How does assimilating a large commercial GNSS RO dataset impact HAFS hurricane forecasts? An evaluation in support of the ROMEX experiment

Miller, William J.; Chen, Yong; Ho, Shu-Peng; Shao, Xi

doi:10.5194/amt-19-4833-2026

Articles | Volume 19, issue 14

https://doi.org/10.5194/amt-19-4833-2026

© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

The Radio Occultation Modeling EXperiment (ROMEX): observational...

https://doi.org/10.5194/amt-19-4833-2026

© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 19, issue 14

Research article

|

28 Jul 2026

Research article |

| 28 Jul 2026

How does assimilating a large commercial GNSS RO dataset impact HAFS hurricane forecasts? An evaluation in support of the ROMEX experiment

William J. Miller, Yong Chen, Shu-Peng Ho, and Xi Shao

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Cited articles

Anthes, R. A., Sjoberg, J., Feng, X., and Syndergaard, S.: Comparison of COSMIC and COSMIC-2 radio occultation refractivity and bending angle uncertainties in August 2006 and 2021, Atmosphere, 13, 790, https://doi.org/10.3390/atmos13050790, 2022.

Anthes, R. A., Marquardt, C., Ruston, B., and Shao, H.: Radio Occultation Modeling Experiment (ROMEX): Determining the impact of radio occultation observations on numerical weather prediction, Bull. Amer. Meteor. Soc., 105, 1552–1568, https://doi.org/10.1175/BAMS-D-23-0326.1, 2024.

Blake, E. S.: Tropical cyclone report: Hurricane Earl (AL062022), National Hurricane Center, Tech. Rep., 18 pp., https://www.nhc.noaa.gov/data/tcr/AL062022_Earl.pdf (last access: 13 July 2026), 2023.

Bonavita, M.: On some aspects of the impact of GPSRO observations in global numerical weather prediction, Q. J. Roy. Meteor. Soc., 140, 2546–2562, https://doi.org/10.1002/qj.2320, 2014.

Bowler, N. E.: Revised GNSS-RO observation uncertainties in the Met Office NWP System, Q. J. Roy. Meteor. Soc., 146, 2274–2296, https://doi.org/10.1002/qj.3791, 2020.