Monsoon 2009: a report
The 2009 southwest monsoon recorded the third highest deficient all India southwest monsoon season rainfall (-22% of LPA) during the period 1901-2009. All the monsoon months except July recorded large deficient rainfall. Region wise, except south Peninsula, all other homogeneous regions recorded much below normal rainfall. Activity of depression was below normal with shorter track and life span. Both statistical and dynamical models could not foresee the observed large rainfall deficiency during the season. This monsoon monograph has 10 chapters each of which presents and discusses various important aspects of the 2009 southwest monsoon season including observed regional and global features during the season.