Lawinenlagebericht

Jasper

Apr 4 – 5, 2015Parks Canada
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Archiviert · abgelaufen 11 years ago

Lawinengefahr

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

10 cm of snow overnight with light East winds will improved ski quality.  Enjoy winter while we still have it!

Lawinenprobleme

  • Wind Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible
    Größe
    1–2
    Pockets of wind pressed snow and  windslabs can be found on lee aspects and cross loaded features at treeline and above.

  • Deep Persistent Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Unlikely - Possible
    Größe
    2–3
    Large cornices or surface avalanches are the likely trigger for this deep persistent weak layer.

Weather Forecast

The expected storm has been delayed.  10 cm of snow is expected overnight on Saturday and then another 10 cm on Sunday with light East winds.  Temperatures will remain cool.  Flurries on Monday with an additional 5 cm possible.  A clear warm trend begins on Tuesday.

Snowpack Summary

Pockets of wind pressed and soft wind slabs near ridgelines on Northerly aspects at alpine and treeline elevations. Suncrust on solar aspects.  5-10 cm over a supportive temperature crust can be found on all aspects tree line and above to 2500m. The weak basal facet layer is bridged by a strong mid-pack in most areas at treeline and above.

Avalanche Summary

Patrols up Maligne and to the Icefields yielded no new avalanche observations.

Confidence

Timing, track, or intensity of incoming weather system is uncertain on Sunday

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