Supported by the National Natural Science Foundation of China(42090032 and 42275168).
The atmospheric motion is inherently nonlinear.The high-impact weather events that people concern are generally determined by small-and medium-scale systems overlaid on the large-scale circulation.The accumulation of ...
Supported by the National Natural Science Foundation of China(42090032 and 42275168).
The operational numerical weather prediction system established by the China Meteorological Administration(CMA),based on the Global/Regional Assimilation and Prediction System(GRAPES)model,adopts the classical semi-im...
Supported by the National Key Research and Development Program of China(2017YFC1501900);Middle-and Long-term Development Strategic Research Project of the Chinese Academy of Engineering(2019-ZCQ-06)。
Numerical weather prediction(NWP) is a core technology in weather forecast and disaster mitigation. China’s NWP research and operational applications have been attached great importance by the meteorological communit...
Supported by the National Natural Science Foundation of China(41675108);National Key Research and Development Program(2018YFC1506700);Second Tibetan Plateau Scientific Expedition and Research Program(2019QZKK0105)。
In this study, Fengyun-3 D(FY-3 D) Micro Wave Radiation Imager(MWRI) radiance data were directly assimilated into the Global/Regional Assimilation and Pr Ediction System(GRAPES) four-dimensional variational(4 DVar) sy...
Supported by the Special Fund for Scientific and Technological Innovation Strategy in Guangdong Province of China(2018B020208004);China Meteorological Administration Special Public Welfare Research Fund(GYHY201406006);National Key Research and Development Program of China(2018YFC1506400)。
Predicting the intensity of tropical cyclones(TCs)is challenging in operational weather prediction systems,partly due to the difficulty in defining the initial vortex.In an attempt to solve this problem,this study inv...
Supported by the Youth Talent Development Program of China Meteorological Administration(201702);National Key Research and Development Program of China(2017YFC1501406 and 2017YFA0604502)
This study used the Global/Regional Assimilation and PrEdiction System Single-Column Model(GRAPES_SCM)to simulate monsoon precipitation with deep convective cloud and associated cirrus during the Tropical Warm Pool In...
Supported by the China Meteorological Administration Special Public Welfare Research Fund(GYHY201506003)
Minimization algorithms are singular components in four-dimensional variational data assimilation(4DVar).In this paper,the convergence and application of the conjugate gradient algorithm(CGA),which is based on the Lan...
Supported by the National Key Project of the Ministry of Science and Technology of China(2016YFC0203306);National Natural Science Foundation of China(91544232);National Science and Technology Support Program of China(2014BAC16B03);China Meteorological Administration Innovation Team Fund for Haze–Fog Monitoring and Forecasts
A coupled aerosol–cloud model is essential for investigating the formation of haze and fog and the interaction of aerosols with clouds and precipitation. One of the key tasks of such a model is to produce correct mas...
Supported by the National Natural Science Foundation of China(41575151 and 91644223)
We traced the adjoint sensitivity of a severe pollution event in December 2016 in Beijing using the adjoint model of the GRAPES–CUACE(Global/Regional Assimilation and Prediction System coupled with the China Meteoro...
Supported by the National Natural Science Foundation of China(41375107 and 41305090);National Science and Technology Support Program of China(2012BAC22B02);China Meteorological Administration Special Public Welfare Research Fund(GYHY201406005)
The initial tendency approach is used to diagnose systematic errors in global GRAPES (Global/Regional Assimilation Prediction System), including overly strong westerlies in the northern midlatitudes, cold/warm bias ...