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Man-made clouds- photos by Rosalind Peterston , www. californiaskywatch .org

Man-made clouds- photos by Rosalind Peterston , www. californiaskywatch .org. Persistent contrails are “trapping warmth in the atmosphere.” Persistent contrails produce man-made clouds that could negatively impact agricultural crop production.

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Man-made clouds- photos by Rosalind Peterston , www. californiaskywatch .org

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  1. Man-made clouds- photos by Rosalind Peterston, www.californiaskywatch.org

  2. Persistent contrails are “trapping warmth in the atmosphere.” Persistent contrails produce man-made clouds that could negatively impact agricultural crop production. “Any increase in global cloud cover will contribute to long-term changes in Earth’s climate. Likewise, any change in Earth’s climate may have effects on natural resources…” nASA newsletter (2005)

  3. 2009 Jet Leaving Contrail Picture by Brendan O.

  4. Stop and start persistent contrails

  5. Burst

  6. Ribbed Trail

  7. et Leaving Contrail Over Ukiah, CA 2009

  8. Jet Leaving Persistent Jet Contrail Montana Skies 2007-2008

  9. Persistent Jet Contrail in Willits, CA August 12, 2009 by Brendan Oleary- Feather

  10. X’s and ribbed trail

  11. Expanded x-large trail

  12. X-large Trail

  13. Arizona- persistent parallels

  14. Ohio

  15. North Glenn, Colorado

  16. Espanola, New Mexico

  17. Idaho

  18. Las Vegas, Nevada

  19. Southern Oregon

  20. Jets Leaving Persisting Jet Contrails Davis, CA by Rosalind 2008

  21. Southern Oregon Persistent Jet Contrail Blitz Septmber 7, 2009

  22. Jet Loop + Man-Made Clouds + White Haze Calpella CA by Rosalind September 12, 2004

  23. expanded_PJC_willits_8-12-09

  24. Persistent Jet Contrails over Willits, CA August 12, 2009 by Brendan Oleary

  25. Man-Made Clouds Ukiah, CA May 28, 2002 by Rosalind

  26. Persistent Jet Contrails & Man-Made Clouds Calpella, CA by Rosalind April 1, 2005

  27. Haze + Man-Made Clouds Lake Mendocino, Ukiah, CA by Rosalind

  28. Black Contrails + White Haze + Man-Made Clouds Ukiah, CA December 10, 2004 by Rosalind

  29. Man-Made Clouds with new Jet Contrails over Willits, CA by Brendan Oleary #6 August 12, 2009

  30. Black Carbon Question - Man-Made Clouds Redwood Valley, CA April 1, 2005 by Rosalind.

  31. Man-Made Clouds & Persisting Jet Contrails Redwood Valley, CA by Rosalind August 24, 2004

  32. Ukiah, CA

  33. skyvault

  34. Beginning of burst pattern

  35. Ukiah, CA

  36. Ukiah, CA

  37. X-files

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