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30 views

What does “downshear” mean?

I occasionally read descriptions such as "downshear of the vortex" in meteorological publications. What does this mean?
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35 views

Why Do Clouds Precipitate Rather than Fall From the Sky?

After spending some time watching clouds, it occurred to me how interesting it is that clouds have more structure than just being homogenous, really humid layers in the sky. I see that a similar ...
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0answers
135 views

How far we can see in the thickest possible fog?

There is quite foggy day today here, I cannot see end of the street. This made me think about how much worse can it be. So here is my question: how thick a fog can be? What's the smallest visibility ...
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35 views

What causes charge buildup in a cloud before a lightning storm?

I am curious what causes the charge build up in a cloud before lightning occurs. I have seen in a few places such as this, that the process is not fully understood. Is this some form of static ...
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0answers
18 views

How to calculate precipitation chance with basic weather data?

I would like to know if there is any algorithm which allows us to calulate precipation chance with following data: temperature, humidity, illuminance (in lux) and pressure. I've searched it in google, ...
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0answers
14 views

Is it possible to determine which kinds of 10 basic cloud type will form by reading skew-T graph?

Is it possible to determine which kinds of 10 basic cloud type will form by reading skew-T graph? Also, can I determine the top and the bottom of the clouds by skew-t graph?
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44 views

Temperature change as function of solar elevation, current temperature, and cloud cover?

If it's 80F with clear skies, and the sun is at a 54 degree angle, what is the rate of temperature increase or decrease? More generally, where can I find a formula or approximation that takes ...