Monsoon over India has seen a revival after 2000. But Uttar Pradesh and Bihar are left out. Why? Ramesh Kumar Yadav and Roxy Mathew Koll from the IITM Pune say that the answer may lie in the warming of eastern equatorial Indian Ocean and Rossby gyres.
Researchers from the St Xavier’s College, Mumbai, IIT Bombay and the Bhabha Atomic Research Centre find that the volcanism in Elephanta islands predates the volcanism in Mumbai by more than 3 million years
There are various satellite data products that can help predict rainfall. Which one is best for the purpose? M. Venkatarami Reddy, and Imranali M. Momin from the National Centre for Medium Range Weather Forecasting, and Ashis K. Mitra and D. S. Pai from the India Meteorological Department investigates.