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Analysis of a California Catalina eddy eventDuring the period 26-29 May 1968 a shallow cyclonic circulation, known locally as a Catalina eddy, developed in the offshore waters of southern California. A synoptic and mesoscale analysis of the event establishes the following: (1) the incipient circulation forms on the coast near Santa Barbara downwind of the coastal mountains, (2) cyclonic shear vorticity appears offshore in response to lee troughing downstream of the coastal mountains between Vandenberg and Pt. Mugu, California, (3) mountain wave activity may be aiding incipient eddy formation in association with synoptic-scale subsidence and the generation of a stable layer near the crest of the coastal mountains, (4) a southeastward displacement and offshore expansion of the circulation occurs following the passage of the synoptic-scale ridge line, and (5) dissipation of the eddy occurs with the onset of a broad onshore flow.
Document ID
19840031738
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Bosart, L. F.
(New York, State University Albany, NY, United States)
Date Acquired
August 12, 2013
Publication Date
August 1, 1983
Publication Information
Publication: Monthly Weather Review
Volume: 111
ISSN: 0027-0644
Subject Category
Meteorology And Climatology
Accession Number
84A14525
Funding Number(s)
CONTRACT_GRANT: NAS1-15948
CONTRACT_GRANT: NSF ATM-80-26557-02
Distribution Limits
Public
Copyright
Other

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