Lawinenlagebericht

Banff Yoho Kootenay

Apr 10 – 11, 2018Parks Canada
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Archiviert · abgelaufen 8 years ago

Lawinengefahr

Thu
Fri
Hochgebirge
2 · Mässig
Waldgrenze
2 · Mässig
Unterhalb
2 · Mässig
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Kernpunkte

Pay attention to rising freezing levels and solar inputs throughout the day. If the sun comes out things will warm up quickly and the hazard will increase.

Lawinenprobleme

  • Wind Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Unlikely - Possible
    Größe
    1–2
    This wind slabs can be expected in the high alpine on lee aspects.

  • Persistent Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible
    Größe
    1–2.5
    Forecasters are still concerned about the March 15 crust which is down 25-50 cm on steeper solar aspects. There as been sporadic but regular skier triggered avalanches on this layer over the past several weeks.

Weather Forecast

Mixed sun and cloud for Wednesday. On Thursday there is a chance of isolated flurries at upper elevations along the divide. Freezing levels will rise to 2100 m during the day but will return to surface during the night.

Snowpack Summary

3-5 cm of fresh snow at upper elevations with some wind effect and thin wind slabs in isolated areas. Various types of temperature crusts or moist snow found on solar aspects and found on all aspects below 1900 m. The March 15 suncrust is down 25-50 cm on solar aspects and still is a concern for skier triggering.

Avalanche Summary

Evidence of loose wet snow avalanches up to size 2 on solar aspects from yesterday. No natural activity noted today.

Confidence

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