 The last storm of the season was also the most powerful, causing 172 deaths when it struck southeastern Bangladesh.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 agency also utilized a tropical cyclone forecast model that used climatology and a storm's persistence to forecast future movement.