WhyIsNameSoHardOmg- -:
{{Use dmy dates|date=May 2024}}From April to May 1941, [[Guaíba]], Brazil, was flooded for 22 days. The waters reached a level of {{Convert|4.76|m|ft in|abbr=off|sp=us|sigfig=2}} in height and went to the [[Porto Alegre Public Market]], Rua da Praia, and the city center.<ref>{{Cite web |last= |first= |date=17 May 2011 |title=Porto Alegre protegida contra enchentes como a de 1941 |trans-title=Porto Alegre protected against floods like the one in 1941 |url=http://www2.portoalegre.rs.gov.br/dep/default.php?p_noticia=141366 |access-date=2024-05-09 |website=Prefeitura de Porto Alegre |at=The Flood of 41 |language=pt-br}}</ref> Another consequence of the flood was the destruction of a large part of the Riacho Railway, which connected the center with the neighborhoods in the southern city;<ref name=":0">{{Cite journal |last=Huyer |first=Andre |title=HUYER, Andre. A Ferrovia do Riacho. Porto Alegre, UFRGS, 2010 |trans-title=HUYER, Andre. The Riacho Railway. Porto Alegre, UFRGS, 2010 |url=https://www.academia.edu/6954026/HUYER_Andre_A_Ferrovia_do_Riacho_Porto_Alegre_UFRGS_2010 |journal=Universidade Federal do Rio Grande do Sul |language=pt-br |url-access=registration}}</ref> and the urgency for the [[Arroio Dilúvio#History|canalization of Arroio Dilúvio]], which had been started in 1939, and its city government was assisted by the [[Federal government of Brazil|federal government]].<ref>{{Cite web |last=Burin |first=Carolina Wolff |date=November 2008 |others=Douglas Vieira de Aguiar as advisor |title=Universidade Federal do Rio Grande do Sul |trans-title=Federal University of Rio Grande do Sul |url=https://lume.ufrgs.br/bitstream/handle/10183/17323/000709658.pdf?sequence=1&isAllowed=y |url-status=live |archive-url=https://wayback-api.archive.org/web...83/17323/000709658.pdf?sequence=1&isAllowed=y |archive-date=11 May 2023 |page=13 |language=pt}}</ref>
== Causes ==
Water from Guaíba drains into the lake. At the time, [[precipitation]] totaled {{Convert|791|mm|ft in|sigfig=2}}. The [[Poincaré recurrence theorem|recurrence time]] for this flood is 370 years.<ref>{{Cite web |last= |first= |title=Características topográficas e cheias na cidade |trans-title=Topographic features and floods in the city |url=http://www2.portoalegre.rs.gov.br/dep/default.php?reg=1&p_secao=65 |access-date=2024-05-09 |website=Prefeitura de Porto Alegre |at=A enchente de 1941 |language=pt-br}}</ref> The [[American Red Cross]] allocated [[United States dollar|US$]]10,000 to those affected.<ref name=":0" />
== References ==
<references />
Okumaya devam et...
{{Use dmy dates|date=May 2024}}From April to May 1941, [[Guaíba]], Brazil, was flooded for 22 days. The waters reached a level of {{Convert|4.76|m|ft in|abbr=off|sp=us|sigfig=2}} in height and went to the [[Porto Alegre Public Market]], Rua da Praia, and the city center.<ref>{{Cite web |last= |first= |date=17 May 2011 |title=Porto Alegre protegida contra enchentes como a de 1941 |trans-title=Porto Alegre protected against floods like the one in 1941 |url=http://www2.portoalegre.rs.gov.br/dep/default.php?p_noticia=141366 |access-date=2024-05-09 |website=Prefeitura de Porto Alegre |at=The Flood of 41 |language=pt-br}}</ref> Another consequence of the flood was the destruction of a large part of the Riacho Railway, which connected the center with the neighborhoods in the southern city;<ref name=":0">{{Cite journal |last=Huyer |first=Andre |title=HUYER, Andre. A Ferrovia do Riacho. Porto Alegre, UFRGS, 2010 |trans-title=HUYER, Andre. The Riacho Railway. Porto Alegre, UFRGS, 2010 |url=https://www.academia.edu/6954026/HUYER_Andre_A_Ferrovia_do_Riacho_Porto_Alegre_UFRGS_2010 |journal=Universidade Federal do Rio Grande do Sul |language=pt-br |url-access=registration}}</ref> and the urgency for the [[Arroio Dilúvio#History|canalization of Arroio Dilúvio]], which had been started in 1939, and its city government was assisted by the [[Federal government of Brazil|federal government]].<ref>{{Cite web |last=Burin |first=Carolina Wolff |date=November 2008 |others=Douglas Vieira de Aguiar as advisor |title=Universidade Federal do Rio Grande do Sul |trans-title=Federal University of Rio Grande do Sul |url=https://lume.ufrgs.br/bitstream/handle/10183/17323/000709658.pdf?sequence=1&isAllowed=y |url-status=live |archive-url=https://wayback-api.archive.org/web...83/17323/000709658.pdf?sequence=1&isAllowed=y |archive-date=11 May 2023 |page=13 |language=pt}}</ref>
== Causes ==
Water from Guaíba drains into the lake. At the time, [[precipitation]] totaled {{Convert|791|mm|ft in|sigfig=2}}. The [[Poincaré recurrence theorem|recurrence time]] for this flood is 370 years.<ref>{{Cite web |last= |first= |title=Características topográficas e cheias na cidade |trans-title=Topographic features and floods in the city |url=http://www2.portoalegre.rs.gov.br/dep/default.php?reg=1&p_secao=65 |access-date=2024-05-09 |website=Prefeitura de Porto Alegre |at=A enchente de 1941 |language=pt-br}}</ref> The [[American Red Cross]] allocated [[United States dollar|US$]]10,000 to those affected.<ref name=":0" />
== References ==
<references />
Okumaya devam et...