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Pre-monsoon surface pressure and summer monsoon rainfall over India

Bansod, SD and Singh, SV (1995) Pre-monsoon surface pressure and summer monsoon rainfall over India. Theoretical and Applied Climatology, 51 (1-2). pp. 59-66.

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Abstract

The relationship between the surface air pressure field during the pre-monsoon months and the Indian summer monsoon rainfall is analysed using climate data from 105 stations situated in Eurasia between 0°-60° N and 20°-100° E. Moreover, grid-point data for the whole northern hemisphere are used. Pressure during April over an area around 50° N and 35° E is found to show a significant negative correlation with the subsequent monsoon rainfall. During May the pressure over a large part of the study area south of 40° N shows a significant correlation with its highest value in the heat low region over Pakistan. It is assumed that monitoring of pressure variations over this region may be useful in predicting monsoon rainfall, particularly the rainfall during the first half of the season. Certain limitations of the climate data in this region are also discussed.

Item Type: Article
Additional Information: Copyright of this article belongs to Springer-Verlag
Uncontrolled Keywords: monsoon rainfall prediction; summer monsoon rainfall; surface pressure, India
Subjects: Meteorology and Climatology
Depositing User: IITM Library
Date Deposited: 19 May 2015 07:09
Last Modified: 19 May 2015 07:09
URI: http://moeseprints.incois.gov.in/id/eprint/1029

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