Chem trails

PHOTO OF THE WEEK: VAPOR TRAILS OVER MT. HELIX

 

 

East County News Service

Photo credit:  Rebecca Jefferis-Williamson

March 8, 2017 (La Mesa) – Rebecca Jefferis Williamson sent in this photo of trails left by airplanes over Mt. Helix, taken from the Fuerte Street bridge this morning. Some have called these chem trails but they are actually simply water vapor that has condensed/frozen due to cold temperatures high in the atmosphere. The scientific name is contrails.


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