Cyclone Nargis though after beginning a steady eastward motion, Nargis rapidly intensified to attain peak winds of at least 165 km/h (105 mph) on 2 May, according to IMD observations; the JTWC assessed peak winds of 215 km/h (130 mph), making it a weak Category 4 cyclone on the SSHS. The cyclone moved ashore in the Ayeyarwady Division of Myanmar at peak intensity and, after passing near the major city of Yangon (Rangoon), the storm gradually weakened until dissipating near the border of Myanmar and Thailand. Nargis is the deadliest named cyclone in the North Indian Ocean Basin, as well as the
Diamond Island (Myanmar) In recent years the loss of mangroves has reduced turtle nesting sites. Cyclone Nargis, 2–3 May 2008, also damaged turtle nests and nesting sites. In 1801 the British merchant ship "Mermaid" wrecked on a rock some miles from the island. On 7 November 1808 the East Indiaman did so also. A communications station, now closed, was established there. The station in 1908 was in radio contact with the Andaman Islands and had a telegraph connection to Bassein (now Pathein). During World War II, in January 1942 the river steamer evacuated the British radio operators on the island. On 6 March