 The India Meteorological Department ( IMD ) in New Delhi – the official Regional Specialized Meteorological Center for the northern Indian Ocean as recognized by the World Meteorological Organization – issued warnings for tropical cyclones developing in the region , using satellite imagery and surface data to assess and predict storms . The basin 's activity is sub @-@ divided between the Arabian Sea and the Bay of Bengal on opposite coasts of India , and is generally split before and after the monsoon season . Storms were also tracked on an unofficial basis by the American @-@ based Joint Typhoon Warning Center . 
