Lawinenlagebericht

Sea To Sky

Jan 9, 2017Avalanche Canada
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Archiviert · abgelaufen 10 years ago

Lawinengefahr

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

The incoming storm will form new wind slabs and increase the avalanche danger at higher elevations.

Lawinenprobleme

  • Storm Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Unlikely - Possible
    Größe
    1–2
    Carefully assess the new storm snow depths, especially in areas where wind transport could significantly increase amounts.

Confidence

Moderate - Intensity of incoming weather systems is uncertain on Monday

Weather Forecast

SUNDAY: Flurries starting in the evening, moderate southeast winds. Alpine temperatures around -4. MONDAY: 10 cm of new snow by the morning with another 10-15 possible during the day. Moderate to strong southwest winds. Alpine temperatures around -6. TUESDAY: Clearing in the morning, light northeast winds, alpine temperatures around -12 Celcius. WEDNESDAY: Sunny with light northerly winds. Alpine high temperatures near -12 Celcius.

Avalanche Summary

No new avalanches observed.

Snowpack Summary

5-15 cm of snow from Friday covers a variable surface with a mix of soft wind slabs, hard wind slabs, sastrugi, faceted snow, and even some surface hoar. Last week's winds reverse loaded many terrain features and formed stubborn wind slabs on a surprising range of aspects. An interface of faceted (sugary) snow and surface hoar was buried on Boxing Day and can be found up to 100 cm deep. Recent observations suggest the snow has bonded well to this interface. Snowpack layers below this interface are also generally well bonded.

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