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Atmosphere
Special Issues
Cyclones: Types and Phase Transitions
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Cyclones: Types and Phase Transitions

A special issue of Atmosphere (ISSN 2073-4433). This special issue belongs to the section "Meteorology".

Deadline for manuscript submissions: 30 July 2025 | Viewed by 1679

Special Issue Editors

Prof. Dr. Michelle Simões Reboita

E-Mail Website
Guest Editor
Natural Resources Institute - IRN, Federal University of Itajubá, Itajubá, Minas Gerais 37500-903, Brazil
Interests: climate; climate modeling; synoptic meteorology
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Rosmeri Porfírio da Rocha

E-Mail Website
Guest Editor
Departamento de Ciências Atmosféricas - IAG, Universidade de São Paulo, São Paulo 05508-090, Brazil
Interests: climate; climate modeling; synoptic meteorology
Special Issues, Collections and Topics in MDPI journals
Dr. Wataru Yanase

E-Mail Website
Guest Editor
Meteorological Research Institute, Japan Meteorological Agency, Tsukuba 305-0052, Japan
Interests: tropical cyclone; extratropical cyclone; hybrid cyclone

Special Issue Information

Dear Colleagues,

There are different types of synoptic-scale cyclones (extratropical, subtropical, and tropical) and phase transitions. The most widely used method to classify cyclone types and phases is the one developed by Bob Hart, called Cyclone Phase Space (CPS). However, this methodology has limitations as it does not allow for the use of universal thresholds in cyclone classification due to its dependency on data resolution. Addressing this issue, the Tenth International Workshop on Tropical Cyclones (IWTC-10) of the World Meteorological Organization (WMO) highlighted the necessity for efforts to develop a universal methodology to identify cyclone types and their transitions. This Special Issue aims to fill this scientific gap. In addition, we aim to publish studies focusing on numerical simulations of cyclones and polar lows from different perspectives: synoptic, seasonal forecasts, and climate projections, using either convection-permitting models or not. The keywords provided below indicate the wide spectrum of topics that can be addressed in this Special Issue.

Prof. Dr. Michelle Simões Reboita
Prof. Dr. Rosmeri Porfírio da Rocha
Dr. Wataru Yanase
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Atmosphere is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • extratropical cyclones
  • tropical cyclones
  • subtropical cyclones
  • Medicanes
  • polar lows
  • extratropical transition
  • tropical transition
  • tracking forecasting
  • convection-permitting simulations
  • cyclones and hazards
  • synoptic forecast
  • seasonal forecast
  • climate change

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Published Papers (1 paper)

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Research

24 pages, 7431 KiB  
Article
Cyclone Classification over the South Atlantic Ocean in Centenary Reanalysis
by Eduardo Traversi de Cai Conrado, Rosmeri Porfírio da Rocha, Michelle Simões Reboita and Andressa Andrade Cardoso
Atmosphere 2024, 15(12), 1533; https://doi.org/10.3390/atmos15121533 - 21 Dec 2024
Viewed by 953
Abstract
Since the beginning of the satellite era, only three tropical cyclones have been recorded over the South Atlantic Ocean. To investigate the potential occurrence of such systems since the 1900s, ERA20C, a centennial reanalysis, was utilised. This study first evaluates the performance of [...] Read more.
Since the beginning of the satellite era, only three tropical cyclones have been recorded over the South Atlantic Ocean. To investigate the potential occurrence of such systems since the 1900s, ERA20C, a centennial reanalysis, was utilised. This study first evaluates the performance of ERA20C in reproducing the climatology of all cyclone types over the southwestern South Atlantic Ocean by comparing it with a modern reanalysis (ERA5) for the period 1979–2010. Despite its simpler construction, ERA20C is able to reproduce key climatological features, such as frequency, location, seasonality, intensity, and thermal structure of cyclones similar to ERA5. Then, the Cyclone Phase Space (CPS) methodology was applied to determine the thermal structure at each time step for every cyclone between 1900 and 2010 in ERA20C. The cyclones were then categorised into different types (extratropical, subtropical, and tropical), and systems exhibiting a warm core at their initial time step were classified as tropical cyclogenesis. Between 1900 and 2010, 96 cases of tropical cyclogenesis were identified over the South Atlantic. Additionally, throughout the lifetime of all cyclones, a total of 1838 time steps exhibited a tropical structure, indicating that cyclones can acquire a warm core at different stages of their lifecycle. The coasts of southeastern and southern sectors of northeast Brazil emerged as the most favourable for cyclones with tropical structures during their lifecycle. The findings of this study highlight the occurrence of tropical cyclones in the South Atlantic prior to the satellite era, providing a foundation for future research into the physical mechanisms that enabled these events. Full article
(This article belongs to the Special Issue Cyclones: Types and Phase Transitions)
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