Lawinenlagebericht

Jasper

Dec 16 – 17, 2013Parks Canada
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Archiviert · abgelaufen 13 years ago

Lawinengefahr

Mon
Tue
Hochgebirge
3 · Erheblich
Waldgrenze
2 · Mässig
Unterhalb
1 · Gering
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Kernpunkte

Early season hazards exist just under the surface. Winds have gusted into 90km/hr range.

Lawinenprobleme

  • Wind Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Unlikely - Possible
    Größe
    1–2
    Winds have been strong adding to this condition. Expect unusual locations for wind-slab development.

  • Persistent Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Unlikely - Possible
    Größe
    2–3
    Initiating upper wind-slab layer has potential to step down deeper to this basal layer.

Weather Forecast

Winds will continue to gust strong until Tuesday evening. Snowfall will range from 5-15cm in next few days and temperatures will cool later in week.

Snowpack Summary

Variable wind slab on lee features at treeline and alpine. Alpine is a mosaic of scoured ground and wind-loaded gully features on lee aspects. Strong gusting winds are constantly changing directions. Expect windslab development in unusual locations. Oct 27 Raincrust exists near bottom of snowpack with Facets above and below.

Avalanche Summary

Size 2.5 off Mt. Tangle observed Sunday afternoon on NE aspect in a steep alpine gully at ridgetop.

Confidence

Wind effect is extremely variable

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