Lawinenlagebericht

Jasper

Nov 19 – 20, 2017Parks Canada
Auf der Karte ansehen
Archiviert · abgelaufen 9 years ago

Lawinengefahr

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

Monitor Sunday's storm for snow amounts increasing the hazard through the day. Plan your travels accordingly.

Lawinenprobleme

  • Wind Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible
    Größe
    1–2
    Reactive wind slab, 20-30cm deep predominately on exposed alpine and treeline features. Human triggering possible.

  • Storm Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible - Likely
    Größe
    1–3
    Hazard will increase during the day on Sunday as loading of storm snow arrives. Exact snow amounts are uncertain.

Weather Forecast

20-40cm of storm snow will arrive Sunday afternoon into Monday morning with strong SW winds and -6 to -11. The storm will clear Monday followed by another 20cm storm on Tuesday night. 

Snowpack Summary

Strong SW winds is affecting exposed slopes and ridge tops in the alpine the last 24 hours creating windslabs. Generally a strong, and supportive early winter snowpack exists with depths ranging from 30 to 100+ cm depending on aspect and exposure to wind. The snowpack will change with incoming storm Sunday.

Avalanche Summary

No new natural activity reported from a field team on Saturday. Climbers should still remain vigilant as even triggering a small avalanche in a gully feature or above cliffs can have severe consequences. Expect increased likelihood of avalanches with incoming storm on Sunday.

Confidence

Intensity of incoming weather systems is uncertain on Sunday

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