Anti-clockwise rotation of the wind hodograph. Part I: theoretical study.

M. Kusuda, P. Alpert

Research output: Contribution to journalArticlepeer-review


Reasons for anti-clockwise (Northern Hemisphere) rotation of the wind hodograph in the boundary layer are investigated. As observations of wind hodographs show two different kinds of anti-clockwise rotation (ACR), one frequently observed, which is highly irregular with partly ACR and the other with clear ACR, two methods have been applied. At first a two-dimensional nonlinear model which includes sea-land breezes as well as a mountain reveal partly ACR at the lee of the mountain. Second, a linear model is solved analytically showing that inclusion of a rotating thermal force in the ACR sense generates clear ACR. -from Authors

Original languageEnglish
Pages (from-to)487-499
Number of pages13
JournalJournals of the Atmospheric Sciences
Issue number2
StatePublished - 1983
Externally publishedYes


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