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To: Strategerist
Coriolis is the same all over the world

Not correct:

Typhoon Vamei: Born At The Equator

The Coriolis effect, produced by the Earth's rotation, is non-existent directly on the Equator and increases in magnitude as one travels toward the Poles.

So what caused Vamei's spin?

Analysis later revealed that a weak, quasi-stagnant disturbance off Borneo interacted with a strong, cold surge off Asia that set up a background rotation when it hit the island. When surge met disturbance, spin happened, and a typhoon rapidly emerged that had winds howling in both hemispheres.

And that is a very rare exception:

Such confluence of events has been estimated to occur once every 100 to 400 years.

754 posted on 09/20/2005 12:55:57 PM PDT by dirtboy (Drool overflowed my buffer...)
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To: dirtboy

You're disputing my assertion that Coriolis is the same all over the world? ROFLMAO.

Vamei was an extreme case, but as I said formation of TCs in other basins in the vicinity of 5N or 5S is fairly routine, which is a clear indication that you need to look other than at Coriolis for a reason such formation is lacking in the Atlantic.

The Atlantic in many ways is the "oddball" tropical basin of the world. But it's not Coriolis preventing formation in the Atlantic from about 3N to 10N. (I believe the Atlantic record is 7.9N north.)


758 posted on 09/20/2005 12:59:05 PM PDT by Strategerist
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To: dirtboy

Ah, just realized you must have misunderstood me.

I meant that Coriolis is the same at the SAME LATITUDE all over the world; that is, it's the same at 5N in the Western Pacific as it is at 5N in the Atlantic, at 5S in the Indian Ocean, etc.


760 posted on 09/20/2005 1:00:03 PM PDT by Strategerist
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