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1. Identity statement
Reference TypeJournal Article
Sitemtc-m21c.sid.inpe.br
Holder Codeisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identifier8JMKD3MGP3W34R/449CSJ5
Repositorysid.inpe.br/mtc-m21c/2021/03.02.18.14   (restricted access)
Last Update2021:03.02.18.14.01 (UTC) simone
Metadata Repositorysid.inpe.br/mtc-m21c/2021/03.02.18.14.01
Metadata Last Update2022:04.03.22.28.14 (UTC) administrator
DOI10.1002/qj.3900
ISSN0035-9009
Citation KeyPinheiroGanHodg:2021:StEvIn
TitleStructure and evolution of intense austral cut-off lows
Year2021
MonthJan.
Access Date2024, May 19
Type of Workjournal article
Secondary TypePRE PI
Number of Files1
Size6756 KiB
2. Context
Author1 Pinheiro, Henri Rossi
2 Gan, Manoel Alonso
3 Hodges, Kevin
Resume Identifier1
2 8JMKD3MGP5W/3C9JHNM
ORCID1 0000-0003-4363-3206
Group1 DIPTC-CGCT-INPE-MCTI-GOV-BR
2 DIPTC-CGCT-INPE-MCTI-GOV-BR
Affiliation1 Instituto Nacional de Pesquisas Espaciais (INPE)
2 Instituto Nacional de Pesquisas Espaciais (INPE)
3 University of Reading
Author e-Mail Address1 henrirpinheiro@gmail.com
2 manoel.gan@gmail.com
JournalQuarterly Journal of the Royal Meteorological Society
Volume147
Number734
Pages1-20
Secondary MarkA1_GEOCIÊNCIAS A2_ENGENHARIAS_I
History (UTC)2021-03-02 18:14:01 :: simone -> administrator ::
2021-03-02 18:14:14 :: administrator -> simone :: 2021
2021-03-02 18:15:22 :: simone -> administrator :: 2021
2022-04-03 22:28:14 :: administrator -> simone :: 2021
3. Content and structure
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Content Stagecompleted
Transferable1
Content TypeExternal Contribution
Version Typepublisher
AbstractThis study examines the three-dimensional structure and evolution of the 200 most intense Cut-off Lows (COLs) in the Southern Hemisphere (SH). This is done using feature tracking and cyclone-centred compositing based on the ERA-Interim reanalysis. Composites confirm the existence of a well-defined tropospheric moist cold core co-located with warm dry air in the lower stratosphere. Such cores are surrounded by regions of strong temperature gradients (frontal zones) which move downstream throughout the life cycle. The stratospheric air intrusion into the troposphere is identified in vertical cross-sections of potential vorticity and ozone, a process referred to as tropopause folding. Precipitation occurs ahead of the COLs because of the low (high)-level convergence (divergence) and strong upward motion. The maximum precipitation is observed during decay, indicating a possible link between COLs and surface cyclones. Composites conditioned on relative vorticity and precipitable water suggest these variables may be related to precipitation. The COLs exhibit a westward tilt during their early stages but they change to a barotropic state in the mature stage. Finally, the main characteristics of the COLs are summarised by categories which discriminate different intensities, indicating there are differences in the structure of COLs with consequences for precipitation. These efforts aim to provide new insights into the development of COLs in the SH which could aid in identifying and forecasting their various types and associated precipitation patterns.
AreaMET
Arrangementurlib.net > BDMCI > Fonds > Produção a partir de 2021 > CGCT > Structure and evolution...
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4. Conditions of access and use
Languageen
Target Filepinheiro_structure.pdf
User Groupsimone
Reader Groupadministrator
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Visibilityshown
Archiving Policydenypublisher denyfinaldraft
Read Permissiondeny from all and allow from 150.163
Update Permissionnot transferred
5. Allied materials
Next Higher Units8JMKD3MGPCW/46KUATE
Citing Item Listsid.inpe.br/mtc-m21/2012/07.13.14.54.28 1
DisseminationWEBSCI
Host Collectionurlib.net/www/2017/11.22.19.04
6. Notes
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