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 …

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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 …

Aug 27, 2023 · 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 …

contrail, streamer of cloud sometimes observed behind an airplane flying in clear, cold, humid air. A contrail forms when water vapor produced by the combustion of fuel in airplane engines condenses …

Jan 16, 2025 · 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 …

Sep 2, 2024 · “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.”

Jul 22, 2025 · 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 …

The air that the airplane is passing through is somewhat moist, and there is only a small amount of water vapor available to form a contrail. The ice particles that do form quickly return again to a vapor state.

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 …