}}
On 16 August 2018, severe [[flood]]s affected the [[south India]]n state [[Kerala]], due to unusually heavy rainfall during the [[monsoon season]].<ref>{{Cite web |date=28 August 2018 |title=Kerala Floods 2018 Video |url=https://www.manoramaonline.com/videos/video-featured.kerala-floods.5827677602001.html |url-status=live |archive-url=https://web.archive.org/web/20180901113113/https://www.manoramaonline.com/videos/video-featured.kerala-floods.5827677602001.html |archive-date=1 September 2018}}</ref><ref name=":0" /><ref>{{Cite journal |last=Hunt |first=Kieran M. R. |last2=Menon |first2=Arathy |date=1 February 2020 |title=The 2018 Kerala floods: a climate change perspective |journal=Climate Dynamics |language=en |volume=54 |issue=3 |pages=2433–2446 |bibcode=2020ClDy...54.2433H |doi=10.1007/s00382-020-05123-7 |issn=1432-0894 |s2cid=210715907 |doi-access=free}}</ref> It was the worst flood in Kerala in nearly a century.<ref>{{Cite news |last=Baynes |first=Chris |date=15 August 2018 |title=Worst floods in nearly a century kill 44 in India's Kerala state amid torrential monsoon rains.New report suggests thet this will continue every year the rest 100 years |work=[[The Independent]] |url=https://www.independent.co.uk/news/world/asia/india-worst-floods-flooding-death-monsoon-rain-dead-kerala-kochi-a8493011.html |url-status=live |access-date=12 August 2011 |archive-url=https://web.archive.org/web/20180815204029/https://www.independent.co.uk/news/world/asia/india-worst-floods-flooding-death-monsoon-rain-dead-kerala-kochi-a8493011.html |archive-date=15 August 2018}}</ref> Over 483 people died, and 14 went missing.<ref name="indianexpress.com">{{Cite web |date=30 August 2018 |title=483 dead in Kerala floods and landslides, losses more than annual plan outlay: Pinarayi Vijayan |url=https://indianexpress.com/article/india/483-dead-in-kerala-floods-and-landslides-losses-more-than-annual-plan-outlay-pinarayi-vijayan-5332306/ |access-date=2 September 2018 |archive-date=16 September 2018 |archive-url=https://web.archive.org/web/20180916065101/https://indianexpress.com/article/india/483-dead-in-kerala-floods-and-landslides-losses-more-than-annual-plan-outlay-pinarayi-vijayan-5332306/ |url-status=live }}</ref> About ten lakh (aone million)<ref name=":5">{{Cite web |title=National Disaster Management Authority on Twitter |url=https://twitter.com/ndmaindia/status/1031796290219257857 |access-date=22 August 2018 |archive-date=7 January 2019 |archive-url=https://web.archive.org/web/20190107043039/https://twitter.com/ndmaindia/status/1031796290219257857 |url-status=live }}</ref><ref>{{Cite news |last=Babu |first=Gireesh |date=17 August 2018 |title=Monsoon havoc in Kerala: 324 lives lost since May 29, says CM Vijayan |work=Business Standard India |url=https://www.business-standard.com/article/current-affairs/monsoon-havoc-in-kerala-324-lives-lost-since-may-29-says-cm-vijayan-118081701276_1.html |url-status=live |access-date=18 August 2018 |archive-url=https://web.archive.org/web/20180817202209/https://www.business-standard.com/article/current-affairs/monsoon-havoc-in-kerala-324-lives-lost-since-may-29-says-cm-vijayan-118081701276_1.html |archive-date=17 August 2018}}</ref> people were evacuated, mainly from [[Chengannur]],<ref>{{Cite web |title=Flood hit over Chengannur |url=https://www.newindianexpress.com/thesundaystandard/2018/aug/18/kerala-floods-horror-and-heartache-at-chengannur-1859525.html |url-status=live |archive-url=https://web.archive.org/web/20180823024513/http://www.newindianexpress.com/thesundaystandard/2018/aug/18/kerala-floods-horror-and-heartache-at-chengannur-1859525.html |archive-date=23 August 2018}}</ref> [[Pandanad]],<ref>{{Cite web |title=Attempts to rescue people in Pandanad, continue |url=https://tv.mathrubhumi.com/en/news/kerala/attempts-to-rescue-people-in-pandanad-chengannur-continue-1.1203 |url-status=live |archive-url=https://web.archive.org/web/20180821095433/https://tv.mathrubhumi.com/en/news/kerala/attempts-to-rescue-people-in-pandanad-chengannur-continue-1.1203 |archive-date=21 August 2018}}</ref> [[Edanad]], [[Aranmula]], [[Kozhencherry]], [[Ayiroor, Pathanamthitta|Ayiroor]], [[Ranni, Kerala|Ranni]], [[Pandalam]], [[Kuttanad]], [[Malappuram]], [[Aluva]], [[Chalakudy]], [[Thrissur]], [[Thiruvalla]], [[Eraviperoor]], [[Vallamkulam]], [[North Paravur]], [[Chendamangalam]], [[Chellanam]], [[Vypin Island]], and [[Palakkad]]. All 14 [[List of districts in Kerala|districts]] of the state were placed on red alert.<ref name=":0">{{Cite news |title=Kerala floods live updates: Death toll rises to 79; Kochi airport to remain closed till August 26 |work=Times of India |url=https://timesofindia.indiatimes.com/city/kochi/kerala-floods-live-updates-more-ndrf-teams-rushed-to-kerala-as-flood-situation-worsens/liveblog/65403405.cms |url-status=live |access-date=16 August 2018 |archive-url=https://web.archive.org/web/20180816054252/https://timesofindia.indiatimes.com/city/kochi/kerala-floods-live-updates-more-ndrf-teams-rushed-to-kerala-as-flood-situation-worsens/liveblog/65403405.cms |archive-date=16 August 2018}}</ref><ref>{{Cite news |date=16 August 2018 |title=Death toll soars in India monsoon floods |language=en-GB |work=BBC News |url=https://www.bbc.com/news/world-asia-india-45216671 |url-status=live |access-date=17 August 2018 |archive-url=https://web.archive.org/web/20180816235049/https://www.bbc.com/news/world-asia-india-45216671 |archive-date=16 August 2018}}</ref> According to the Kerala government, one-sixth of the total population of Kerala had been directly affected by the floods and related incidents.<ref name="The Times of India">{{Cite news |title=Sudden water release by Tamil Nadu from Mullaperiyar a reason for deluge: Kerala to SC |work=The Times of India |url=https://timesofindia.indiatimes.com/india/sudden-water-release-by-tamil-nadu-from-mullaperiyar-a-reason-for-deluge-kerala-to-sc/articleshow/65519730.cms |url-status=live |access-date=23 August 2018 |archive-url=https://web.archive.org/web/20180823220553/https://timesofindia.indiatimes.com/india/sudden-water-release-by-tamil-nadu-from-mullaperiyar-a-reason-for-deluge-kerala-to-sc/articleshow/65519730.cms |archive-date=23 August 2018}}</ref> The [[Government of India|Indian government]] had declared it a Level 3 Calamity, or "calamity of a severe nature".<ref>{{Cite news |last=Raghavan |first=T. c a Sharad |date=20 August 2018 |title=Calamity of a severe nature |language=en-IN |work=The Hindu |url=https://www.thehindu.com/news/national/the-hindu-explains-calamity-of-a-severe-nature/article24739342.ece |access-date=24 August 2018 |issn=0971-751X |archive-date=11 September 2020 |archive-url=https://web.archive.org/web/20200911041050/https://www.thehindu.com/news/national/the-hindu-explains-calamity-of-a-severe-nature/article24739342.ece |url-status=live }}</ref><ref>{{Cite web |date=21 August 2018 |title=Centre declares Kerala floods 'Level-3' calamity; demand to call it 'national disaster' either ignorance or mischief – Firstpost |url=https://www.firstpost.com/india/centre-declares-kerala-floods-level-3-calamity-demand-to-call-it-national-disaster-amounts-to-ignorance-or-mischief-5011141.html |url-status=live |archive-url=https://web.archive.org/web/20180825085316/https://www.firstpost.com/india/centre-declares-kerala-floods-level-3-calamity-demand-to-call-it-national-disaster-amounts-to-ignorance-or-mischief-5011141.html |archive-date=25 August 2018 |access-date=24 August 2018 |website=www.firstpost.com}}</ref> It is the worst flood in Kerala after the [[great flood of 99]] that took place in 1924.
35<ref name=":15">{{Cite news |title=Kerala floods live updates: 35 dams opened, death toll rises to 67 |language=en |work=The News Minute |url=https://www.thenewsminute.com/article/live-updates-33-dams-opened-kerala-floods-wreak-havoc-86598 |access-date=16 May 2020 |archive-date=11 September 2020 |archive-url=https://web.archive.org/web/20200911034324/https://www.thenewsminute.com/article/live-updates-33-dams-opened-kerala-floods-wreak-havoc-86598 |url-status=live }}</ref> out of the 54<ref name="spb">{{Cite web |title=Water Resources |url=http://spb.kerala.gov.in/ER2017/web_e/ch26.php?id=2&ch=26 |url-status=live |archive-url=https://web.archive.org/web/20180829000147/http://spb.kerala.gov.in/ER2017/web_e/ch26.php?id=2&ch=26 |archive-date=29 August 2018 |access-date=28 August 2018 |website=ECONOMIC REVIEW 2017 |publisher=State Planning Board, Kerala}}</ref> [[List of dams and reservoirs in Kerala|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; for the first time in 26 years, five gates of the [[Malampuzha Dam|Malampuzha dam]] of [[Palakkad]]
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