jet contrails and solar output [RE-wrenches]

[Smitty]

Allan, no joke. The mountains that border the east side of Albuquerque,
10,000-11,000 feet, completely disappeared for four days. Didn't take any
measurements, but it was bad. Made for better than normal sunsets though. The
winds have cleared the smoke out, and I don't think we're in Kansas anymore. I
read a blurb from Sandia a while back and it said contrails do affect the amount
of insolation, but I think 30 % was pushhin' it. Don't recall. Smitty.

Allan Sindelar wrote:

> Paul is not far off here...Paul Benson of Dankoff told me he checked
> insolation during the peak of the wildfire smoke (we're 300 miles away) with
> a pyranometer and got 650-700 watts/sq. meter, when we normally get
> 1,000-1,200.
> Allan @ PosEn
> ----- Original Message -----
> From: "paul wilkins" <inkings at swcp.com>
> To: <RE-wrenches at topica.com>
> Sent: Thursday, July 11, 2002 11:55 AM
> Subject: Re: jet contrails and solar output [RE-wrenches]
>
> > The fires in Arizona cut my PV production nearly in half. It was so hazy
> it
> > looked like San Bernardio in August. Paul Wilkins
> >
> > carl reuter wrote:
> > >
> > > Dear Wrenches: Last week I did a system upgrade for some folks living in
> the Sierra Nevada foothills and the customer told me that the output of his
> original eight BP90s on a Wattsun tracker would drop by 30% on some days
> where there was a lot of jet activity. He attributed this to the contrails
> or 'chemtrails' as he called them. I thought that was a bit of an
> exaggeration until I just read a newspaper clip about how Nasa announced
> that contrails are actually forming weather altering clouds and having an
> impact on our climate. Apparently they saw a dramatic shift after sept. 11
> and were able to study it better with the planes grounded. It seems we may
> have to factor this into module output calcs in the future.Carl Reuter
> > >
> > > Carl Reuter, Land and Sea Solar
> > > "Bringing Solar Down To Earth"
> > > www.landandseasolar.com
> > > Ph: 831-477-7169
> > > Fax: 831-465-8349
> > >
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