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Creator:: de Szoeke, Simon P. and Bretherton, Christopher S.
Abstract:: The atmospheric boundary layer (ABL) along 95°W in the eastern equatorial Pacific during boreal autumn is described using data from the East Pacific Investigation of Climate (EPIC) 2001, with an emphasis on the evolution of the thermodynamic ABL properties from the cold tongue to the cold-advection region north of the...
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Full Text:: Layer from the Cold Tongue to the ITCZ SIMON P. DE SZOEKE AND CHRISTOPHER S. BRETHERTON Department of

Creator:: de Szoeke, Simon P. and Bretherton, C. S.
Abstract:: Using a large eddy simulation (LES), the atmospheric boundary layer (ABL) is numerically modeled along 95°W from 8°S to 4°N during boreal autumn, and compared to observations from the East Pacific Investigation of Climate Processes in the Coupled Ocean–Atmosphere System (EPIC) 2001. Since the local ABL winds are predominantly southerly...
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Full Text:: F T H E A T M O S P H E R I C S C I E N C E S q 2004 American Meteorological Society 1837 Quasi

Creator:: de Szoeke, Simon P. and Bretherton, Christopher S.
Abstract:: During boreal summer and fall, there is a strong southerly boundary layer flow across the equator into the east Pacific intertropical convergence zone (ITCZ). The modulation of this flow on synoptic to seasonal time scales is studied using an index of meridional pressure difference between the equator and the ITCZ...
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Full Text:: * SIMON P. DE SZOEKE International Pacific Research Center, University of Hawaii at Manoa, Honolulu

Creator:: de Szoeke, Simon P. and Xie, Shang-Ping
Abstract:: Warmer SST and more rain in the Northern Hemisphere are observed year-round in the tropical eastern Pacific with southerly wind crossing the equator toward the atmospheric heating. The southerlies are minimal during boreal spring, when two precipitation maxima straddle the equator. Fourteen atmosphere–ocean coupled GCMs from the Coupled Model Intercomparison...
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Full Text:: and Mechanisms in IPCC AR4 Coupled Ocean–Atmosphere General Circulation Models* SIMON P. DE SZOEKE

Creator:: Garay, Michael J., de Szoeke, Simon P., and Moroney, Catherine M.
Abstract:: In order to better understand the general problem of satellite cloud top height retrievals for low clouds, observations made by NOAA research vessels in the stratocumulus region in the southeastern Pacific during cruises in 2001 and 2003 to 2006 were matched with near-coincident retrievals from the Moderate Resolution Imaging Spectroradiometer...
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Creator:: Zuidema, Paquita, Painemal, David, de Szoeke, Simon P., and Fairall, Chris
Abstract:: A depth-dependent boundary layer lapse rate was empirically deduced from 156 radiosondes released during six month-long research cruises to the southeast Pacific sampling a variety of stratocumulus conditions. The lapse-rate dependence on boundary layer height is weak, decreasing from a best fit of 7.6 to 7.2 K km⁻¹ as the...
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Full Text:: Atmospheric Sciences, University of Miami, Miami, Florida SIMON DE SZOEKE CIRES/University of Colorado

Creator:: de Szoeke, Simon P., Fairall, C. W., and Pezoa, Sergio
Abstract:: In October 2007 the NOAA ship Ronald H. Brown sailed southward within 300 km of the coast of Ecuador and Peru, sampling surface meteorology, air–sea turbulent and radiative fluxes, cloud properties, and upper-air soundings from the equator to 20°S. Two distinct water masses characterize the coastal region: cold-pool water below...
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Full Text:: equatorial water significantly. Winds blow parallel to the shore, about 5 m s21 over the cold pool and 7 m

Creator:: de Szoeke, Simon P., Wang, Yuqing, Xie, Shang-Ping, and Miyama, Toru
Abstract:: Shallow cumulus convection evaporates stratocumulus clouds in the atmospheric boundary layer. The effect of shallow convection on the large-scale climate of the eastern tropical Pacific is investigated with a coupled ocean-atmosphere model by disabling the shallow convection parameterization (noSC). Without shallow convection, the stratiform cloud fraction increases and surface solar...
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Full Text:: in a coupled model Simon P. de Szoeke,1 Yuqing Wang,1 Shang-Ping Xie,1 and Toru Miyama2 Received

Creator:: Small, Richard Justin O., de Szoeke, Simon P., and Xie, Shang-Ping
Abstract:: The midsummer drought (MSD) is a diminution in rainfall experienced during the middle of the rainy season in southern Mexico and Central America, as well as in the adjacent Caribbean, Gulf of Mexico, and eastern Pacific seas. The aim of this paper is to describe the regional characteristics of the...
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Full Text:: Large-Scale Forcing* RICHARD JUSTIN O. SMALL AND SIMON P. DE SZOEKE International Pacific Research

Creator:: de Szoeke, Simon P., Xie, Shang-Ping, Miyama, Toru, Richards, Kelvin J., and Small, R. Justin O.
Abstract:: A coupled ocean–atmosphere regional model suggests a mechanism for formation of a sharp sea surface temperature (SST) front north of the equator in the eastern Pacific Ocean in boreal summer and fall. Meridional convergence of Ekman transport at 5°N is forced by eastward turning of the southeasterly cross-equatorial wind, but...
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Full Text:: Equatorial Cold Tongue?* SIMON P. DE SZOEKE AND SHANG-PING XIE International Pacific Research Center

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