Lawinenlagebericht

Jasper

Dec 8 – 9, 2012Parks Canada
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Archiviert · abgelaufen 14 years ago

Lawinengefahr

Sat
Sun
Hochgebirge
2 · Mässig
Waldgrenze
2 · Mässig
Unterhalb
1 · Gering
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Kernpunkte

Ski quality is good especially at sheltered locations, but remember that early season variability suggests the need for careful evaluation of large terrain features.

Lawinenprobleme

  • Wind Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Unlikely - Possible
    Größe
    1–3
    Variable and winds created this slab condition on lee aspects particularly at ridge tops.

  • Persistent Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Unlikely - Possible
    Größe
    2–3
    A persistent facetted weakness can be found around a mid-pack crust.

  • Deep Persistent Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Unlikely - Possible
    Größe
    1–3
    This layer seems to be developing in relatively shallow snowpack areas do to a classic Rockies temperature gradient process. 

Weather Forecast

Cooler temps are forecast for the weekend with a chance of light flurries. A significant warming trend should start to set in early next week.

Snowpack Summary

Light and variable winds have had little influence on recent storm snow. The skiing is good but snow depths on lee features is now well above minimum thresholds values and several large slides have been observed in the past week. These avalanches have occurred on serious terrain but serve as a reminder to consider consequences before jumping in.

Avalanche Summary

No new natural avalanches were observed today. Explosive work along Parker slabs with produced one size 2.5 slab avalanche from a wind loaded location on rock slab on Thursday. 

Confidence

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