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 Post subject: Tahoe Area
PostPosted: Wed Dec 27, 2006 3:08 pm 
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Joined: Tue Jan 04, 2005 7:55 pm
Posts: 93
Location: Tahoe
Well,

We have'nt seen much snowfall this season yet but the danger is still there.

From todays avy forecast:

Quote:
The southwest wind has deposited significant windslabs on NW-N-NE aspects at all elevations. The high wind speeds were able to transport snow farther than usual and caused windslabs to form downhill from ridge lines and inside the trees in some areas. The E-SE slopes have been crossloaded with windslabs building out from the sides of those aspects rather than down from the top. Windslabs will be present in some less obvious places, so be alert for any signs of windloading and watch out for that terrain. On the exposed slopes these windslabs are sitting on a smooth crust. In the more protected areas the windslabs were deposited on top of the snow from our last storm which is on top of a crust. Yesterday some easy shear failures and moderate compression failures between the both of these crusts and the small windslabs that were starting to form were observed. These slabs grew overnight and will become more widespread and thicker as we get more snow throughout the day. As the slabs grow, they will put more strain on the interface between the crust and the windslab, and that interface will get closer to its failure point. A skier, snowboarder, or snowmobiler could be all that is needed to trigger an avalanche.

Today human triggered avalanches will be probable on any steep windloaded slopes. Any avalanches that are triggered will likely be those newly formed windslabs failing on weaknesses in the storm snow and stepping down to the crust layers.

Near and above treeline, avalanche danger is CONSIDERABLE. Below treeline, avalanche danger is CONSIDERABLE. Avalanche activity will be most likely on recently wind loaded NW-N-NE-E aspects 33 degrees and steeper.

_________________
Step, kick, slide....step, kick, slide....repeat 8,000 times.


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 Post subject:
PostPosted: Wed Dec 27, 2006 4:03 pm 
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Joined: Wed Nov 17, 2004 11:42 am
Posts: 2389
Location: California
Thanks for the info/reminder mtnvoodo. I'll have my safety hat on big time tomorrow.


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 Post subject:
PostPosted: Mon Feb 04, 2008 4:09 pm 
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Joined: Fri Nov 12, 2004 12:37 pm
Posts: 1881
Location: in between
Heard the slide that Alpine triggered on Sunday that ran over the road went down to the rain crust layer from weeks ago.

Does anyone have any more information or pics of the slide? I would assume that a skier could never (never say never) trigger something so deep, but I'm still suprised bombing could.


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 Post subject:
PostPosted: Mon Feb 25, 2008 9:22 pm 
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Joined: Wed Jan 26, 2005 11:13 am
Posts: 92
Location: deep on the the west shore
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Dicks peak today...did it slide? was anyone closer?


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