Cyclone Nargis storm status. By late on 29 April, convection had begun to rebuild, though immediate restrengthening was prevented by increased wind shear. On 1 May 2008, after turning nearly due eastward, Cyclone Nargis began rapidly intensifying, due to greatly improved outflow aided by an approaching upper-level trough. Strengthening continued as Nargis developed a well-defined eye with a diameter of 19 km (12 mi), and early on 2 May, the JTWC estimated that the cyclone reached peak 1-minute winds of 215 km/h (135 mph), as it approached the coast of Myanmar, making it a Category 4 storm. At the same time, the
May 1997 Bangladesh cyclone May 1997 Bangladesh cyclone The May 1997 Bangladesh cyclone was a powerful storm that caused widespread damage and loss of life throughout Bangladesh. Originating from a near-equatorial trough on May 15, 1997, the cyclone tracked in a general northward direction throughout its existence. The system gradually intensified over the following days, reaching the equivalent of a Category 1 hurricane on the Saffir-Simpson Hurricane Scale by May 17. The following day, the storm attained its peak intensity with winds of 215 km/h (135 mph) according to the JTWC and 165 km/h (105 mph) according to the IMD along with a barometric