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Low-Frequency Variations of the Sea Breeze in Florida

Title: Low-Frequency Variations of the Sea Breeze in Florida.
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Name(s): Moeller, Lauren, author
Misra, Vasubandhu, professor directing thesis
O’Brien, James J., professor co-directing thesis
Fuelberg, Henry, committee member
Bourassa, Mark, committee member
Department of Earth, Ocean and Atmospheric Sciences, degree granting department
Florida State University, degree granting institution
Type of Resource: text
Genre: Text
Issuance: monographic
Date Issued: 2011
Publisher: Florida State University
Place of Publication: Tallahassee, Florida
Physical Form: computer
online resource
Extent: 1 online resource
Language(s): English
Abstract/Description: The variations in the sea breeze are examined both diurnally and interannually along the panhandle of Florida during the boreal summer season. A climatology of sea breeze cross sections is calculated eight times daily between the years 1979 and 2001 to examine diurnal differences. The cross sections are created using very high resolution dynamically downscaled analyses from the NCEP-DOE (R2) and the ECMWF ERA-40 for the southeast U.S. The high resolution downscaled product is validated with other independent observations to show fidelity. Results from these diurnal analyses show that the sea breeze and precipitation peak at 4:00 p.m. The interannual variability of the sea breeze is examined with respect to the Atlantic Warm Pool (AWP). Composites consisting of Climate Prediction Center (CPC) precipitation observations are created based on the size of the AWP. These composites show that the strongest low-frequency signal is a negative anomaly along the panhandle. Therefore, model composite cross sections are primarily along the 30.5°N latitude. The cause of the negative anomaly is related to the subtropical high, which undergoes an eastward shift and a decrease in intensity for large AWP years. These changes in the subtropical high lead to a more cyclonic large-scale low-level flow for large AWP years as Sverdrup vorticity balance indicates. This study finds that this synoptic flow pattern will suppress the sea breeze circulation and lessen precipitation amounts over the panhandle region.
Identifier: FSU_migr_etd-2367 (IID)
Submitted Note: A Thesis Submitted to the Department of Earth, Ocean, and Atmospheric Science in Partial Fulfillment of the Requirements for the Degree of Master of Science.
Degree Awarded: Summer Semester, 2011.
Date of Defense: April 28, 2011.
Keywords: Bermuda High, Atlantic Warm Pool, Sverdrup Vorticity Balance, interannual variations
Bibliography Note: Includes bibliographical references.
Advisory Committee: Vasubandhu Misra, Professor Directing Thesis; James J. O’Brien, Professor Co-Directing Thesis; Henry Fuelberg, Committee Member; Mark Bourassa, Committee Member.
Subject(s): Oceanography
Atmospheric sciences
Meteorology
Persistent Link to This Record: http://purl.flvc.org/fsu/fd/FSU_migr_etd-2367
Owner Institution: FSU

Choose the citation style.
Moeller, L. (2011). Low-Frequency Variations of the Sea Breeze in Florida. Retrieved from http://purl.flvc.org/fsu/fd/FSU_migr_etd-2367