Abstract:A modified set of ECMWF FGGE level 111-b analyses is used to examine the four-dimensional structure of the region containing the South Pacific convergence zone (SPCZ) during a period when two cyclones form in the tropics and propagate south-eastward along the SPCZ into middle latitudes. During this period, 10-18 January 1979, the atmosphere is characterized by a highly baroclinic state which, together with the existence of an upper tropospheric subtropical jet, supports the growth and development of the observ… Show more
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