Simulation of a baroclinic wave with the WRF regional model: sensitivityto the initial conditions in an ideal and a real experiment

Autores
Blazquez, Josefina; Pessacg, Natalia Liz; Gonzalez, Paula Leticia Manuela
Año de publicación
2013
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
A sensitivity study to perturbations in the initial conditions in a simulated evolution of a baroclinic wave using the Weather Research and Forecasting (WRF) regional model is discussed in this paper. With the goal of analysing the impacts of these perturbations in the context of weather forecast and also with the aim of exploring the presence of preferred directions of growth in the errors, two cases were analysed: an ideal experiment using a case study available from the WRF set-up and a simulation of a real evolution of a mid-latitude cyclone over Southeastern South America (SESA) and the Atlantic Ocean. In the ideal experiment two spatial structures were considered for the perturbations, random and sinusoidal noise, while for the real experiment only sinusoidal structures were considered. These perturbations were then applied to the initial conditions of temperature and zonal wind. Additionally, simulations with an increment in atmospheric moisture were performed for the real experiment. It was found in both real and ideal cases that the temperature errors tend to organize in a preferable direction of growth, although this direction changes depending on the case considered. Results also show that perturbations in temperature field lead to larger error than perturbing the zonal wind. Finally, the increment of moisture did not produce significant changes in the distribution or intensity of the errors in the real case.
Fil: Blazquez, Josefina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinacion Administrativa Ciudad Universitaria. Centro de Investigaciones del Mar y la Atmósfera; Argentina
Fil: Pessacg, Natalia Liz. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Nacional Patagónico; Argentina
Fil: Gonzalez, Paula Leticia Manuela. Columbia University. Earth Institute. International Research Institute for Climate and Society; Estados Unidos
Materia
Perturbations
Wrf Model
Initial Conditions
Southeastern South America
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/4484

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spelling Simulation of a baroclinic wave with the WRF regional model: sensitivityto the initial conditions in an ideal and a real experimentBlazquez, JosefinaPessacg, Natalia LizGonzalez, Paula Leticia ManuelaPerturbationsWrf ModelInitial ConditionsSoutheastern South Americahttps://purl.org/becyt/ford/1.5https://purl.org/becyt/ford/1A sensitivity study to perturbations in the initial conditions in a simulated evolution of a baroclinic wave using the Weather Research and Forecasting (WRF) regional model is discussed in this paper. With the goal of analysing the impacts of these perturbations in the context of weather forecast and also with the aim of exploring the presence of preferred directions of growth in the errors, two cases were analysed: an ideal experiment using a case study available from the WRF set-up and a simulation of a real evolution of a mid-latitude cyclone over Southeastern South America (SESA) and the Atlantic Ocean. In the ideal experiment two spatial structures were considered for the perturbations, random and sinusoidal noise, while for the real experiment only sinusoidal structures were considered. These perturbations were then applied to the initial conditions of temperature and zonal wind. Additionally, simulations with an increment in atmospheric moisture were performed for the real experiment. It was found in both real and ideal cases that the temperature errors tend to organize in a preferable direction of growth, although this direction changes depending on the case considered. Results also show that perturbations in temperature field lead to larger error than perturbing the zonal wind. Finally, the increment of moisture did not produce significant changes in the distribution or intensity of the errors in the real case.Fil: Blazquez, Josefina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinacion Administrativa Ciudad Universitaria. Centro de Investigaciones del Mar y la Atmósfera; ArgentinaFil: Pessacg, Natalia Liz. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Nacional Patagónico; ArgentinaFil: Gonzalez, Paula Leticia Manuela. Columbia University. Earth Institute. International Research Institute for Climate and Society; Estados UnidosWiley2013-12info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/4484Blazquez, Josefina; Pessacg, Natalia Liz; Gonzalez, Paula Leticia Manuela; Simulation of a baroclinic wave with the WRF regional model: sensitivityto the initial conditions in an ideal and a real experiment; Wiley; Meteorological Applications; 20; 4; 12-2013; 447-4561350-4827enginfo:eu-repo/semantics/altIdentifier/url/http://onlinelibrary.wiley.com/doi/10.1002/met.1307/abstractinfo:eu-repo/semantics/altIdentifier/doi/10.1002/met.1307info:eu-repo/semantics/altIdentifier/doi/10.1002/met.1307/fullinfo:eu-repo/semantics/altIdentifier/issn/1350-4827info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-nd/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:45:28Zoai:ri.conicet.gov.ar:11336/4484instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 09:45:28.222CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Simulation of a baroclinic wave with the WRF regional model: sensitivityto the initial conditions in an ideal and a real experiment
title Simulation of a baroclinic wave with the WRF regional model: sensitivityto the initial conditions in an ideal and a real experiment
spellingShingle Simulation of a baroclinic wave with the WRF regional model: sensitivityto the initial conditions in an ideal and a real experiment
Blazquez, Josefina
Perturbations
Wrf Model
Initial Conditions
Southeastern South America
title_short Simulation of a baroclinic wave with the WRF regional model: sensitivityto the initial conditions in an ideal and a real experiment
title_full Simulation of a baroclinic wave with the WRF regional model: sensitivityto the initial conditions in an ideal and a real experiment
title_fullStr Simulation of a baroclinic wave with the WRF regional model: sensitivityto the initial conditions in an ideal and a real experiment
title_full_unstemmed Simulation of a baroclinic wave with the WRF regional model: sensitivityto the initial conditions in an ideal and a real experiment
title_sort Simulation of a baroclinic wave with the WRF regional model: sensitivityto the initial conditions in an ideal and a real experiment
dc.creator.none.fl_str_mv Blazquez, Josefina
Pessacg, Natalia Liz
Gonzalez, Paula Leticia Manuela
author Blazquez, Josefina
author_facet Blazquez, Josefina
Pessacg, Natalia Liz
Gonzalez, Paula Leticia Manuela
author_role author
author2 Pessacg, Natalia Liz
Gonzalez, Paula Leticia Manuela
author2_role author
author
dc.subject.none.fl_str_mv Perturbations
Wrf Model
Initial Conditions
Southeastern South America
topic Perturbations
Wrf Model
Initial Conditions
Southeastern South America
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.5
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv A sensitivity study to perturbations in the initial conditions in a simulated evolution of a baroclinic wave using the Weather Research and Forecasting (WRF) regional model is discussed in this paper. With the goal of analysing the impacts of these perturbations in the context of weather forecast and also with the aim of exploring the presence of preferred directions of growth in the errors, two cases were analysed: an ideal experiment using a case study available from the WRF set-up and a simulation of a real evolution of a mid-latitude cyclone over Southeastern South America (SESA) and the Atlantic Ocean. In the ideal experiment two spatial structures were considered for the perturbations, random and sinusoidal noise, while for the real experiment only sinusoidal structures were considered. These perturbations were then applied to the initial conditions of temperature and zonal wind. Additionally, simulations with an increment in atmospheric moisture were performed for the real experiment. It was found in both real and ideal cases that the temperature errors tend to organize in a preferable direction of growth, although this direction changes depending on the case considered. Results also show that perturbations in temperature field lead to larger error than perturbing the zonal wind. Finally, the increment of moisture did not produce significant changes in the distribution or intensity of the errors in the real case.
Fil: Blazquez, Josefina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinacion Administrativa Ciudad Universitaria. Centro de Investigaciones del Mar y la Atmósfera; Argentina
Fil: Pessacg, Natalia Liz. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Nacional Patagónico; Argentina
Fil: Gonzalez, Paula Leticia Manuela. Columbia University. Earth Institute. International Research Institute for Climate and Society; Estados Unidos
description A sensitivity study to perturbations in the initial conditions in a simulated evolution of a baroclinic wave using the Weather Research and Forecasting (WRF) regional model is discussed in this paper. With the goal of analysing the impacts of these perturbations in the context of weather forecast and also with the aim of exploring the presence of preferred directions of growth in the errors, two cases were analysed: an ideal experiment using a case study available from the WRF set-up and a simulation of a real evolution of a mid-latitude cyclone over Southeastern South America (SESA) and the Atlantic Ocean. In the ideal experiment two spatial structures were considered for the perturbations, random and sinusoidal noise, while for the real experiment only sinusoidal structures were considered. These perturbations were then applied to the initial conditions of temperature and zonal wind. Additionally, simulations with an increment in atmospheric moisture were performed for the real experiment. It was found in both real and ideal cases that the temperature errors tend to organize in a preferable direction of growth, although this direction changes depending on the case considered. Results also show that perturbations in temperature field lead to larger error than perturbing the zonal wind. Finally, the increment of moisture did not produce significant changes in the distribution or intensity of the errors in the real case.
publishDate 2013
dc.date.none.fl_str_mv 2013-12
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/4484
Blazquez, Josefina; Pessacg, Natalia Liz; Gonzalez, Paula Leticia Manuela; Simulation of a baroclinic wave with the WRF regional model: sensitivityto the initial conditions in an ideal and a real experiment; Wiley; Meteorological Applications; 20; 4; 12-2013; 447-456
1350-4827
url http://hdl.handle.net/11336/4484
identifier_str_mv Blazquez, Josefina; Pessacg, Natalia Liz; Gonzalez, Paula Leticia Manuela; Simulation of a baroclinic wave with the WRF regional model: sensitivityto the initial conditions in an ideal and a real experiment; Wiley; Meteorological Applications; 20; 4; 12-2013; 447-456
1350-4827
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/http://onlinelibrary.wiley.com/doi/10.1002/met.1307/abstract
info:eu-repo/semantics/altIdentifier/doi/10.1002/met.1307
info:eu-repo/semantics/altIdentifier/doi/10.1002/met.1307/full
info:eu-repo/semantics/altIdentifier/issn/1350-4827
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Wiley
publisher.none.fl_str_mv Wiley
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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