The influence of the Atlantic Warm Pool on the Florida panhandle sea breeze
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Material Information

Title:
The influence of the Atlantic Warm Pool on the Florida panhandle sea breeze
Series Title:
Journal of Geophysical Research Volume 116
Creator:
Vasubandhu Misra
Lauren Moeller
Lydia Stefanova
Steven Chan
James J. O'Brien
Thomas J. Smith III
Nathaniel Plant
Affiliation:
Florida State University -- Department of Earth, Ocean and Atmospheric Science
Florida State University -- Department of Earth, Ocean and Atmospheric Science
Florida State University -- Center for Ocean-Atmospheric Prediction Studies
Florida State University -- Center for Ocean-Atmospheric Prediction Studies
Florida State University -- Center for Ocean-Atmospheric Prediction Studies
U.S. Geological Survey -- Southeast Ecological Science Center
U.S. Geological Survey -- St. Petersburg Coastal and Marine Science Center
Publication Date:
Language:
English

Notes

Abstract:
In this paper we examine the variations of the boreal summer season sea breeze circulation along the Florida panhandle coast from relatively high resolution (10 km) regional climate model integrations. The 23 year climatology (1979–2001) of the multidecadal dynamically downscaled simulations forced by the National Centers for Environmental Prediction–Department of Energy (NCEP‐DOE) Reanalysis II at the lateral boundaries verify quite well with the observed climatology. The variations at diurnal and interannual time scales are also well simulated with respect to the observations. We show from composite analyses made from these downscaled simulations that sea breezes in northwestern Florida are associated with changes in the size of the Atlantic Warm Pool (AWP) on interannual time scales. In large AWP years when the North Atlantic Subtropical High becomes weaker and moves further eastward relative to the small AWP years, a large part of the southeast U.S. including Florida comes under the influence of relatively strong anomalous low‐level northerly flow and large‐scale subsidence consistent with the theory of the Sverdrup balance. This tends to suppress the diurnal convection over the Florida panhandle coast in large AWP years. This study is also an illustration of the benefit of dynamic downscaling in understanding the low‐frequency variations of the sea breeze. ( English )

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Source Institution:
Florida International University
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