Lawinenlagebericht

Sea To Sky

Dec 8 – 9, 2017Avalanche Canada
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Archiviert · abgelaufen 9 years ago

Lawinengefahr

Sun
Mon
Hochgebirge
1 · Gering
Waldgrenze
1 · Gering
Unterhalb
1 · Gering

Kernpunkte

Warm alpine air is the continuing trend. Be cautious on steep slopes if the snow feels moist or wet.

Lawinenprobleme

  • Loose Wet

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible
    Größe
    1–2
    Warm air temperatures and clear skies have produced spring-like conditions on steep solar aspects. Loose wet avalanches may begin small but can grow and push you into dangerous terrain.

Confidence

High - The weather pattern is stable

Weather Forecast

SATURDAY: Mix of sun and cloud, light to moderate southerly winds, freezing level around 2700 m with below-freezing temperatures in the valleys.SATURDAY OVERNIGHT: Cloudy with light precipitation in the west of the region, accumulation 0 to 10 mm across the region, moderate to strong southwesterly winds, freezing level around 2700 m with below-freezing temperatures in the valleys.SUNDAY: Mostly cloudy, light to moderate southwesterly winds, freezing level around 3200 m.MONDAY: Sunny, moderate southwesterly winds, freezing level around 3000 m.

Avalanche Summary

No new avalanches were observed on Thursday. Numerous small to large loose wet avalanches up to size 2 were observed on solar aspects on Wednesday.

Snowpack Summary

Warm air temperatures and clear skies have caused melting of the surface snow on south-facing slopes at higher elevations. Crusts may form overnight and may re-melt during the day. Surface hoar up to 10 mm and near-surface faceting have been noted at and near treeline in shady locations. The recent snow from last week is settling and generally bonding well to the late-November rain crusts. Lingering wind slabs on all aspects may be found in the alpine but are trending towards being unreactive.  Cornices may be weakening with the warm air temperatures.

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