geostrophic departure

geostrophic departure

[¦jē·ō¦sträf·ik di′pär·chər]
(meteorology)
A vector representing the difference between the real wind and the geostrophic wind. Also known as ageostrophic wind; geostrophic deviation.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.