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Monsoon onset over Kerala and pre monsoon rainfall peak

DRS at CSIR-National Institute of Oceanography

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Title Monsoon onset over Kerala and pre monsoon rainfall peak
 
Creator RameshKumar, M.R.
Shenoi, S.S.C.
Shankar, D.
 
Subject meteorology
monsoon
climatology
meteorological data
correlation
rainfall
 
Description In the present study the pentad Global Precipitation Climatology Project (GPCP) estimate have been used, which is a blended product of microwave, infrared and in-situ gauge data for the region bounded by 8 degrees - 13 degrees N; 70 degrees - 95 degrees E, from 1st March to 31 May for the years 1979 to 2001. The monsoon onset dates over Kerala, as declared by India Meteorological Department has been used in the present study. For each year, the midday of the pentad with the rainfall peak was looked for in the period from 1st April to 10th May and identified as the Pre Monsoon Rainfall Peak (PMRP). The analysis showed that PMRP exists about seven pentads prior to the onset of the monsoon over Kerala coast. The correlation between PMRP date and the monsoon onset date over Kerala was found to be 0.72, which was statistically significant. Thus, as is felt that the pre monsoon rainfall estimate from the satellite data can be used for predicting the monsoon onset over Kerala coast. The results and the methodology used are briefly presented
 
Date 2008-07-02T07:32:24Z
2008-07-02T07:32:24Z
2004
 
Type Conference Article
 
Identifier Proceedings of the National Symposium METOC - 2004 on Emerging Trends in the Fields of Oceanography and Meteorology, 05-06 February 2004, 305-307p.
http://drs.nio.org/drs/handle/2264/1183
 
Language en
 
Rights Copyright [2004]. It is tried to respect the rights of the copyright holders to the best of the knowledge. If it is brought to our notice that the rights are violated then the item would be withdrawn.
 
Publisher School of Naval Oceanology and Meteorology, India