Chong-Chi Tong

Dedicated and skilled meteorological research scientist with over 10 years of experiences in numerical weather prediction modeling and data assimilation (DA). Focused on innovating and enhancing DA systems and techniques for integration into national operational forecasting systems.

• Tong, C.-C., C. Liu, and M. Xue, 2026: Radar data assimilation with JEDI LETKF for ensemble forecasting of Hurricane Ida (2021) using a HAFS-like configuration. Mon. Wea. Rev., https://doi.org/10.1175/MWR-D-25-0139.1
• Tong, C.-C., M. Xue, C. Liu, J. Luo, and Y. Jung, 2024: Development of multi-scale EnKF within GSI and its applications to multiple convective storm cases with radar reflectivity data assimilation using the FV3 limited area model. Mon. Wea. Rev., https://doi.org/10.1175/MWR-D-23-0235.1
• Li, H., C. Liu, M. Xue, J. Park, L. Chen, Y. Jung, R. Kong, and C.-C. Tong, 2022: Use of power transform total number concentration as control variable for direct assimilation of radar reflectivity in GSI En3DVar and tests with six convective storms cases. Mon. Wea. Rev., 821-842. https://doi.org/10.1175/MWR-D-21-0041.1
• Liu, C., H. Li, M. Xue, Y. Jung, J. Park, L. Chen, R. Kong, and C.-C. Tong, 2022: Use of a Reflectivity Operator Based on Two-Moment Thompson Microphysics for Direct Assimilation of Radar Reflectivity in GSI-based Hybrid En3DVar. Mon. Wea. Rev., 907-926. https://doi.org/10.1175/MWR-D-21-0040.1
• Tong, C.-C., Y. Jung, M. Xue, and C. Liu, 2020: Direct assimilation of radar data with ensemble Kalman filter and hybrid ensemble-variational method in the National Weather Service operational data assimilation system GSI for the stand-alone regional FV3 model at a convection-allowing resolution. Geophy. Res. Lett., https://doi.org/10.1029/2020GL090179
• Zhang, G., V. N. Mahale, B. J. Putnam, Y. Qi, Q. Cao, A. D. Byrd, P. Bukovcic, D. S. Zrnic, J. Gao, M. Xue, Y. Jung, H. D. Reeves, P. L. Heinselman, A. Ryzhkov, R. D. Palmer, P. Zhang, M. Weber, G. M. Mcfarquhar, B. Moore III, Y. Zhang, J. Zhang, J. Vivekanandan, Y. Al-Rashid, R. L. Ice, D. S. Berkowitz, C.-C. Tong, C. Fulton, and R. J. Doviak, 2019: Current status and future challenges of weather radar polarimetry: Bridging the gap between radar meteorology/hydrology/engineering and numerical weather prediction. Adv. Atmos. Sci., 571-588, https://doi.org/10.1007/s00376-019-8172-4
• Tong, C.-C., 2015: Limitations and Potential of Complex Cloud Analysis and Its Improvement for Radar Reflectivity Data Assimilation Using OSSEs. Ph.D. Dissertation, School of Meteorology, University of Oklahoma, 177pp, https://shareok.org/handle/11244/25756?show=full.