Assimilating FY-4A Lightning and Radar Data for Improving Short-Term Forecasts of a High-Impact Convective Event with a Dual-Resolution Hybrid 3DEnVAR Method
Abstract
:1. Introduction
2. Data and Methods
2.1. Lightning Data
2.2. Radar Data
2.3. Data Assimilation Methods
2.3.1. DVAR Method
2.3.2. Dual-Resolution Hybrid 3DEnVAR Method
3. Experimental Design and Model Description
3.1. Experimental Design
3.2. Model Description
4. Results
4.1. Analysis Field of Single-analysis Experiments
4.1.1. Radar Reflectivity and Wind Field
4.1.2. Water Vapor and Hydrometers
4.2. Forecast Field
4.2.1. The Single-analysis Experiments
4.2.2. The Cycling Analysis Experiments
5. Summary and Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Acknowledgments
Conflicts of Interest
References
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Experiments | Data Assimilated | Data Assimilation Methods |
---|---|---|
CTL | None | None |
LDA_3DVAR | FY-4A LMI | 3DVAR method |
LDA_Hybrid_cov06 | Hybrid 3DEnVAR method, , | |
RDA_3DVAR | Radar reflectivity and radial velocity | 3DVAR method |
RDA_Hybrid_cov06 | Hybrid 3DEnVAR method, , | |
LRDA_3DVAR | FY-4A LMI, radar reflectivity, and radial velocity | 3DVAR method |
LRDA_Hybrid_cov06 | Hybrid 3DEnVAR method, , ) | |
LRDA_Hybrid_cov08 | Hybrid 3DEnVAR method, (, | |
LRDA_Hybrid_cov10 | Hybrid 3DEnVAR method, , |
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Liu, P.; Yang, Y.; Lai, A.; Wang, Y.; Fierro, A.O.; Gao, J.; Wang, C. Assimilating FY-4A Lightning and Radar Data for Improving Short-Term Forecasts of a High-Impact Convective Event with a Dual-Resolution Hybrid 3DEnVAR Method. Remote Sens. 2021, 13, 3090. https://doi.org/10.3390/rs13163090
Liu P, Yang Y, Lai A, Wang Y, Fierro AO, Gao J, Wang C. Assimilating FY-4A Lightning and Radar Data for Improving Short-Term Forecasts of a High-Impact Convective Event with a Dual-Resolution Hybrid 3DEnVAR Method. Remote Sensing. 2021; 13(16):3090. https://doi.org/10.3390/rs13163090
Chicago/Turabian StyleLiu, Peng, Yi Yang, Anwei Lai, Yunheng Wang, Alexandre O. Fierro, Jidong Gao, and Chenghai Wang. 2021. "Assimilating FY-4A Lightning and Radar Data for Improving Short-Term Forecasts of a High-Impact Convective Event with a Dual-Resolution Hybrid 3DEnVAR Method" Remote Sensing 13, no. 16: 3090. https://doi.org/10.3390/rs13163090