Lawinenlagebericht

Stevens Pass

Northwest Avalanche Center
Auf der Karte ansehen

Lawinengefahr

Thu
Hochgebirge
3 · Erheblich
Waldgrenze
3 · Erheblich
Unterhalb
2 · Mässig
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Veraltet — dieser Lagebericht ist 2 years ago abgelaufen. Du siehst vergangene Verhältnisse, nicht den aktuellen Bericht.

Kernpunkte

Snow and wind will give way to rain and freezing rain, resulting in a natural avalanche cycle on Tuesday night. By Wednesday morning, you will still be able to trigger wet avalanches on steep slopes. Watch for rollerballs and recent avalanches as signs of the danger.

Lawinenprobleme

  • Loose Wet

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Likely
    Größe
    2

    Rain on previously dry snow will create dangerous conditions. Stick to slopes under 35 degrees where you find wet snow. Until liquid water in the snowpack has time to freeze, wet avalanches will be of concern. Additionally, you might see cornices sag or fall. Don't linger under cornices, large slopes, or precariously hanging blocks of snow.

    (3/31/2024)

    An example of a wet loose avalanche from last season

    Photo: Katie Warren

Avalanche Discussion

We expect about 1" of water to fall as rain on Tuesday night, which could initiate widespread wet avalanches. Natural avalanches will likely subside on Wednesday, while the danger will remain elevated. Give the snowpack time to freeze before venturing into steeper terrain.

On Tuesday, Stevens Pass Patrol reported natural slab avalanches in the new snow. Observers near Tye Peak triggered a small storm slab in steep terrain. The 12/7 melt-freeze crust is now buried 2-3 feet deep, and observations throughout the zone have shown a favorable bond with this layer. However, with enough rain and liquid water in the snowpack, wet avalanches could potentially run that deep. Travel below 4000ft is still challenging with very low snow cover and it gets worse further east in the zone. 

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