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Proceedings Paper

Rainfall monitoring for the Indian monsoon region from merged gauge, METEOSAT, INSAT and NWP models
Author(s): A. K. Mitra; M. Das Gupta; R. Rao; A. K. Bohra
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Paper Abstract

For study of Asian monsoon, IR based estimates from Kalpana-1, Meteosat-5 and microwave based estimates from TRMM rainfall data are very useful, particularly for the oceanic regions. Satellite only estimates have biases, but are able to represent the large-scale monsoon rainfall features. IR estimates are unable to capture the heavy rain over the west coast of India. Even the TRMM values are underestimating the heavy rainfall over the west coast of India. Inclusion of gauge data (over land and island) improves the representation of daily rainfall. Gauge data corrects the biases in the satellite estimates. The number of gauge stations available in real time is less, and for a better analysis of the large-scale rainfall field at least the full set of 540 stations from India will be very useful. For meso-scale analysis a much denser network of gauge stations will be required. These gauge data will be very useful to correct the current biases in the satellite estimates.

Paper Details

Date Published: 30 November 2006
PDF: 13 pages
Proc. SPIE 6404, Remote Sensing and Modeling of the Atmosphere, Oceans, and Interactions, 640406 (30 November 2006); doi: 10.1117/12.693714
Show Author Affiliations
A. K. Mitra, National Ctr. for Medium Range Weather Forecasting (India)
M. Das Gupta, National Ctr. for Medium Range Weather Forecasting (India)
R. Rao, India Meteorological Department (India)
A. K. Bohra, National Ctr. for Medium Range Weather Forecasting (India)


Published in SPIE Proceedings Vol. 6404:
Remote Sensing and Modeling of the Atmosphere, Oceans, and Interactions
Tiruvalam N. Krishnamurti; B. N. Goswami; Toshiki Iwasaki, Editor(s)

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