This is a list of notable recorded floods that have occurred in India. Floods are the most common natural disaster in India. The heaviest southwest, the Brahmaputra, and other rivers to distend their banks, often flooding surrounding areas. [ citation needed ]
The flood affected various parts of the city, including the old city, the civil lines, the cantonment, and the main shopping centre. It also caused damage to the electricity supply, the zoological gardens, and many historical monuments. Elephants, bicycle rickshaws, and boats were used as means of transport in the flooded areas. The government deployed army units and helicopters to rescue the marooned people and provide relief materials. The water level dropped very slowly and no estimate was made of the total damage. The flood also coincided with a tidal wave that ravaged the mouth of the Ganges in Bangladesh, killing more than 3,000 people on 16 October 1960. The Gomti River, on which Lucknow is situated, is a northern tributary of the Ganges River. [3]
The flood submerged many parts of the city under three or four feet (one to 1.2 metres) of water, affecting the main shopping area, some fashionable residential areas, and the zoological gardens. The flood also disrupted the electricity supply, the communication and transportation systems, and the public health and safety. At least 13 deaths due to drowning were reported from Uttar Pradesh on September 7, taking the death toll in two months of rains and flooding in the state to 268. In Lucknow itself, a quarter of the city's area was under water on September 8. The government deployed army and civilian engineers to plug the breaches in the embankment and rescue the marooned people. More than 25,000 people were evacuated from the city in 24 hours and housed in 18 camps opened by the state government. Elephants, boats, and helicopters were used as means of transport and relief in the flooded areas. The flood also affected the animals in the Lucknow Zoo, some of which had to be placed on raised platforms or protected by sandbags and boulders. [4]
Climate change is said to have in part caused (but may also be a natural evolution of earth's cycle) large-scale floods across central India, including the Mumbai floods of 2006 and 2017. During 1901–2015, there has been a three-fold rise in widespread extreme rainfall events across central and northern India – Gujarat, Maharashtra, Madhya Pradesh, Chhattisgarh, Telangana, Odisha, Jharkhand, Assam and parts of Western Ghats – Goa, north Karnataka and South Kerala. [24] The rising number of extreme rain events are attributed to an increase in the fluctuations of the monsoon westerly winds, due to increased warming in the Arabian Sea. This results in occasional surges of moisture transport from the Arabian Sea to the subcontinent, resulting in heavy rains lasting for 2–3 days, and spread over a region large enough to cause floods. [24] [25]
The 2005 North Indian Ocean cyclone season caused much devastation and many deaths in Southern India despite the storms’ weakness. The basin covers the Indian Ocean north of the equator as well as inland areas, sub-divided by the Arabian Sea and the Bay of Bengal. Although the season began early with two systems in January, the bulk of activity was confined from September to December. The official India Meteorological Department tracked 12 depressions in the basin, and the unofficial Joint Typhoon Warning Center (JTWC) monitored two additional storms. Three systems intensified into a cyclonic storm, which have sustained winds of at least 63 km/h (39 mph), at which point the IMD named them.
The 1970 North Indian Ocean cyclone season had no bounds, but tropical cyclones in the North Indian Ocean tend to form between April and December, with peaks in May and November. The 1970 season saw a total of seven cyclonic storms, of which three developed into severe cyclonic storms. The Bay of Bengal was more active than the Arabian Sea during 1970, with all of the three severe cyclonic storms in the season forming there. Unusually, none of the storms in the Arabian Sea made landfall this year. The most significant storm of the season was the Bhola cyclone, which formed in the Bay of Bengal and hit Bangladesh on November 12. The storm killed at least 500,000, making it the deadliest tropical cyclone in recorded history. The season was also the deadliest tropical cyclone season globally, with 500,805 fatalities, mostly due to the aforementioned Bhola cyclone.
The 2008 Indian floods were a series of floods in various states of India during the 2008 monsoon season. The floods mostly affected the western regions of Maharashtra state and Andhra Pradesh as well as northern Bihar. In India, the monsoon season generally lasts from June to September.
The climate of Uttar Pradesh (U.P.) is primarily defined as humid subtropical with dry winter (Cwa) type with parts of Western U.P. as hot semi-arid (BSh) type. Alternatively, some authors refer to it as tropical monsoon. Variations do exist in different parts of the large state, however the uniformity of the vast Indo-Gangetic Plain forming bulk of the state gives a predominantly single climatic pattern to the state with minor regional variations. U.P. has a climate of extremes. With temperatures fluctuating anywhere from 0 °C or 32 °F to 50 °C or 122 °F in several parts of the state and cyclical droughts and floods due to unpredictable rains, the summers are extremely hot, winters are cold and the rainy season can be either very wet or very dry.
The 2015 South India floods resulted from heavy rainfall generated by the annual northeast monsoon in November–December 2015. They affected the Coromandel Coast region of the South Indian states of Tamil Nadu and Andhra Pradesh. More than 500 people were killed and over 1.8 million people were displaced. With estimates of damages and losses ranging from nearly ₹200 billion (US$3 billion) to over ₹1 trillion (US$13 billion), the floods were the costliest to have occurred in 2015, and were among the costliest natural disasters of the year.
Following heavy rain in July 2017, the Indian state of Gujarat was affected by severe flooding. The floods were reported to have caused total 224 deaths between 1 June and 31 July 2017. 16 people had died in neighbouring Rajasthan state by 31 July.
Following heavy rain in July and August 2017, the Indian state of West Bengal was affected by severe flooding. The floods were reported to have caused 50 deaths since 1 August and 8 deaths in the neighbouring state of Jharkhand.
Widespread monsoon flooding occurred in the South Asian countries of Afghanistan, Bangladesh, India, Nepal and Pakistan from July through September 2017. More than 45 million people were affected by the floods, including 16 million children.
The Brahmaputra floods refers to a catastrophic flood event that occurred in 2012 along the Brahmaputra River and its tributaries, as well as in subsequent years.
In mid-March 2019, monsoonal downpours caused widespread flooding and landslides across South Asia.
The 1968 North Indian Ocean cyclone season was an active cyclone season. Cyclone seasons in the Northern Indian Ocean have no official bounds, but cyclones tend to form between April and December, with peaks in May and November. These dates conventionally determine the period of each year when most tropical cyclones form in the basin. There are two main seas in the North Indian Ocean—the Bay of Bengal to the east of the Indian subcontinent, and the Arabian Sea to the west of India. The official Regional Specialized Meteorological Centre in this basin is the India Meteorological Department (IMD), while the Joint Typhoon Warning Center releases unofficial advisories. An average of four to six storms form in the North Indian Ocean every season. Cyclones occurring between the meridians 45°E and 100°E are included in the season by the IMD.
Due to heavy rain in July–August 2019, the city of Vadodara and its administrative district in the Indian state of Gujarat were affected by severe flooding. On 31 July 2019, nearly 50 cm of rain fell on Vadodara within 12 hours, with 424mm recorded in one 6 hour period. As a result, the nearby Vishwamitri River rose to 1 metre below the danger line and the Ajwa dam overflowed, flooding the city.
The 2019 Indian floods were a series of floods that affected over thirteen states in late July and early August 2019, due to excessive rains. At least 200 people died and about a million people were displaced. Karnataka and Maharashtra were the most severely affected states. People died but many were rescued with the help of the Indian Navy.
Beginning in May 2022, deadly floods hit north eastern India and Bangladesh. Over 9 million people in both countries have been affected, and around 300 people have been killed.
From January to October 2022, excessive rainfall and widespread monsoon flooding occurred in the South Asian countries of Afghanistan, Bangladesh, India, Nepal, Pakistan, and Sri Lanka. It has become the region's deadliest floods since 2020, with over 3,700 people dead.
The 2022 Odisha floods were a series of floods in Odisha, which lasted from 14 August 2022 to 7 September 2022.
Heavy rainfall during the 2023 monsoon season resulted in severe flooding and landslides across Northern India, primarily affecting residents in Himachal Pradesh, Punjab, Chandigarh, Uttarakhand, Jammu and Kashmir, Haryana, Rajasthan and Delhi.
Lucknow is a city in the state of Uttar Pradesh, India. It is located on the banks of the Gomti River, which is a tributary of the Ganges River. Lucknow has a history of being affected by floods due to heavy rainfall, river overflow, and breaches in the embankments.
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