Re: (meteorobs) Odd "vortex" cloud photo......
> I came across two interesting photos of a "vortex" cloud, taken by two
> different observers in in Sonoma County, California, posted 5 June 2001, on
> What is of possible relevance is that the cloud feature *may* show the
> after-effects of a supersonic object traversing the atmosphere--whether it's
> due to a supersonic military aircraft, *or* due to a meteor, icy comet
> fragment, is unknown. Has anyone else received reports of this phenomenon?
Hi Richard and all,
This same cloud phenomena actually popped up on the aussie weather mailing
list here a few days ago Check out:
for an explanation and some more pictures.
Robert A. Goler
E-mail Robert.Goler@maths.monashdot edu.au
Department of Mathematics and Statistics
Clayton, Vic 3800
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