Extreme Rainfall Event Observed in Northern of Rio Grande do Sul

Detalhes bibliográficos
Autor(a) principal: Eichholz, Cristiano Wickboldt
Data de Publicação: 2017
Outros Autores: Campos, Cláudia Rejane Jacondino de, Maria, Diogo Monteiro, Pinto, Luciana Barros
Tipo de documento: Artigo
Idioma: por
Título da fonte: Anuário do Instituto de Geociências (Online)
Texto Completo: https://revistas.ufrj.br/index.php/aigeo/article/view/7847
Resumo: This paper analyzes atmospheric conditions related to an extreme rainfall event that reached Northern of Rio Grande do Sul (RS) in July 10, 2007. Different data sources were used: rainfall daily data from 16 meteorological surface stations of RS to verify the rainfall registered on RS during the event; infra-red (channel 4) satellite imagery from GOES 10 (Geostationary Operational Environmental Satellite), to analyze the evolution of meteorological system that generated the event; surface and altitude synoptic charts from July 10, 2007 at 00 UTC to analyze the meteorological systems acting on the RS and data from NCEP-CFSR Reanalysis (National Centers for Environmental Prediction -- Climate Forecast System Reanalysis), to analyze the large-scale environment associated with the event. The results showed that the circulation in low-level of the atmosphere contributed to supply the study area with large amount of heat and humidity. This condition combined with the occurrence of Frontal System observed from July 09, 2007 contributed to the organization of atmospheric instability and convective cloudiness observed, favoring the occurrence of the extreme rainfall registered in Northern RS in July 10, 2007.
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spelling Extreme Rainfall Event Observed in Northern of Rio Grande do SulEvento Extremo de Precipitação Observado no Norte do Rio Grande do SulExtreme rainfall; Meteorological systems; Frontal systemsPrecipitação extrema; Sistemas meteorológicos; Sistemas frontaisThis paper analyzes atmospheric conditions related to an extreme rainfall event that reached Northern of Rio Grande do Sul (RS) in July 10, 2007. Different data sources were used: rainfall daily data from 16 meteorological surface stations of RS to verify the rainfall registered on RS during the event; infra-red (channel 4) satellite imagery from GOES 10 (Geostationary Operational Environmental Satellite), to analyze the evolution of meteorological system that generated the event; surface and altitude synoptic charts from July 10, 2007 at 00 UTC to analyze the meteorological systems acting on the RS and data from NCEP-CFSR Reanalysis (National Centers for Environmental Prediction -- Climate Forecast System Reanalysis), to analyze the large-scale environment associated with the event. The results showed that the circulation in low-level of the atmosphere contributed to supply the study area with large amount of heat and humidity. This condition combined with the occurrence of Frontal System observed from July 09, 2007 contributed to the organization of atmospheric instability and convective cloudiness observed, favoring the occurrence of the extreme rainfall registered in Northern RS in July 10, 2007.Este trabalho analisa as condições atmosféricas associadas a um evento extremo de precipitação que atingiu o norte do Rio Grande do Sul (RS) em 10/07/07. Utilizaram-se dados diários de  precipitação pluvial acumulada de 16 estações meteorológicas de superfície do RS, para verificar a precipitação registrada no RS durante a ocorrência do evento; imagens do satélite GOES 10 (Geostationary Operational Environmental Satellite) no canal 4 (infravermelho termal) para analisar a evolução do sistema meteorológico que atuou na geração do evento; cartas sinóticas de superfície e altitude da 00 UTC do dia 10/07/07 para analisar os sistemas meteorológicos atuantes sobre o RS e dados de reanálise global geradas no National Centers for Environmental Prediction -- Climate Forecast System Reanalysis (NCEP-CFSR), para analisar o ambiente de grande escala associado à ocorrência do evento. Os resultados mostraram que a circulação em baixos níveis da atmosfera contribuiu para abastecer a região de estudo com grande quantidade de calor e umidade. Esta condição aliada à atuação do Sistema Frontal que se formou no dia 09/07/07 na região contribuiu para a instabilidade atmosférica e organização da nebulosidade convectiva observada, favorecendo a ocorrência da precipitação extrema registrada em 10/07/2007 no norte do RS.Universidade Federal do Rio de Janeiro2017-02-15info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://revistas.ufrj.br/index.php/aigeo/article/view/784710.11137/2015_1_86_94Anuário do Instituto de Geociências; Vol 38, No 1 (2015); 86-94Anuário do Instituto de Geociências; Vol 38, No 1 (2015); 86-941982-39080101-9759reponame:Anuário do Instituto de Geociências (Online)instname:Universidade Federal do Rio de Janeiro (UFRJ)instacron:UFRJporhttps://revistas.ufrj.br/index.php/aigeo/article/view/7847/6328Copyright (c) 2016 Anuário do Instituto de Geociênciashttp://creativecommons.org/licenses/by/4.0info:eu-repo/semantics/openAccessEichholz, Cristiano WickboldtCampos, Cláudia Rejane Jacondino deMaria, Diogo MonteiroPinto, Luciana Barros2017-02-15T17:59:16Zoai:www.revistas.ufrj.br:article/7847Revistahttps://revistas.ufrj.br/index.php/aigeo/indexPUBhttps://revistas.ufrj.br/index.php/aigeo/oaianuario@igeo.ufrj.br||1982-39080101-9759opendoar:2017-02-15T17:59:16Anuário do Instituto de Geociências (Online) - Universidade Federal do Rio de Janeiro (UFRJ)false
dc.title.none.fl_str_mv Extreme Rainfall Event Observed in Northern of Rio Grande do Sul
Evento Extremo de Precipitação Observado no Norte do Rio Grande do Sul
title Extreme Rainfall Event Observed in Northern of Rio Grande do Sul
spellingShingle Extreme Rainfall Event Observed in Northern of Rio Grande do Sul
Eichholz, Cristiano Wickboldt
Extreme rainfall; Meteorological systems; Frontal systems
Precipitação extrema; Sistemas meteorológicos; Sistemas frontais
title_short Extreme Rainfall Event Observed in Northern of Rio Grande do Sul
title_full Extreme Rainfall Event Observed in Northern of Rio Grande do Sul
title_fullStr Extreme Rainfall Event Observed in Northern of Rio Grande do Sul
title_full_unstemmed Extreme Rainfall Event Observed in Northern of Rio Grande do Sul
title_sort Extreme Rainfall Event Observed in Northern of Rio Grande do Sul
author Eichholz, Cristiano Wickboldt
author_facet Eichholz, Cristiano Wickboldt
Campos, Cláudia Rejane Jacondino de
Maria, Diogo Monteiro
Pinto, Luciana Barros
author_role author
author2 Campos, Cláudia Rejane Jacondino de
Maria, Diogo Monteiro
Pinto, Luciana Barros
author2_role author
author
author
dc.contributor.author.fl_str_mv Eichholz, Cristiano Wickboldt
Campos, Cláudia Rejane Jacondino de
Maria, Diogo Monteiro
Pinto, Luciana Barros
dc.subject.por.fl_str_mv Extreme rainfall; Meteorological systems; Frontal systems
Precipitação extrema; Sistemas meteorológicos; Sistemas frontais
topic Extreme rainfall; Meteorological systems; Frontal systems
Precipitação extrema; Sistemas meteorológicos; Sistemas frontais
description This paper analyzes atmospheric conditions related to an extreme rainfall event that reached Northern of Rio Grande do Sul (RS) in July 10, 2007. Different data sources were used: rainfall daily data from 16 meteorological surface stations of RS to verify the rainfall registered on RS during the event; infra-red (channel 4) satellite imagery from GOES 10 (Geostationary Operational Environmental Satellite), to analyze the evolution of meteorological system that generated the event; surface and altitude synoptic charts from July 10, 2007 at 00 UTC to analyze the meteorological systems acting on the RS and data from NCEP-CFSR Reanalysis (National Centers for Environmental Prediction -- Climate Forecast System Reanalysis), to analyze the large-scale environment associated with the event. The results showed that the circulation in low-level of the atmosphere contributed to supply the study area with large amount of heat and humidity. This condition combined with the occurrence of Frontal System observed from July 09, 2007 contributed to the organization of atmospheric instability and convective cloudiness observed, favoring the occurrence of the extreme rainfall registered in Northern RS in July 10, 2007.
publishDate 2017
dc.date.none.fl_str_mv 2017-02-15
dc.type.none.fl_str_mv

dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://revistas.ufrj.br/index.php/aigeo/article/view/7847
10.11137/2015_1_86_94
url https://revistas.ufrj.br/index.php/aigeo/article/view/7847
identifier_str_mv 10.11137/2015_1_86_94
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://revistas.ufrj.br/index.php/aigeo/article/view/7847/6328
dc.rights.driver.fl_str_mv Copyright (c) 2016 Anuário do Instituto de Geociências
http://creativecommons.org/licenses/by/4.0
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Copyright (c) 2016 Anuário do Instituto de Geociências
http://creativecommons.org/licenses/by/4.0
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Universidade Federal do Rio de Janeiro
publisher.none.fl_str_mv Universidade Federal do Rio de Janeiro
dc.source.none.fl_str_mv Anuário do Instituto de Geociências; Vol 38, No 1 (2015); 86-94
Anuário do Instituto de Geociências; Vol 38, No 1 (2015); 86-94
1982-3908
0101-9759
reponame:Anuário do Instituto de Geociências (Online)
instname:Universidade Federal do Rio de Janeiro (UFRJ)
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institution UFRJ
reponame_str Anuário do Instituto de Geociências (Online)
collection Anuário do Instituto de Geociências (Online)
repository.name.fl_str_mv Anuário do Instituto de Geociências (Online) - Universidade Federal do Rio de Janeiro (UFRJ)
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