contrail-formation graph
contrail-formation graph
[′kän‚trāl fȯr′mā·shən ‚graf] (meteorology)
A graph containing the parameters pressure, temperature, and relative humidity for critical values at which condensation trails (contrails) form; used as an aid in forecasting the formation of condensation trails.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.