New Kind of Avalanche: 9 Russian Adventurers Mysteriously Froze to Death

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Recent research sheds light on the mysterious deaths of nine Russian adventurers, suggesting a new type of avalanche may have contributed to the tragedy. The study indicates that this phenomenon occurs when a hard snow surface, formed by wind, conceals softer, powdery snow underneath. This layering can lead to a micro avalanche, where the top layer breaks free and slides down an incline. While initially met with skepticism, the explanation aligns with personal experiences shared by individuals familiar with similar snow conditions. The research clarifies that this type of avalanche can occur on slopes with a minimum angle of 20 degrees, with the specific slope in the incident being 23 degrees. This finding emphasizes the need for awareness of snow conditions in outdoor activities.
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Cool. My first reaction, before reading the article was skepticism regarding the claim of a "new" kind of avalanche, but indeed that is what the article details.
 
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When I read it, it made sense. It’s something I experienced as a kid where the snow was hard on the surface due to the winds but soft and powdery underneath.

We used to break off chunks a toss them onto the hard surface to see the piece shatter and the parts skitter away.

It never occurred to me that on an incline that a portion of the surface could break free and slide down as a kind of micro avalanche.
 
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jedishrfu said:
the snow was hard on the surface due to the winds but soft and powdery underneath.
I was once on a ski lift early watching some skiers taking a first run on a slope like that. :biggrin:
 
My understanding is that is not entirely a "new kind" - more like they proved known kind of avalanche could take place in the conditions present there and then.
 
Also that for this type of avalanche the slope was less than the 30.0 degree slope.

A minimum of 20.0 degree was needed and in the case of tragic event they described, the slope was 23.0 degrees.
 
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Read that with an internal Theremin playing.
 

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