Questions tagged [severe-weather]

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8
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202 views

Modeling swirling storms

I'm looking to demonstrate the rotational behaviour of swirling storms with a numerical simulation. So far it includes pressure-gradient, Coriolis acceleration, frictional forces and the acceleration ...
4
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75 views

Does solar wind perturb Earth's magnetic field ? If so, what are the consequences?

The Earth's magnetic field makes continuous battle with external disturbances to protect Earth from unwanted ramifications. Asteroids passing by, solar flares, and other ET disturbances may cause ...
3
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0answers
58 views

Has a hurricane ever crossed the Atlantic Ocean more than once?

I noticed that Paulette (2020) is still a named storm and is now approaching northern Africa and Spain. It is forecast to begin moving west again in the coming week. Has a hurricane / tropical storm ...
2
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0answers
50 views

Visually Realistic Supercell Modeling

Are there any published descriptions of simple equations governing the formation, evolution, and decay of severe storms? Specifically, I am interested in equations that are able to produce tornadoes ...
2
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0answers
174 views

Are thunderstorms on consecutive days due to distinct cold fronts

On the east coast of Australia, the predominant summer thunderstorm pattern seems to be the derecho variety that develops ~300-400 km inland in late morning / early afternoon, and reaches the coast by ...
1
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33 views

Weather data of very low visibility

I am looking for a database or api that stores historical data of very low visibility conditions. The data needs to be reliable and consistent without too many gaps and in an interval of 1 hour. The ...
1
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0answers
37 views

In a mesocyclone, why does wind shear create a horizontal axis of spinning air?

Take a look at this picture. Moist updrafts interact with highly-sheared upper-level winds, which sets up a horizontal vortex. But why? What causes the air to be forced downward and to the right, then ...
0
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0answers
43 views

How are weather intensity scales created?

I am interested in the development of scales to measure extreme weather. For example, the Enhanced Fujita Scale for measuring the intensity of tornadoes, etc. How were they created? OK sure, I know ...
0
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21 views

Which factors determine the predominant precipitation type of supercells during tornado outbreaks?

A tale of two outbreaks. April 27, 2011 featured classic supercells that were extremely-fast moving (forward speeds of 60+ mph) in a northeast direction. James Spann noted this while covering the EF4 ...