Lawinenlagebericht

Moab

Utah Avalanche Center
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Lawinengefahr

  • Hochgebirge
  • Waldgrenze
  • Unterhalb der Waldgrenze
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Veraltet — dieser Lagebericht ist 3 years ago abgelaufen. Du siehst vergangene Verhältnisse, nicht den aktuellen Bericht.

Kernpunkte

Areas of CONSIDERABLE danger remain on steep slopes above treeline that face NW-N-E where thick slabs of wind drifted snow are capable of producing avalanches 2'-4' deep.

The avalanche danger is MODERATE on all other aspects and elevations and human triggered avalanches are possible including loose, wet avalanches on sun exposed slopes as the day heats up.

Spring time in the mountains means that things can change quickly and there can be an assortment of avalanche problems within an hour or an aspect of one another. It is a good time to year to be willing to adapt and change your plan if the weather or snow conditions change.

Lawinenprobleme

  • Wind Slabs

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

    The greatest danger exists on steep, wind drifted slopes near and above treeline that face the north side of the compass. Slabs of wind drifted snow that formed during the height of the storm on Friday are gaining strength and may not display outward signs of instability such as cracking. This means you may get lured further down slope before they release. In some areas, wind drifted snow has built thick slabs over buried weak layers and avalanches 2'-4' deep are possible.

  • Persistent Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible
    Größe
    3

    Weak layers of faceted snow are continually being observed in the snowpack though their distribution remains spotty. The most prevalent layer formed on northerly aspects during the high pressure of early February, and was subsequently buried on Valentines Day. This layer has yet to produce significant avalanche activity although slides that occurred on February 23 may be attributed to it. With the recent snow load adding more stress, it may be possible to trigger an avalanche 2'-4' deep down to this weak layer. Hopefully we'll get a better look around todaty to see how things have been affected.

Special Announcement

The Banff Centre Mountain Film Festival World Tour is coming to Moab March 17-18. For tickets and information go here.

Geyser Pass Road: Grand County will be plowing today and the gate will be closed while work is in progress.

Grooming: All trails are covered in fresh snow.

Recent Activity

Visibility was poor yesterday and no new avalanches were reported. See the La Sal avalanche database here.

Snow and Weather

6:00 a.m. Snow and Weather Data

24 Hour Snow 4" 72 Hour Snow 18" Season Total Snow 247" Base Depth at Gold Basin 87"

Winds on Pre Laurel Peak W 5 Temp 13

Weather

A brief transient ridge today will bring quiet weather and partly sunny skies with a slight chance for snow showers developing late this afternoon. West winds will remain light, and high temps will be around 30F. Tuesday will bring increasing clouds and wind before the next Atmospheric River event impacts the area on Wednesday.

General Conditions

I don't have any reports from the backcountry so I'm keeping the danger elevated on northerly aspects above treeline until we have a better idea. Thick slabs of wind drifted snow have formed in these areas and they still seem like good places to avoid. Up to 14" of dense, heavy snow plastered the mountains on Friday, with another 4" yesterday. The wet snow appears to have bonded well to the old snow surface, but with nearly 2" of water weight added in some areas, I'm not quite ready to trust it just yet. The greatest danger exists on steep northerly aspects where deep drifts have formed, but it may still be possible to trigger an avalanche in the most recent snow on all aspects. If you observe signs of instability such as cracking or collapsing move to terrain less step than 30 degrees, and avoid steep, wind drifted slopes. And finally, with the sun coming out today, be alert to signs of wet instability such as rollerballs and pinwheels and stay off of steep slopes where these signs are present.

For the most recent observations go here. If you are getting out in the backcountry, let us know what you find.

Snowpack and Weather Data

Gold Basin Storm Stake (10,000')

Gold Basin SNOTEL site (10,000')

SNOTEL site near Geyser Pass Winter Trailhead (9600')

Wind Station on Pre-Laurel Peak (11,400')

NWS forecast for the La Sal Mountains.

General Announcements

This forecast is from the U.S.D.A. Forest Service, which is solely responsible for its content. This forecast describes general avalanche conditions and local variations always occur. This forecast will be updated by 7:30 tomorrow morning.

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