and Treeline areas and is sensitive to human triggering.  Be wary on large planar slopes.

  • Loose Wet

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible - Likely
    Größe
    1–2
    Watch for decreases in stability on solar aspects later in the day.

Confidence

Fair - Timing or intensity of solar radiation is uncertain on Thursday

Weather Forecast

Freezing levels are forecast to drop to valley bottom tomorrow but the sun will still be rather intense.  Watch for decreases in stability on solar aspects later in the day.

Avalanche Summary

A few loose wet slides were observed on solar aspects in the PM and a few new isolated slabs on steep polar aspects in the Alpine up to sz 2.

Snowpack Summary

The snowpack is settling under the influence of the warmer temperatures.  A moderate sheer persists under the recent windslabs down 30-40cm and the 0211 interface is down 70-100cm and producing hard sheers but these sheers are sudden planar in nature.

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