Hippy Steve
Don’t see this very often. It’s a #distrail. A reverse contrail posited to be caused either by warm exhaust gases causing ice crystals to evaporate or by causing them to condense and grow on exhaust particles then fall.
Mar 29, 2024 at 11:11pmWeb
Show threadHippy SteveMar 29, 2024

The Cloud Appreciation Society seems convinced that it's the exhaust particles seeding ice crystals. https://cloudappreciationsociety.org/cloud-library/distrail/

While the Skybrary says the jury is still out. https://skybrary.aero/articles/distrail

Distrail - Cloud Appreciation Society

An aircraft dissipation trail, or distrail, is a specific example of the cloud hole known as a cavum, or fallstreak hole. In the case of a distrail, the cloud hole is formed by the passage of an aircraft through the cloud layer, and so it shaped more like a line than a circular hole. As […]

Cloud Appreciation Society
Show threadAI6YR BenMar 29, 2024

@exador23 Hmm, that plane is in violation of Tennessee Senate bill SB 2691/HB 2063!! 🤪

(which bans "c h e m t r a i l s" following the nonsense conspiracy theory).