From AMS Glossary
Revision as of 20:24, 26 January 2012 by Perlwikibot
The small irregular motions or eddies produced immediately in the rear of an obstacle in a turbulent fluid.
For sufficiently high Reynolds number and for very irregular obstacles, the region of lee eddies may extend a considerable distance downstream. As an example in the atmosphere, mountain waves may be thought of as lee eddies