Abstract: The location of the 500-hPa ridge axis during April over India is one of the most important long-range predictors for the summer monsoon rainfall. This paper presents a comprehensive analysis on its space-time variability ...

Abstract: An all-India summer monsoon rainfall series for the instrumental period of 1844?1991 has been constructed using a progressively increasing station density to 1870, and one that is fixed thereafter at a uniformly distributed ...

Abstract: Banerjee et al. showed for the first time that the number of Indian subdivisions with normal or above-normal monsoon rainfall is related to the location of the April 500-mb ridge along 75°E. Thapliyal brought out the ...