From 8 August 2018, severe floods affected the south Indian state of Kerala, due to unusually high rainfall during the monsoon season. It was the worst flood in Kerala in nearly a century.Over 483 people died, and 14 are missing.About a million people were evacuated, mainly from Chengannur, Pandanad, Edanad, Aranmula, Kozhencherry, Ayiroor, Ranni, Pandalam, Kuttanad, Malappuram,Aluva, Chalakudy, Thiruvalla, Eraviperoor, Vallamkulam, North Paravur, Vypin Island and Palakkad chellanam.All 14 districts of the state were placed on red alert.According to the Kerala government, one-sixth of the total population of Kerala had been directly affected by the floods and related incidents.The Indian government had declared it a Level 3 Calamity, or “calamity of a severe nature”. It is the worst flood in Kerala after the great flood of 99 that took place in 1924.
Thirty-five out of the fifty-four dams within the state were opened, for the first time in history. All five overflow gates of the Idukki Dam were opened at the same time, and for the first time in 26 years 5 gates of the Malampuzha dam of Palakkad were opened. Heavy rains in Wayanad and Idukki have caused severe landslides and have left the hilly districts isolated. The situation was regularly monitored by the National Crisis Management Committee, which also coordinated the rescue and relief operations.