Lawinenlagebericht

Jasper

Dec 6 – 7, 2015Parks Canada
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Archiviert · abgelaufen 11 years ago

Lawinengefahr

Sun
Mon
Hochgebirge
2 · Mässig
Waldgrenze
2 · Mässig
Unterhalb
2 · Mässig
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Kernpunkte

Surface hoar layer not readily found on east treeline aspects on today's field trip.  Forecasters are still nervous about this elusive weakness so continued cautious decision making is advised.

Lawinenprobleme

  • Storm Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible - Likely
    Größe
    1–2
    25 cm of snow so far with a total of 40 cm expected by Tuesday night.  Mod to strong SW winds building slabs on top of a well developed surface hoar layer. Sheltered northerly aspects are likely areas where this surface hoar is most prevalent.

Weather Forecast

Continued snow as a series of storms roll over the area.  Expecting up to 40 cm accumulated by Tuesday night. Mod to strong SW winds with warm valley bottom temps cooling with elevation.

Snowpack Summary

25 cm new (and more on the way) over a well settled snowpack at treeline and below. In the alpine and TL, strong SW winds redistributing the new snow on the lee aspects. The distribution of the surface hoar that formed during last week's inversion is widespread but is most likely best preserved on sheltered north aspect slopes.

Avalanche Summary

No new activity observed.

Confidence

Intensity of incoming weather systems is uncertain on Sunday

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