high credibilityNOAA2023NOAA: Weather Modification OverviewNOAAOpen sourceCited by Cloud-Seeding Disaster Attribution Claims
high credibilityNOAA2022NOAA: Contrail Science Frequently Asked QuestionsNOAAOpen sourceCited by Operation Skywatch Chemtrail Claims
high credibilityNOAA2019NOAA: Contrails formationNOAAOpen sourceCited by Chemtrails: Chemical Spraying from Aircraft
high credibilityNOAA2019NOAA: Earth shape and ocean tidesNOAAOpen sourceCited by The Flat Earth Theory