The Indian Meteorological Department (IMD) has predicted cyclone 'Mocha' of turning into a severe cyclone by May 14. "#CycloneMocha will convert into a severe storm on May 12 & a very severe cyclone on May 14, as per the predictions," said Gurminder Singh, Commandant, 2nd Battalion, NDRF. Cyclone Mocha: NDRF Deploys Eight Teams, 200 Rescuers in West Bengal’s Digha After IMD Warns of Severe Storm.