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Maybe tornados form from dust devils that get pulled into the storm. Is there some way to look for a correlation between number of tornados on a given day and how conducive conditions are to producing dust devils?

Edit: We all know how severe storms form. But some severe storms produce tornados and some dont. Nobody knows why. I am suggesting that maybe the reason some dont is because conditions at that time were not conducive to producing dust devils. It might be possible to look at the statistics and see if that is the case. If so then that might help forecasters to predict when tornados are more likely to form.

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Although there is a superficial resemblance between tornados and dust devils, they are very different. There is no connection between the two. I have seen lots of dust devils in reality, but tornados only in videos. Whereas tornados are very large and usually very wet, dust devils are very small and very dry. They occur in deserts and very hot, dry environments. They have enough power to uproot tent pegs and blow down a large tent, but nothing more. I was interested to see that they are fairly common on Mars in what passes for hot weather there. Mars, of course, is a dry, sandy desert, but a very cold one by our standards. The atmosphere is tenuous, but as gravity is only a third of Earth gravity, the dust is lighter and easier to pick up. Hurricanes also have a superficial similarity to tornados, but are vastly larger and produced in a completely different way, but at least they are wet.

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  • $\begingroup$ None of that contradicts anything I said $\endgroup$ – R. Emery Aug 18 at 9:40
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    $\begingroup$ Dust devils form near ground at times without the major storms that form tornadoes. Tornadoes form from above, starting at the clouds and then propagate downward (not always reaching the ground). The dynamics of how the turbulence in the atmosphere twists into the form of a tornado is well described. So this answer is correct, tornadoes don't form from dust devils. $\endgroup$ – haresfur Aug 19 at 2:06
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    $\begingroup$ I didnt say they form from dust devils. I said they form from dust devils that get pulled into the storm. And of course they intensify from the top down. So what? $\endgroup$ – R. Emery Aug 20 at 13:18

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