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dc.contributor.author
Hierro, Rodrigo Federico
dc.contributor.author
Pessano, H.
dc.contributor.author
Llamedo Soria, Pablo Martin
dc.contributor.author
de la Torre, Alejandro
dc.contributor.author
Alexander, Pedro Manfredo
dc.contributor.author
Odiard, A.
dc.date.available
2019-10-03T16:04:59Z
dc.date.issued
2013-02
dc.identifier.citation
Hierro, Rodrigo Federico; Pessano, H.; Llamedo Soria, Pablo Martin; de la Torre, Alejandro; Alexander, Pedro Manfredo; et al.; Orographic effects related to deep convection events over the Andes region; Elsevier Science Inc; Atmospheric Research; 120-121; 2-2013; 216-225
dc.identifier.issn
0169-8095
dc.identifier.uri
http://hdl.handle.net/11336/85136
dc.description.abstract
In this work, we analyze a set of 39 storms which took place between 2006 and 2011 over the South of Mendoza, Argentina. This is a semiarid region situated at mid-latitudes (roughly between 32S and 36S) at the east of the highest Andes tops which constitutes a natural laboratory where diverse sources of gravity waves usually take place. We consider a cultivated subregion near San Rafael district, where every summer a systematic generation of deep convection events is registered. We propose that the lift mechanism required to raise a parcel to its level of free convection is partially supplied by mountain waves (MWs). From Weather Research and Forecasting (WRF) mesoscale model simulations and radar network data, we calculate the evolution of convective available potential energy and convective inhibition indices during the development of each storm. Global Final Analysis is used to construct initial and boundary conditions. Convective inhibition indices are compared with the vertical kinetic energy capable of being supplied by the MWs, in order to provide a rough estimation of this possible triggering mechanism. Vertical velocity is chosen as an appropriate dynamical variable to evidence the presence of MWs in the vicinity of each detected first radar echo. After establishing a criterion based on a previous work to represent MWs, the 39 storms are split into two subsets: with and without the presence of MWs. 12 cases with considerable MWs amplitude are retained and considered. Radar data differences between the two samples are analyzed and the simulated MWs are characterized.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science Inc
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
ANDES
dc.subject
MENDOZA
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MOUNTAIN WAVES
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STORMS
dc.subject.classification
Meteorología y Ciencias Atmosféricas
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Ciencias de la Tierra y relacionadas con el Medio Ambiente
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
Orographic effects related to deep convection events over the Andes region
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-10-02T20:53:30Z
dc.journal.volume
120-121
dc.journal.pagination
216-225
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Hierro, Rodrigo Federico. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Austral. Facultad de Ingeniería; Argentina
dc.description.fil
Fil: Pessano, H.. Universidad Tecnologica Nacional. Facultad Regional San Rafael; Argentina
dc.description.fil
Fil: Llamedo Soria, Pablo Martin. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Austral. Facultad de Ingeniería; Argentina
dc.description.fil
Fil: de la Torre, Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Austral. Facultad de Ingeniería; Argentina
dc.description.fil
Fil: Alexander, Pedro Manfredo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física; Argentina
dc.description.fil
Fil: Odiard, A.. Dirección de Agricultura y Contingencias Climáticas; Argentina
dc.journal.title
Atmospheric Research
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0169809512002876
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1016/j.atmosres.2012.08.020


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