Lawinenlagebericht

Snoqualmie Pass

Northwest Avalanche Center
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Lawinengefahr

Sat
Hochgebirge
2 · Mässig
Waldgrenze
1 · Gering
Unterhalb
Keine Stufe
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Veraltet — dieser Lagebericht ist 8 months ago abgelaufen. Du siehst vergangene Verhältnisse, nicht den aktuellen Bericht.

Kernpunkte

It’s not particularly dangerous out there, but with all the water still running through the snowpack, blobs of snow may fall off cliffs and rocks without warning. The key is not to be below when it happens. Try to avoid hanging out underneath this type of terrain.

Lawinenprobleme

  • Glide Cracks

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

    While the rain finally draws to a close on Friday, the snowpack remains wet and nasty. It’s hard to say what’s left to actually fall down, but any snow still clinging to rocky slopes is suspect. These aren’t avalanches you typically trigger; instead, they hit you from above. So, pay attention to what’s over your head. Look for routes that help keep you out from under these types of slopes. 

    Remember, it doesn’t take a big alping face to produce a slide. Any snow covered rocky slope will do. Fortunately, at middle elevations, there’s just not that much snow. So any avalanche will be small but dense. As you ascend, deeper snowpacks also mean the potential for bigger avalanches. 

    If the snowpack is still truly saturated, wet avalanches could gouge the snow or even run on the ground. This would be a particularly dangerous version of these shed-style slides. If you see one, expect others in similar terrain.

    (3/2/2025)

    Example: Snow precariously hanging to a rocky ledge with a waterfall running down the middle. These blocks could fall with no warning. 

    Photo: Andy Harrington

Avalanche Discussion

What a wet and wild week! Since 4 am on Monday (12/8), over 15 inches of precipitation have fallen at the Pass. Rain reached well above the highest peaks repeatedly during the event. Snowpacks across the board took a huge hit! 

There’s just not enough snow at lower elevations to even produce an avalanche. Middle elevations could be in the same boat. This prolonged storm has severely limited observations. For the most part, we don’t know much about current conditions. 

One thing is for sure: accessing the mountains right now is a huge challenge. Flooded roads, washouts, and mudslides are impacting many local communities. If you reach a trailhead, expect long, muddy walks to reach the snow. Even then, snowpacks are thin with plenty of roaring creeks, exposed obstacles, and random holes. 

With the warm start to the 25-26 winter season, we have less snowpack information than usual to start daily forecast operations. For zones and elevation bands with less snow than needed for avalanche hazard, we will issue a forecast with No Rating. Anticipated avalanche and weather conditions will still be updated daily. NWAC will issue an avalanche danger rating for a zone when enough snow to produce avalanches has accumulated at middle and upper elevations.

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