Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 26, issue 7
Articles | Volume 26, issue 7
https://doi.org/10.5194/acp-26-4633-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/acp-26-4633-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 26, issue 7
Research article
 | 
08 Apr 2026
Research article |  | 08 Apr 2026

Evaluation of reanalysis precipitable water vapor under typhoon conditions using multi-source observations

Jiaqi Shi, Min Li, Andrea K. Steiner, Sebastian Scher, Minghao Zhang, Jiayu Hu, Wenliang Gao, Yongzhao Fan, and Kefei Zhang

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Short summary
This study evaluates how three reanalysis datasets represent precipitable water vapor (PWV) during more than 100 typhoons from 2020 to 2024 using multi-source observations. The fifth-generation European Centre for Medium-Range Weather Forecasts Reanalysis (ERA5) performs best, the Japanese Reanalysis for Three Quarters of a Century (JRA-3Q) improves during typhoons, and the Modern-Era Retrospective Analysis for Research and Applications Version 2 (MERRA-2) is less stable
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The SPARC Reanalysis Intercomparison Project (S-RIP) Phase...
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