Weather and Climate Dynamics
Weather and Climate Dynamics
WCD
Articles | Volume 6, issue 4
Articles | Volume 6, issue 4
https://doi.org/10.5194/wcd-6-1683-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/wcd-6-1683-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 6, issue 4
Research article
 | 
04 Dec 2025
Research article |  | 04 Dec 2025

The potential of GNSS radio occultation data for the analysis of the tropical width: a comparison with reanalyses

Annika Reiter, Julia Danzer, and Andrea K. Steiner

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Short summary
Observational Global navigation satellite system (GNSS) radio occultation (RO) temperature and wind data show high potential to study the tropical width. Comparisons of RO data with state-of-the-art reanalyses demonstrate their feasibility to study the tropopause break and jet stream metrics for zonal-mean and longitudinally-resolved studies. The RO data record provides observations in regions where other methods fall short, such as over oceans and in the Southern Hemisphere.
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The SPARC Reanalysis Intercomparison Project (S-RIP) Phase...