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The 1991 Bangladesh cyclone was among the deadliest tropical cyclones on record. On the night of 29...

The 1991 Bangladesh cyclone was among the deadliest tropical cyclones on record. On the night of 29 April 1991 a powerful tropical cyclone struck the Chittagong district of southeastern Bangladesh with winds of around 250 km/h (155 mph). The storm forced a 6 metre (20 ft) storm surge inland over a wide area, killing at least 138,000 people and leaving as many as 10 million homeless. An area of persistent cloudiness, in part due to the monsoon trough, developed into a tropical depression on April 22 in the Bay of Bengal. The wind speed and overall size increased, with the depression becoming Tropical Storm 02B on the 24th. The enormous wind field at the time encompassed nearly the entire Bay. The tropical storm continued slowly northwestward, slowly strengthening to a cyclone-strength storm on the 27th. The cyclone moved between a high pressure system to its northwest and east, and as mid-level westerlies met up with the storm, the cyclone moved northeastward. The westerlies enhanced upper level outflow, and in combination with warm water temperatures the cyclone steadily strengthened to a major hurricane on the 28th. On the 28th and 29th, as the system increased its speed to the