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A Question About Contrails  
User currently offlineTurboTristar From , joined Dec 1969, posts, RR:
Posted (15 years 7 months 2 weeks 5 days 17 hours ago) and read 1473 times:

I have noticed for several years, that is seems contrails appear more over St. Louis (my home), much more in the fall than in the spring or summer. Why would this be? Different weather patterns, or different flight directions? I would hardly see any in the spring or summer, but now there are contrails everywhere!


4 replies: All unread, jump to last
User currently offlineHmmmm... From Canada, joined May 1999, 2114 posts, RR: 5
Reply 1, posted (15 years 7 months 2 weeks 5 days 16 hours ago) and read 1456 times:

Well, one of the factors that determine size of contrails is the moisture content of the air up there. More moisture will allow for a larger contrail. Why there would be more moisture in the fall than in the spring, over St. Louis, I don't know.


An optimist robs himself of the joy of being pleasantly surprised
User currently offlineAstrojet From Germany, joined Aug 2000, 565 posts, RR: 2
Reply 2, posted (15 years 7 months 2 weeks 5 days 8 hours ago) and read 1430 times:

Here in Ibiza (Spain) we have very few contrails in the summer time, but in the winter we have a lot.
I agree with Hmmmm... that moisture is the most important factor, another one might be temperature.

User currently offlineCeilidh From , joined Dec 1969, posts, RR:
Reply 3, posted (15 years 7 months 2 weeks 5 days 6 hours ago) and read 1423 times:

Of course, it could all be a secret conspiracy as these people would have us believe.... http://www.carnicom.com/conright.htm - what a bunch of loonies!     

User currently offlineAPP From United Kingdom, joined Feb 2000, 553 posts, RR: 5
Reply 4, posted (15 years 7 months 2 weeks 4 days 23 hours ago) and read 1403 times:

Wow.....This Clifford E. Carnicom guy really should get out more.
What is he on ???
Bunch of Loonies ?.......Gross understatement.

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