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A flood is an overflow of water that submerges land that is usually dry. In the sense of "flowing water", the word may also be applied to the inflow of the tide. Floods are an area of study of the discipline hydrology and are of significant concern in agriculture, civil engineering and public health.
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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.
Floods in the United States are generally caused by excessive rainfall, excessive snowmelt, and dam failure. Below is a list of flood events that were of significant impact to the country during the 20th century, from 1900 through 1999, inclusive.
Floods in the United States (2000–present) is a list of flood events which were of significant impact to the country during the 21st century, since 2000. Floods are generally caused by excessive rainfall, excessive snowmelt, storm surge from hurricanes, and dam failure.
Pakistan's climate varies from a continental type of climate in the north, a mountainous dry climate in the west (Baluchistan), a wet climate in the East (Punjab) an arid climate in the Thar Desert, to a tropical climate in the southeast (Sindh), characterized by extreme variations in temperature, both seasonally and daily, because it is located on a great landmass barely north of the Tropic of Cancer.
Severe Cyclonic Storm Aila was the second named tropical cyclone of the 2009 North Indian Ocean cyclone season. Warned by both the Regional Specialized Meteorological Center (RMSC) and Joint Typhoon Warning Center (JTWC), Aila formed over a disturbance over the Bay of Bengal on May 23, 2009 and started to intensify and organize reaching sustained wind speeds of 110 kmh (70 mph). It was the worst natural disaster to affect Bangladesh since Cyclone Sidr in November 2007. A relatively strong tropical cyclone, it caused extensive damage in India and Bangladesh.
The 2011 China floods were a series of floods from June to September 2011 that occurred in central and southern parts of the People's Republic of China. They were caused by heavy rain that inundated portions of 12 provinces, leaving other provinces still suffering a prolonged drought, and with direct economic losses of nearly US$6.5 billion.
Typhoon Judy of July 1989 was a strong tropical cyclone that caused extensive damage and loss of life in Japan, South Korea and the eastern Soviet Union. Originating from a monsoon trough on July 21, Judy began as a tropical depression west of the Northern Mariana Islands. Tracking west-northwest, the system gradually intensified into a tropical storm and was given the name Judy on July 23. By this time, the storm had turned due north. Two days later, Judy attained typhoon status as it began a gradual turn to the west-northwest. Late on July 25, the storm peaked with winds of 165 km/h (105 mph). Striking Kyushu on July 27, interaction with the island's mountainous terrain caused Judy to quickly weaken as it neared South Korea. The weakened storm struck the country west of Pusan the following day before losing its identity near the border with North Korea. The remnants of Judy were last noted over the Sea of Japan.
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.
At least 30 tropical cyclones have affected the Southern African mainland. Three southeastern African countries border the Indian Ocean – Tanzania, Mozambique, and South Africa. Other inland countries also experience the effects of tropical cyclones, including Botswana, Eswatini, Lesotho, Malawi, Namibia, Zambia, and Zimbabwe.
The 2020 East Africa floods were a natural disaster in Rwanda, Kenya, Somalia, Burundi, Ethiopia, Uganda, Democratic Republic of Congo, Djibouti and Tanzania, affecting at least 700,000 people. They began when excessive rains began falling in March, leading to massive flooding and landslides. They caused more than 430 deaths, notably in Kenya and Rwanda. In the fall another round of floods hit the African Sahel.
Hispaniola is an island in the Caribbean, with the second largest size throughout all of the Caribbean. Throughout the centuries, since reliable records began, hundreds of hurricanes and tropical cyclones have affected Haiti and the Dominican Republic, the two countries that share the island. The most recent tropical cyclone to affect Hispaniola was Hurricane Franklin in August 2023.
The Korean Peninsula is a peninsula region located over Eastern Asia. The region is divided into North Korea and South Korea.
The 2021 floods and landslides in Sri Lanka are flash floods and mudslides which were caused from heavy torrential rainfalls during May and June 2021. As of 7 June 2021; the monsoon floods affected in about 10 districts, killing at least 17 persons including about 10 because of floods and 4 people because of mudslides. About 245,000 people were affected living in Colombo, Puttalam, Kandy, Kalutara, Kurunegala, Gampaha, Nuwara Eliya, Ratnapura and Galle. More than 800 houses were reported to have been damaged.
In 2021, Niger has been affected by subsequent floods due to heavy rains, causing several deaths and widespread damage nationwide. Niamey is the most affected area. At least 62 people died, 60 were injured and 105,690 individuals have been affected by the floods. Most fatalities were reported in Maradi Region with 18 deaths.
Korea has historically suffered several floods due to heavy rains, typhoons, and heavy snowfalls. Most of the flood damage was caused by storms and tsunamis caused by typhoons, and floods.
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.
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: CS1 maint: multiple names: authors list (link)Lower Otay Dam washed out completely in the 1916 Hatfield flood.
Sweetwater Dam was damaged in the 1916 Hatfield Flood but did not fail.