Lawinenlagebericht

Central Sierra Nevada

Sierra Avalanche Center
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Lawinengefahr

Hochgebirge
1 · Gering
Waldgrenze
1 · Gering
Unterhalb
1 · Gering
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Veraltet — dieser Lagebericht ist 6 years ago abgelaufen. Du siehst vergangene Verhältnisse, nicht den aktuellen Bericht.

Kernpunkte

Normal caution tactics are advised for any travel in avalanche terrain at this time. Anticipate shallow snowcover, early season conditions. Avalanche danger is LOW for all elevations.

Lawinenprobleme

  • Cornices

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Unlikely
    Größe
    1

    SW winds are increasing today and some minor amounts of drifting snow may occur. The expected minor amounts of newly drift deposited snow are unlikely to create any new problematic wind slabs. Any newly formed areas of wind slab are expected to be small, thin, and not extend very far downslope. If you encounter areas of drifting snow today, pause to evaluate and confirm whether or not what you see matches with the forecast expectations. Normal caution tactics and companion rescue gear are advised for any travel in avalanche terrain today.

Avalanche Discussion

Snowpit data and other field observations indicate that avalanches are unlikely at this time. The existing snowpack is shallow but supportable for over snow travel. Numerous obstacles such as rocks, logs, etc are usually easily avoidable with a little care (i.e. slower speeds and conservative route choices). On northerly aspects protected from wind and sun, faceting processes are at work, especially on the upper portion of the snowpack. In sun exposed areas melt-freeze has affected the snow surface. Some southerly aspects hold a strong and consolidated snowpack or are bare ground. In wind exposed areas near and above treeline, some scouring has occurred with rough (sastrugi) and sometimes firm snow surface conditions. Historically, some of our most problematic weak layers tend to form during dry spells such as the current one, so snowpack monitoring remains ongoing.

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