The main objective of this note is to affirm that if trend of all-India rainfall, 4 weeks in advance is the sought objective, then this is achievable; in particular, this applies to the Indian summer monsoon 2012. (Correspondence)
Francis and Gadgil1 have made many interesting correlations of meteorological variables and events, and have proposed that unfavourable SST (sea surface temperature) gradient between the Bay of Bengal and EEIO (eastern equatorial Indian ocean) led to the large deficit of monsoon rainfall in 2009.