Lawinenlagebericht

Jasper

Apr 3 – 4, 2022
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Archiviert · abgelaufen 4 years ago

Lawinengefahr

Tue
Wed
Hochgebirge
2 · Mässig
Waldgrenze
2 · Mässig
Unterhalb
1 · Gering

Kernpunkte

Increasing Southwest wind with 10-15cm of new snow overnight will create new winds labs in the Alpine and at Tree Line elevations. Expect the hazard to increase throughout the day and watch out for dry loose activity in steep, wind sheltered areas.

Lawinenprobleme

  • Wind Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible
    Größe
    1–2

    Moderate to Strong SW wind will create fresh wind slab on sunday evening. These new wind slabs sit over a variety of firm surfaces including wind effected snow and sun/temperature crusts. Expect the reactivity to increase throughout the day Monday.

  • Loose Dry

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible - Likely
    Größe
    1–1.5

    Wind sheltered terrain will have 10-15 cm of dry snow sitting over pervious firm surfaces. Expect small, loose dry avalanches in steep sheltered terrain.

Weather Forecast

Tonight: Flurries. Accumulation: 11 cm. Alpine temp High -5 C. Ridge wind SW 20 km/h gusting 55. Freezing level 1400 meters

Monday: Cloudy with scattered Flurries. Accumulation 4cm. Alpine temp high -3. Wind SW 20km/h gusting 50. Freezing level 1400m

Tuesday: A mix of sun & cloud with isolated flurries & trace precipitation. Wind W 20- 45 km /h

Snowpack Summary

As of sunday afternoon, 2-5 cm of new snow sits over a sun crust on solar aspects to Mountain top. A Melt Freeze crust exist's on northerly aspects up to 2200m with dry, well settled snow on true north slopes above that elevation. Moderate wind effect in the ALP.

Avalanche Summary

A few small, size 1 wind slabs have been observed in higher elevation leeward features.

Confidence

Intensity of incoming weather systems is uncertain on Monday

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