Theories Discussion > General Discussion

Tent damage - Was it fatal?

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Игорь Б.:
Разрезы палатки никак не могут быть связаны с лавиной:
http://1723.ru/forums/index.php?s=&showtopic=5133&view=findpost&p=108064
(примечание: правильный перевод фразы "воздушный хлопок" - air clap).

GlennM:
No, sorry.

Marchesk:

--- Quote from: GlennM on April 01, 2022, 08:25:03 PM ---Well, it seems the experts have spoken and the conclusion is that a slab avalanche was the impetus for the hiker's demise.
--- End quote ---

This isn't a new theory. It's been around since at least 2009.


--- Quote from: GlennM on April 01, 2022, 08:25:03 PM ---It appears that the more exotic and sinister hypotheses can be discarded for a more mundane truth.
--- End quote ---

Only if you find the snow slab theory convincing. It is just another theory. There's no actual new evidence. A simulation isn't evidence. They didn't discover a picture of the snow buildup that night, or whatever. Several weeks later, the rescue team didn't see any such evidence. Maybe it blew away, but that's just a possibility.

GlennM:
A slab avalanche requires three things.  The slope must be sufficiently steep with a theoretical minimum of 30 degrees. A vertical wall is needed which would allow the heavier top layer of snow to compress, fracture the weaker layer underneath and physically slip. Third, a deposition of additional triggering weight of snow deposited by a katabatic against a ledge near the vertical wall is needed to initiate the compression and failure of the weak layer. This deposition could be enhanced by the hikers placing additional snow on the lip of the vertical wall to provide as additional windbreaks. A katabatic wind would build snowdrifts against this over the course of a few hours. These unique conditions were met.

As grist to the mill, the rescuers photo of the tent shows it covered by chunks of snow,as well as the immediate vicinity. In the distance, smooth snow can be seen for contrast. What I am unclear about is which side, upslope or downslope was the tent knifed through so the hikers could exit.

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