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Andinia.com - Foros / Forums / • Ver Tema - A Hole In The Ice Could Become Your Best Friend
El buscador para los amantes de las actividades al aire libre: exploración, supervivencia, deportes y viajes de aventura.

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 Asunto: A Hole In The Ice Could Become Your Best Friend
NotaPublicado: Lun Nov 28, 2011 1:10 pm 
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Ubicación: Reino de la Araucanía y Patagonia
Experiencing a blizzard over a glacier is not exactly the best kind of fun that mountain climbers would like to have, but there are ways to cope with such weather dangers.

Winds up in the mountains can reach exceedingly high speeds, especially if the topography of certain places funnels them into narrow places. This is called a Venturi, and it is a well-known thing for experts in aerodynamics and meteorologists. As the air passes thorough a narrow gap, the pressure decreases and the speed of the wind increases; it is a very simple principle used – for example – in some carburetors.

There are places around the world, like in Maui Island, Hawaii, where the Venturi effect causes major headaches for pilots and passengers arriving into the local airport at Lahaina. This one is widely regarded as the windiest airport in the United States, and just flying there can be quite an experience. The same effect causes very violent blizzards in snow-covered mountains, even if weather conditions are milder elsewhere.

Imagen
There are magnificent places to hide and survive, but be cautious.

Under such circumstances, trying to put up a tent may really put your survival odds in jeopardy: unless you have a very, very good tent, it will almost certainly collapse and break apart sooner or later, and as powdered snow begins to accumulate outside, you also run the risks of asphyxiation. Anyway – and take our experience in the matter for granted – is not a nice thing to do on a Saturday evening to suddenly wake up as the roof of your tent is blown away, and you have to seek a new shelter.

So, one of the best ways to avoid such problems is, whenever meteorological conditions and weather forecasts seem to turn against you, to seek shelter underground by digging, or better yet, by looking for ice caves, water streams under the snow or ice, and crevasses.

Be aware that exploring for such holes in the ground can be dangerous, but once you get inside one of them, you will usually find quite a bit of space; such places can be roomy, but they can also be quite moist, so carry with you some sort of isolation blanket, a poncho or sit on your rope, backpack, or whatever waterproof thing at hand.

If you can close the entrance or if you can get into the convolutions of the cave, you will not even hear the wind and you will be completely safe from the raging storm, but if you want to know more, you will find additional tips regarding glaciers .

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