THE 500 HPA SUB-TROPICAL ANTICYCLONE DURING APRIL AND MAY 1988 AND THE WEATHER OVER INDIA

Authors

  • RANJIT SINGH

DOI:

https://doi.org/10.54302/mausam.v44i1.3742

Keywords:

500 hPa ridge, Indian weather, Mean April, May position, Monsoon rainfall

Abstract

The sub-tropical ridge at 500 hPa in April has a considerable synoptic scale fluctuation. In April 1988, it showed a steady southward displacement to the equator. In May 1988, a fresh sub-tropical anticyclone formed in northern latitudes by the anticyclonic recut-mg of the dry northwesterlies of extra-tro-pical origin. By extending southward the northerlies ushered a dry spell extensively to the south of the sub-tropical ridge (STR). This was an event contrary to the normal northward progress of equatorial weather belt and the STR. Thus the mean April 500 hPa ridge does not provide a logical parameter for long range forecast-ing of the southwest (SW) monsoon rainfall over India.

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Published

01-01-1993

How to Cite

[1]
R. . SINGH, “THE 500 HPA SUB-TROPICAL ANTICYCLONE DURING APRIL AND MAY 1988 AND THE WEATHER OVER INDIA”, MAUSAM, vol. 44, no. 1, pp. 23–28, Jan. 1993.

Issue

Vol. 44 No. 1 (1993): Mausam

Section

Shorter Contribution

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