RE: "Twisters" (Wingtip vortices)

From: ARMAS, EARL (PTSS) (eaarmas@msg.pacbell.com-DeleteThis)
Date: Tue Jul 06 1999 - 08:23:53 PDT


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From: "ARMAS, EARL (PTSS)" <eaarmas@msg.pacbell.com-DeleteThis>
To: "'wind_talk@opus.hpl.hp.com-DeleteThis'" <wind_talk@opus.hpl.hp.com-DeleteThis>
Subject: RE: "Twisters" (Wingtip vortices)
Date: Tue, 6 Jul 1999 08:23:53 -0700 
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Just to add some more insight...

I was driving up from LA back to the Bay Area yesterday
and had noticed that there were quite a few "whirl-winds"
or what looked like mini-tornados. I also noticed that there
were a lot more of these than usual. They were on both sides
of I-5 and would have dirt swirling in them. Some seemed to
be stationary while others were slowly moving along. There was
not a cloud in the sky nor did it seem to be windy. Has anyone
else seen these? Does anyone know what causes these or what
they are really called?



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