Interaction of upper westerly waves with intertropical convergence zone and their effect on the weather over Zambia during the rainy season

Authors

  • S. Kumar

DOI:

https://doi.org/10.54302/mausam.v30i4.3074

Keywords:

westerly waves, Intertropical convergence zone, general circulation

Abstract

Intertropical convergence zone (ITCZ) is normally established over central Africa between 10 degree south and 20 degree South during southern hemispheric  summer season and is the main feature of general circulation responsible for the rainfall over this region. The eastward  mov'ing  upper level troughs in the westerlies have a considerable influence on the systems in the lower level easterlies and thus directly or indirectly affect the rainfall patterns over the central Africa .

In the present study the various types of interactions between upper westerly waves  and inter tropical convergence zone that  are noticed on examination of five year of syno ptic cha r ts have been discussed and illustrated by presenting typical case studies. A climatology of the movement and northwardexten sion of rhe westerly trough over the region is also presented.

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Published

01-10-1979

How to Cite

[1]
S. Kumar, “Interaction of upper westerly waves with intertropical convergence zone and their effect on the weather over Zambia during the rainy season”, MAUSAM, vol. 30, no. 4, pp. 423–438, Oct. 1979.

Issue

Vol. 30 No. 4 (1979): MAUSAM

Section

Research Papers

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