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Conserved Variable Analysis of the Convective Boundary Layer Thermodynamic Structure over the Tropical Oceans

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  • 1 West Pawlet, VT 05775
  • | 2 Department of Meteorology, Pennsylvania State University, University Park, PA 16802
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Abstract

An analysis of FGGE dropwindsonde data using conserved thermodynamic variables shows mixing line structures for the convective boundary layer over the equatorial Pacific. Deeper boundary layers show a double structure. Reversals of the gradients of mixing ratio and equivalent potential temperature above the boundary- layer top are present in all the averages and suggest that the origin of the air sinking into the boundary layer needs further study.

Abstract

An analysis of FGGE dropwindsonde data using conserved thermodynamic variables shows mixing line structures for the convective boundary layer over the equatorial Pacific. Deeper boundary layers show a double structure. Reversals of the gradients of mixing ratio and equivalent potential temperature above the boundary- layer top are present in all the averages and suggest that the origin of the air sinking into the boundary layer needs further study.

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