Extremely Severe Cyclonic Storm Mocha was a powerful and deadly tropical cyclone in the North Indian Ocean which affected Myanmar and parts of Bangladesh in May 2023. The second depression and the first cyclonic storm of the 2023 North Indian Ocean cyclone season, Mocha originated from a low-pressure area that was first noted by the India Meteorological Department (IMD) on 8 May. After consolidating into a depression, the storm tracked slowly north-northwestward over the Bay of Bengal, and reached extremely severe cyclonic storm intensity. After undergoing an eyewall replacement cycle, Mocha rapidly strengthened, peaking at Category 5-equivalent intensity on 14 May with winds of 270 km/h (165 mph). Mocha slightly weakened before making landfall, and weakening rapidly once inland, dissipated shortly thereafter, as conditions became unfavorable.
Thousands of volunteers assisted citizens of Myanmar and Bangladesh in evacuating as the cyclone approached the international border. Evacuations were also ordered for low-lying areas in Sittwe, Pauktaw, Myebon, Maungdaw, and Buthidaung. In Bangladesh, over 500,000 individuals were ordered to be relocated from coastal areas of the country due to the storm's approach. Officials from the military declared the state of Rakhine a natural disaster area. Several villages in Rakhine State were also damaged by the cyclone. The death toll for Cyclone Mocha varies significantly. ASEAN reported a total of 145 deaths, whereas the National Unity Gov
Why this event still matters
Historical incidents shape the rules that protect people today — building codes, evacuation policy, warning systems and inspection regimes almost always trace back to a specific disaster. Studying Cyclone Mocha alongside current events is how preparedness improves.
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