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The Predictability of a Heavy Rainfall Event during the Summer of 2022 Using an All-sky Radiance Assimilation Experiment
This paper presents the results of the recent development of the all-sky radiance assimilation system in the Korean Integrated Model (KIM). In the...
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Assimilation of All-Sky Radiance from the FY-3 MWHS-2 with the Yinhe 4D-Var System
Compared with traditional microwave humidity sounding capabilities at 183 GHz, new channels at 118 GHz have been mounted on the second generation of...
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Assimilation of FY-3D MWTS-II Radiance with 3D Precipitation Detection and the Impacts on Typhoon Forecasts
Precipitation detection is an essential step in radiance assimilation because the uncertainties in precipitation would affect the radiative transfer...
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Assimilation of the FY-4A AGRI Clear-Sky Radiance Data in a Regional Numerical Model and Its Impact on the Forecast of the “21·7” Henan Extremely Persistent Heavy Rainfall
Assimilation of the Advanced Geostationary Radiance Imager (AGRI) clear-sky radiance in a regional model is performed. The forecasting effectiveness...
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Satellite All-sky Infrared Radiance Assimilation: Recent Progress and Future Perspectives
Satellite infrared (IR) sounder and imager measurements have become one of the main sources of data used by data assimilation systems to generate...
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Impact of INSAT-3D radiance data assimilation using WRF 3DVAR on simulation of Indian summer monsoon and high-resolution rainfall forecast over hilly terrain
This study describes the impact of assimilation of INSAT-3D radiances data from both imager and sounder for Indian summer monsoon simulation and...
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Assimilation of GPM Microwave Imager Radiance for Track Prediction of Typhoon Cases with the WRF Hybrid En3DVAR System
The impact of assimilating radiance data from the advanced satellite sensor GMI (GPM microwave imager) for typhoon analyses and forecasts was...
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Assimilation of Multiscale Remote Sensing Data to Improve Mesoscale Precipitation Forecasting
This chapter summarizes research related to data assimilationData assimilation of remote sensing data with focus on ground-based weather radar....
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Evaluation of the FY-3E microwave temperature sounding data assimilation on forecasting Typhoon Chanthu (2021)
Fengyun-3E is the first early-morning-orbit polar-orbiting satellite launched by China, which carries the third generation of Microwave Temperature...
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Assimilation of Geostationary Hyperspectral Infrared Sounders (GeoHIS): Progresses and Perspectives
Continuous atmospheric temperature and moisture profiles can be measured by high-temporal geostationary hyperspectral infrared sounderGeostationary...
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Impact of FY-3D MWRI Radiance Assimilation in GRAPES 4DVar on Forecasts of Typhoon Shanshan
In this study, Fengyun-3D ( FY-3D ) MicroWave Radiation Imager (MWRI) radiance data were directly assimilated into the Global/Regional Assimilation and...
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Assimilation of Ocean Surface Wind Data by the HY-2B Satellite in GRAPES: Impacts on Analyses and Forecasts
The ocean surface wind (OSW) data retrieved from microwave scatterometers have high spatial accuracy and represent the only wind data assimilated by...
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Assimilation of All-sky Geostationary Satellite Infrared Radiances for Convection-Permitting Initialization and Prediction of Hurricane Joaquin (2015)
Intensity forecasting is one of the most challenging aspects of tropical cyclone (TC) forecasting. This work examines the impact of assimilating...
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The importance of data assimilation components for initial conditions and subsequent error growth
Despite a specific data assimilation method, data assimilation (DA) in general can be decomposed into components of the prior information,...
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Evaluation of a Regional Ensemble Data Assimilation System for Typhoon Prediction
An ensemble Kalman filter (EnKF) combined with the Advanced Research Weather Research and Forecasting model (WRF) is cycled and evaluated for western...
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Study on the assimilation of the sulphate reaction rates based on WRF-Chem/DART
Sulphate (SO 4 2− ) is a main component of PM 2.5 in China. The chemical formation mechanisms of sulphate are complex, and many air quality models have...
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Assimilation of multi-channel radiances in mesoscale models with an ensemble technique to improve track forecasts of Tropical cyclones
This study focuses on the impact of direct assimilation of Tropical Rainfall Measuring Mission (TRMM) Microwave Imager (TMI) and Visible and Infrared...
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Efficiently Improving Ensemble Forecasts of Warm-Sector Heavy Rainfall over Coastal Southern China: Targeted Assimilation to Reduce the Critical Initial Field Errors
Warm-sector heavy rainfall events over southern China are difficult to accurately forecast, due in part to inaccurate initial fields in numerical...
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Assimilation of GOES-R Geostationary Lightning Mapper Flash Extent Density Data in GSI 3DVar, EnKF, and Hybrid En3DVar for the Analysis and Short-Term Forecast of a Supercell Storm Case
Capabilities to assimilate Geostationary Operational Environmental Satellite “R-series” (GOES-R) Geostationary Lightning Mapper (GLM) flash extent...
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Model Error Representations Using the Covariance Inflation Methods in Ensemble Data Assimilation System
Ensemble data assimilationEnsemble Data Assimilation (EDA) estimates the initial conditionsInitial Condition (IC) and the flow-dependent background...