A Skew-T would give you the temperature-dewpoint spread at various
locations...seems to me that there should be a number of re****ting points
in
the Bay Area, although you could do it by lat-long. An altitude where the
T-DP exceeds 3 degrees (maybe, 5 would be better) should be cloud-free.
Go to http://rucsoundings.noaa.gov/,
read the tutorials, etc at the bottom
(especially the article from "The Front"), and have at it. Then go to
www.chesavtraining.com to get acquainted with Scott Dennstaedt,
meteorologist/CFII; buy his CD program on Skew-T for a real education.
Scott participates in the AOPA and Pilots of America forums.
Bob Gardner
"Terence Wilson" <tez@[EMAIL PROTECTED]
> wrote in message
news:8ua044dmtoa0ai34ibb7fqtaqs2cki9ih6@[EMAIL PROTECTED]
> Here in the San Francisco Bay Area we've had coastal clouds in the
> mornings with ceilings in the 1000-2000 range recently, 10-20 miles
> west of Oakland the clouds dissipate completely. I was wondering
> weather there exists a reliable way of determining the cloud tops
> (other than PIREPs).
>
> TIA
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