Lawinenlagebericht

Kootenay Boundary

Apr 10 – 11, 2013Avalanche Canada
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Archiviert · abgelaufen 13 years ago

Lawinengefahr

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

Due to a lack of information sources at this time of year, this forecast is based primarily on weather data. If you have been traveling in the backcountry recently, send us your observations. Email us at  [email protected]

Lawinenprobleme

  • Wind Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible
    Größe
    1–4
    New wind slabs have developed in the alpine and at treeline.

  • Loose Wet

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible
    Größe
    1–4
    Loose wet snow slides may release naturally from steep terrain at treeline and below. Wet slides in motion may gain a lot of mass as they scour isothermal snowpacks down to the ground.

Confidence

Poor - Timing, track, or intensity of incoming weather is uncertain on Friday

Weather Forecast

Thursday: A lull between weather systems will bring mostly overcast skies with some sunny breaks. Some light precipitation is possible. Freezing level 1000m and light to moderate west winds.Friday: Another frontal system affects the southern interior  late in the day bringing light to moderate precipitation. Freezing level 1000m and strong southwest winds.Saturday: Freezing levels drop with the passage of a cold front. Light to moderate precipitation possible.

Avalanche Summary

No new avalanches reported. Expect loose wet snow releases from steep terrain at treeline and below. Pockets of wind slab may be triggered by skiers or riders at higher elevations.

Snowpack Summary

40-60cm of new snow has fallen at 1700m elevation and above in last 4 days. This new snow sits on a crust at upper elevations. The snowpack continues to be moist below this crust. Recent moderate to strong winds have created wind slabs in alpine leeward slopes. At lower elevations the snowpack is wet and isothermic.

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