Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 19, issue 17
Articles | Volume 19, issue 17
https://doi.org/10.5194/amt-19-5553-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/amt-19-5553-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 17
Research article
 | 
31 Aug 2026
Research article |  | 31 Aug 2026

Impact of high-volume GNSS Radio Occultation data on the Navy's global numerical weather prediction

Hui W. Christophersen, Benjamin Ruston, and Dan Tyndall

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Short summary
This study examined whether adding large volumes of satellite-based atmospheric data can improve weather forecasts in a Navy model. Using a series of controlled experiments, we tested different ways of incorporating the data. Simply adding it introduced biases, but adjusting how the data were used led to clear improvements. All missions contributed positively, with Spire providing the largest total benefit and COSMIC-2 the highest impact per observation.
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The Radio Occultation Modeling EXperiment (ROMEX): observational...