What type of weather conditions would lead to being above the clouds while mountaineering?
Its always been cool to be climbing a mountain and look down, and realize that you are high enough that there are clouds below you.
Here are some pictures from Wikipedia of what this looks like.
I would think that the weather would have a great deal to do with when this happens, what are good indicators or conditions that would create situations like this?
It is called fog, and you are standing higher then it is thick. Clouds can form at many different altitudes. They ca …
8y ago
That phenonmon is called a cloud inversion. It happens in mountainous areas when a layer of warm moist air passes over c …
8y ago
Maybe the mountain is just very tall. Haleakalā has a sunrise tour where you can see that every day.
8y ago
Many clouds are below mountain level Common Cloud Names, Shapes, and Altitudes The lower are typically cooling of a …
8y ago
There are various factors to lead you being above the clouds. Mainly what you want to do is to be on top of a mountain …
8y ago
5 answers
Maybe the mountain is just very tall. Haleakalā has a sunrise tour where you can see that every day.
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There are various factors to lead you being above the clouds.
Mainly what you want to do is to be on top of a mountain during Thermal inversion.
From wikipedia:
In meteorology, an inversion is a deviation from the normal change of an atmospheric property with altitude.
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It is called fog, and you are standing higher then it is thick.
Clouds can form at many different altitudes. They can be as high as 12 miles above sea level or as low as the ground. Fog is a kind of cloud that touches the ground.
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That phenonmon is called a cloud inversion. It happens in mountainous areas when a layer of warm moist air passes over cold valley floor. So initially the valley is full of cold air:
\ /
\ cold /
\ /
\______/
In certain circumstances (an approaching warm front) a layer of warm moist air will pass into the valley and will be forced above the cold air (warm air rises and is less dense, etc)
\ warm /
\ ------- /
\ cold /
\______/
The valley sides and the warm air trap the cold in the valley bottom. Where the warm and cold air touch water is condensed from the warm air to form clouds (---). The warm air acts as a "cap" preventing the cold from escaping (Capping inversion)
what are good indicators or conditions that would create situations like this?
Your looking for a warm front meeting a cold air mass (high pressure in winter) in a mountainous area. Strong winds will "mix" the air masses, so ideally it should be calm.
This typically happen around dawn and tend to burn off as the valley bottom is heated, though they can last for long periods of time if the conditions are right. The larger the tempaterature difference (between the cold and the warm masses) the better chance of this happening so look for a warm front where the temperature infront of it, is a lot colder than that behind it (all warm fronts have this to a degree)
BTW the mountains don't have to be particualry high, this does happen at quite low levels, I've seen it on hills no more than a couple of hundred feet.
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Many clouds are below mountain level
Common Cloud Names, Shapes, and Altitudes
The lower are typically cooling of air and not limited to an inversion
Stratocumulus Clouds (“The low, puffy layers”) can typically be detected from the ground
That is a climb safe cloud
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