At 07:39 am 20/10/2005 -0500, you wrote:
>BlankGrimer wrote...
> "In terms of the Alpha-atmosphere one can visualise a
> small vortex in the middle of the Atlantic which
> triggers a larger vortex which in turn triggers an
> even larger vortex, etc., etc., until we finish up
> with hurricane Wilma wrecking the town of Houston."
>
> Frank,
>
>Pull up the sat views halfway down the page taken by GOES-12
>
>
>http://www.nasa.gov/vision/earth/lookingatearth/h2005_wilma.html
>
> Look closely at the huge spirals imbedded in the northeast
> quadrant of the hurricane cloud. These are tornados so
> incredibly large they could be classified as hurricanes
> within hurricanes. I couldn't relocate the sat view of a
> different hurricane taken at at angle that showed as many
> as 20 spirals in the NE quandrant.
Fascinating stuff.
> Our tests in a clear glass tank demonstrate these vortices
> are being shed constantly.
Or to put it more poetically, 8-)
Big whorls have little whorls
That feed on their velocity,
And little whorls have lesser whorls
And so on to viscosity.
Cheers,
Frank