Lawinenlagebericht

Cariboos

Dec 13 – 14, 2012Avalanche Canada
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Archiviert · abgelaufen 14 years ago

Lawinengefahr

Sat
Sun
Hochgebirge
3 · Erheblich
Waldgrenze
3 · Erheblich
Unterhalb
1 · Gering
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Kernpunkte

Lawinenprobleme

  • Wind Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible - Likely
    Größe
    1–5
    Expect buried windslabs in sheltered area and newly formed windslabs in exposed lee slopes and cross-loaded gullies below ridge crests.

  • Deep Persistent Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Unlikely - Possible
    Größe
    3–7
    Be extra careful in areas where ground roughness is not present to act as anchorage. Smooth ground cover areas include firn on glaciers, grassy slopes and rock slabs.

Confidence

Fair - Due to limited field observations

Weather Forecast

Light accumulations are expected till tomorrow morning with South West and North West moderate winds. The Western part of the region will see most of these precipitations. Sunny periods are still expected for Friday with seasonal temperatures throughout the period (-8 C) and light winds from the North West.  The upper trough arriving on Saturday should bring light to moderate precipitations on the regions, again, with Westerly upslope seeing most of it. Winds should also pick up to reach moderate to strong speeds from the South West. Another system is following for Sunday, its timing and intensity remains to see.

Avalanche Summary

No new avalanches were reported for this region. Due to our limited observations for this region at this time, your avalanche observations are welcome at [email protected]

Snowpack Summary

Windslabs should grow slightly tonight in specific areas (Easterly aspects) in the alpine and at treeline with the forecasted light precipitations, moderate winds and the older snow available for transport.  The new snow is also burying some older slightly deeper windslabs in sheltered areas. Overall, the top and mid-snowpack is reported to be settling well. The deep persistent instabilities (surface hoar and early November crust) located in the middle and near the bottom of the snowpack are still a concern in this region, however, it is important to know that we have very limited observations for this region at this time.  Digging down and making your own observations will be critical to safe slope selection. Any observations from the field are welcome at [email protected]. 

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