Ari Sarsalari breaks down how chem trails form
05:17
Ari Sarsalari breaks down how chem trails form
Those straight, cloud-like formations in the sky are not what you may think they are. FOX Weather Meteorologist Ari Sarsalari breaks down what a contrail actually is and how they're formed. Spoiler alert: it's all about moisture in the atmosphere.
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