ContrailResearch.org
About Contrail Research
Contrail Research is an independent atmospheric-research publication and public analysis tool operated by ContrailResearch.org. It brings together flight context, pressure-level weather, satellite and radar imagery, experimental contrail-persistence modeling, and voluntary sky observations. The purpose is not to turn every line in the sky into a conclusion. It is to show readers what evidence would be needed to distinguish an observation, a physically plausible explanation, and an unsupported attribution.
Why the project exists
A map can make unrelated data look connected simply because the marks overlap. Contrail Research was built to make that problem visible. Flight tracks do not measure humidity. A forecast grid is not a photograph. Satellite cloud imagery does not name a source aircraft. A public photo may document a linear trail while still lacking the timing or upper-air record needed for attribution. The site therefore labels each layer, publishes its method and limitations, and treats missing or conflicting evidence as a result worth reporting.
What we publish
- Original field records: privacy-screened sky observations with time, coarse place, provenance, and an explicit statement of what the image cannot prove.
- Methods: public data sources, interpretation guidance, validation, and known limitations.
- Evidence audits: worked cases based on documented NASA research records, including a case where a contrail formed but did not persist.
- Learning guides: plain-language explanations of formation physics, ice supersaturation, cloud evolution, cirrus comparison, climate effects, and map literacy.
- Public-verification findings: aggregate SkyPulse counts that preserve zero and no-data outcomes instead of manufacturing a trend.
The evidence rule
The publication uses five conclusion levels: observed, supported, consistent with, unresolved, and not supported. “Observed” refers to the content of an identified record. “Supported” requires multiple compatible lines of evidence. “Consistent with” means a hypothesis remains plausible but is not uniquely established. Model scores are relative indicators unless a published calibration demonstrates that they can be read as probabilities. Geographic proximity and visual resemblance are never silently upgraded to causation.
Who are the authors
Articles use the organizational byline Contrail Research Editorial Team. Sources, methods, dates, and corrections appear with the relevant work.
Use of this site
ContrailResearch.org publishes reporting, education, analysis, commentary, and opinion. Observations, source material, and model interpretations are labeled by type. Content is for general information and does not replace legal, medical, regulatory, aviation-safety, or other professional advice. Check primary sources before acting on it.
Privacy and publication
SkyPulse captures are normalized to remove original image metadata and are not automatically published. A curated observation requires permission and human review for people, landmarks, signs, vehicles, home details, fixtures, and unnecessary location precision. Public findings use aggregate counts. The full rules are in the privacy policy and editorial and corrections policy.
Funding and advertising
Advertising may support operating costs but does not determine source selection, model results, wording, or corrections. Sponsored or affiliate material, if introduced, will be labeled with the affected work.
Start with the evidence
Read the methodology, inspect the featured field observation, or work through the case studies. The live map is an exploratory tool and is intentionally separated from the pages that explain how to interpret it.
General inquiries, correction requests, source suggestions, and reviewer inquiries: info@contrailresearch.org.