When cyclones pass over eddies formed by ocean currents, energy can be transferred between eddies and cyclones. Researchers from IIT Bhubaneswar investigate the dynamics of 60 cyclones from Indian Ocean to elicit the relationships between cyclones and eddies.
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.