Joe climbed onto an orange crate and shouted:

The chicken or the egg?

Which came first? The low pressure or the storm?

In simple terms, help a dummy understand if the low pressure causes the storm,
or is the low pressure a byproduct of the storm?

The low pressure *is* the storm. It doesn't make any sense to
disconnect the two.

And why in the hell does the pressure rise and fall?

If I knew a universal answer to that, I'd get the Rossby Medal.



--
"I am a whole-hearted believer in spreading the arts around. A lot
of people won't want them, but everywhere there will be some people,
all ages, 'naturals' I like to call them, to whom the discovery of
these arts will be like finding water in the desert. And if this
spreading around costs millions, then let it cost millions. It is
public money well spent, which is more than can be said about a great
deal of public money." -- J B Priestley