The origin of precipitation during the rare case of Hurricane Catarina over the South Atlantic Ocean ...
<!--!introduction!--> Tropical cyclones (TCs) are extremely rare over the South Atlantic Ocean (SATL) due to predominant unfavourable conditions. Nevertheless, unusual conditions over SATL associated with a blocking system promoted the formation of Hurricane Catarina from an extratropical prec...
Main Authors: | , , , , , |
---|---|
Format: | Article in Journal/Newspaper |
Language: | unknown |
Published: |
GFZ German Research Centre for Geosciences
2023
|
Subjects: | |
Online Access: | https://dx.doi.org/10.57757/iugg23-0104 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5016448 |
id |
ftdatacite:10.57757/iugg23-0104 |
---|---|
record_format |
openpolar |
spelling |
ftdatacite:10.57757/iugg23-0104 2023-06-11T04:16:41+02:00 The origin of precipitation during the rare case of Hurricane Catarina over the South Atlantic Ocean ... Pérez-Alarcón, Albenis Coll-Hidalgo, Patricia Fernandez-Alvarez, José Carlos Trigo, Ricardo M. Nieto, Raquel Gimeno, Luis 2023 https://dx.doi.org/10.57757/iugg23-0104 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5016448 unknown GFZ German Research Centre for Geosciences Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 Oral ConferencePaper Article 2023 ftdatacite https://doi.org/10.57757/iugg23-0104 2023-05-02T11:06:54Z <!--!introduction!--> Tropical cyclones (TCs) are extremely rare over the South Atlantic Ocean (SATL) due to predominant unfavourable conditions. Nevertheless, unusual conditions over SATL associated with a blocking system promoted the formation of Hurricane Catarina from an extratropical precursor in late March 2004, which produced heavy rainfall in southeastern Brazil. This work identifies the moisture sources for the precipitation produced by Catarina along its 6-hourly trajectory throughout a Lagrangian moisture tracking method. We extracted the pathways of precipitating air parcels within the cyclone's outer radius from the global outputs of the FLEXPART model forced with the ERA-Interim reanalysis. Our findings revealed the terrestrial source in southeastern Brazil (SEB) and the oceanic source limited by the box between 20-40°S and 30-50°W over SATL (WSATL) as the principal moisture sources, with the overall support of ~27% and ~66%, respectively. However, their contribution varied according to ... : The 28th IUGG General Assembly (IUGG2023) (Berlin 2023) ... Article in Journal/Newspaper South Atlantic Ocean DataCite Metadata Store (German National Library of Science and Technology) |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
unknown |
description |
<!--!introduction!--> Tropical cyclones (TCs) are extremely rare over the South Atlantic Ocean (SATL) due to predominant unfavourable conditions. Nevertheless, unusual conditions over SATL associated with a blocking system promoted the formation of Hurricane Catarina from an extratropical precursor in late March 2004, which produced heavy rainfall in southeastern Brazil. This work identifies the moisture sources for the precipitation produced by Catarina along its 6-hourly trajectory throughout a Lagrangian moisture tracking method. We extracted the pathways of precipitating air parcels within the cyclone's outer radius from the global outputs of the FLEXPART model forced with the ERA-Interim reanalysis. Our findings revealed the terrestrial source in southeastern Brazil (SEB) and the oceanic source limited by the box between 20-40°S and 30-50°W over SATL (WSATL) as the principal moisture sources, with the overall support of ~27% and ~66%, respectively. However, their contribution varied according to ... : The 28th IUGG General Assembly (IUGG2023) (Berlin 2023) ... |
format |
Article in Journal/Newspaper |
author |
Pérez-Alarcón, Albenis Coll-Hidalgo, Patricia Fernandez-Alvarez, José Carlos Trigo, Ricardo M. Nieto, Raquel Gimeno, Luis |
spellingShingle |
Pérez-Alarcón, Albenis Coll-Hidalgo, Patricia Fernandez-Alvarez, José Carlos Trigo, Ricardo M. Nieto, Raquel Gimeno, Luis The origin of precipitation during the rare case of Hurricane Catarina over the South Atlantic Ocean ... |
author_facet |
Pérez-Alarcón, Albenis Coll-Hidalgo, Patricia Fernandez-Alvarez, José Carlos Trigo, Ricardo M. Nieto, Raquel Gimeno, Luis |
author_sort |
Pérez-Alarcón, Albenis |
title |
The origin of precipitation during the rare case of Hurricane Catarina over the South Atlantic Ocean ... |
title_short |
The origin of precipitation during the rare case of Hurricane Catarina over the South Atlantic Ocean ... |
title_full |
The origin of precipitation during the rare case of Hurricane Catarina over the South Atlantic Ocean ... |
title_fullStr |
The origin of precipitation during the rare case of Hurricane Catarina over the South Atlantic Ocean ... |
title_full_unstemmed |
The origin of precipitation during the rare case of Hurricane Catarina over the South Atlantic Ocean ... |
title_sort |
origin of precipitation during the rare case of hurricane catarina over the south atlantic ocean ... |
publisher |
GFZ German Research Centre for Geosciences |
publishDate |
2023 |
url |
https://dx.doi.org/10.57757/iugg23-0104 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5016448 |
genre |
South Atlantic Ocean |
genre_facet |
South Atlantic Ocean |
op_rights |
Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 |
op_doi |
https://doi.org/10.57757/iugg23-0104 |
_version_ |
1768375152865705984 |