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1941 Porto Alegre floods
Reference material by Wikipedia contributors. This retains its source identity and is not 411 news reporting.
Natural disaster in Brazil
May 2024In May 1941, the waters surrounding the city of Porto Alegre, Brazil, reached a level of 4.76 m ft in off us 2 in height and later flooded the Porto Alegre Public Market, Rua da Praia, and the city center. 17 May 2011 Porto Alegre protegida contra enchentes como a de 1941 Porto Alegre protected against floods like the one in 1941 http://www2.portoalegre.rs.gov.br/dep/default.php?p_noticia=141366 2024-05-09 Prefeitura de Porto Alegre The Flood of 41 pt-br The flood destroyed a large part of the Riacho Railway, which connected the center with the neighborhoods in the southern city.Huyer Andre HUYER, Andre. A Ferrovia do Riacho. Porto Alegre, UFRGS, 2010 HUYER, Andre. The Riacho Railway. Porto Alegre, UFRGS, 2010 https://www.academia.edu/6954026 Universidade Federal do Rio Grande do Sul pt-br registration It led to the canalization of Arroio Dilúvio, which had been started in 1939, by the city government and the federal government.Burin Carolina Wolff November 2008 Douglas Vieira de Aguiar as advisor Universidade Federal do Rio Grande do Sul Federal University of Rio Grande do Sul https://lume.ufrgs.br/bitstream/handle/10183/17323/000709658.pdf?sequence=1&isAllowed=y live https://web.archive.org/web/20230511010037/https://lume.ufrgs.br/bitstream/handle/10183/17323/000709658.pdf?sequence=1&isAllowed=y 11 May 2023 13 pt
Causes
The flood was caused by inner-city rainfall and southern winds.Allasia D. G. Tassi R. Bemfica D. Goldenfum J. A. March 2015 Decreasing flood risk perception in Porto Alegre – Brazil and its influence on water resource management decisions https://piahs.copernicus.org/articles/370/189/2015/piahs-370-189-2015.pdf live Open Access PIAHS Copernicus Publications 11 June 2015 370 190 10.5194/piahs-370-189-2015 https://web.archive.org/web/20201130170230/https://piahs.copernicus.org/articles/370/189/2015/piahs-370-189-2015.pdf November 30, 2020 free 2015PIAHS.370..189A
From April to May 1941, part of Guaíba was in intense rainy weather for 22 days. The water from Guaíba drains into the lake, and the flood was later followed by heavy rains and winds. At the time, precipitation totalled 791 mm ft in 2. The recurrence time for this flood is around 370 years. Características topográficas e cheias na cidade Topographic features and floods in the city http://www2.portoalegre.rs.gov.br/dep/default.php?reg=1&p_secao=65 2024-05-09 Prefeitura de Porto Alegre A enchente de 1941 pt-br
Damage and casualties
At least one person has drowned in the flood. Early reporting estimated that Porto Alegre had 1,000 houses flooded, with 400 houses underwater in Alegrete.3 May 1941 20,000 Flooded Out in Brazil https://books.google.com/books?id=JLhhAAAAIBAJ&dq=1941+Porto+Alegre+floods&pg=PA48&article_id=5180,855811 The Montreal Gazette 48 CLXX, 107 Nearby crops in Cachoeira were damaged, and three farmers committed suicide in the municipality for unknown reasons. In Porto Alegre, around 70,000 people were left homeless out of 270,000 people at the time.
Response
The American Red Cross allocated 10,000 USD to those affected. One bomber flown by R. E. Koon of the United States Army Air Corps flew to the location with 5,000 USD worth of serums for the victims.16 October 1941 Wings Over the World https://books.google.com/books?id=h25SAAAAIBAJ The Virgin Islands Daily News Wings of Peace The serum was donated by the American Red Cross and is intended to prevent a potential epidemic hazard that was indirectly caused by the flooding. The serum consists of typhoid antitoxins, diphtheria antitoxins, and anti-dysentery toxin for around 16,000 people.15 May 1941 U.S. Bomber Goes On Mercy Flight https://books.google.com/books?id=PONOAAAAIBAJ live https://web.archive.org/web/20240513184532/https://books.google.co.id/books?id=PONOAAAAIBAJ May 13, 2024 St. Petersburg Times 8
In 1971–1974, in response to the flood, the Mauá Wall was built by the Departamento Nacional de Obras e Saneamento (DNOS).
See also
2024 Rio Grande do Sul floods
2023 Rio Grande do Sul floods
References
Category:Floods in Brazil
Category:Brazil articles missing geocoordinate data
Category:Porto Alegre
Category:American Red Cross
Category:1941 in Brazil
Category:1941 natural disasters