persistent contrails

  1. S

    Persistent Spreading Contrail

    How long can a persistent spreading contrail last? Can there be a contrail shadow with a spreading contrail?
  2. D

    [NeedInfo]Persistent Contrails Picture Show

    Here is my journey through France. Dijon / Lyon / Metz. This was on 18th of May 2015. Here is the exact route...
  3. M

    Converting Relative Humidity with regards to water, to Relative Humidity with regards to ice

    Hi Metabunkers, In regards to persistent spreading contrails. I understand that different contrails ie: short, persistent, persistent and spreading contrails require different environmental conditions to exist. I've been observing planes leaving persistent spreading contrails at altitudes...
  4. O

    More on debunking "no persistent contrails"

    I will show, that 2 central satements on Chemtrails are not likely to be true on the same time by analysing scientific data on 506 contrails in Alaska Fairbanks. Common Chemtrail Believer Statements: 1)Chemtrails (long lasting...
  5. Mick West

    Debunked: The Science Claims of Global March Against Chemtrails and Geoengineering

    Global March Against Chemtrails and Geoengineering makes the following claim on their facebook page: ( Global...
  6. Trailblazer

    Busy Sky over Southern UK - July 30 2014

    A very busy-looking sky this morning over Hampshire, UK (July 30 2014).
  7. Mick West

    Debunking "Contrails don't Persist" with a Study of 70 Years of Books on Clouds

    One problem I have in telling people that contrails can actually persist, and can even spread out to cover the sky, is that people tend to be suspicious of random people on the internet. So I decided to simply let 70 years of books on clouds speak for themselves. Result: Every single book on...