Cyclone Nargis It is the costliest storm in the Indian Ocean cyclone basin. The exact death toll from Nargis will likely never be known, but it was most likely one of the deadliest tropical cyclones in recorded history. Several international organisations have been approved to work within the country (either before or after) or otherwise supporting relief efforts: The Irrawaddy Delta is such a fertile area for rice growing that it was known as the "rice bowl" of the British Empire. Production was high enough that Myanmar could feed its citizens a high amount of rice (by the standards of Asia) with
Cyclone Nargis of low vertical wind shear, before it was classified as a depression by the India Meteorological Department early on 27 April. Initially, the depression moved westward and was classified as a deep depression by the IMD, before the United States Joint Typhoon Warning Center (JTWC) initiated advisories and classified the storm as Tropical Cyclone 01B later that day. The system subsequently started to move north-westwards under the steering influence of an anticyclone and an upper level ridge of high pressure. At 0000 UTC, 5:30 AM Indian Standard Time, on 28 April, the IMD upgraded the system to Cyclonic Storm Nargis,