Wednesday, 24 May 2000: 8:00 AM
We compare a 23-year record of OLR, a measure of convection, to
meteorological parameters near the tropopause from the NCEP reanalysis
data set. We focus on tropopause height and the lower stratospheric to
upper tropospheric zonal wind shear. Do these parameters correlate well
with OLR? A higher tropopause would allow for deeper convection (lower
OLR) as would weaker shear. We also compare the 17-year Highly Reflective
Cloud (HRC) data set with tropopause height and zonal wind shear. We
analyze quantities averaged over vast regions of the tropics as well as
gridded data which contain information on spatial variability.
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