Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 18, issue 22
Articles | Volume 18, issue 22
https://doi.org/10.5194/amt-18-6997-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/amt-18-6997-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 22
Research article
 | 
24 Nov 2025
Research article |  | 24 Nov 2025

Evaluation of biases and uncertainties in ROMEX radio occultation observations

Richard Anthes, Jeremiah Sjoberg, Jon Starr, and Zhen Zeng

Supplement

https://doi.org/10.5194/amt-18-6997-2025-supplement

Data sets

The Japanese Reanalysis for Three Quarters of a Century Numerical Prediction Division, Information Infrastructure Department https://doi.org/10.20783/DIAS.645

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Short summary
The Radio Occultation Modeling EXperiment (ROMEX) is an international collaboration to test the impact of varying numbers of radio occultation (RO) observations in numerical weather prediction (NWP) forecast models. An unprecedented 35 000 RO profiles per day from 13 different satellite missions are being used in different NWP forecast models. The quality (random and bias errors) of the ROMEX observations is evaluated in this paper.
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The Radio Occultation Modeling EXperiment (ROMEX): observational...