Contrail - Wikipedia The authors of a 2008 study wrote, "The variations in high cloud cover, including contrails and contrail-induced cirrus clouds, contribute weakly to the changes in the diurnal temperature range, which is governed primarily by lower altitude clouds, winds, and humidity "
CONTRAILS FACT SHEET - Federal Aviation Administration rounding atmosphere The resulting line-shaped contrail extend behind an airplane If contrails persist for a long enough time in a region of the atmosphere with high windshear, they can spread across the sky due to the prevailing winds at the level
Contrails — What are they and how do they form? | Space Contrail is a portmanteau of "condensation" and "trail " Contrails are trails of condensation created by jet engines at cruising altitude in the atmosphere Why do some planes not produce
Contrails vs. Chemtrails: The Truth Revealed – Engineerine In drier air, the contrail evaporates more quickly or sublimates back into vapor Contrails can also evolve into a persistent contrail, which remains visible for a long period, or into a contrail cirrus cloud, which can spread out and form a thin, cloud-like layer across the sky
Information on Contrails from Aircraft | US EPA A contrail will form if the humidity becomes high enough (and the air temperature becomes low enough) for water vapor to condense on particles (often soot) in the exhaust and the surrounding air to form tiny water droplets, and then these droplets freeze at low temperatures into ice crystals
What Are Contrails, and Are They Bad for the Environment? “Waiting for new aircraft to enter the fleet is going to take a long time So operational measures like contrail avoidance are the primary opportunity to do something on a faster timescale ”
Airspace: Contrails - NASA How and where can we see contrails? On a clear day, the sun’s rays travel to Earth’s surface unimpeded When light runs into the cloud or contrail though, it is reflected by the water molecules within them, making the cloud visible and distinguishable from its background, the sky