NWP | CMA | CMA_GFS real time data 中國氣象局(China Meteorological Administration,縮寫:CMA),是中華人民共和國國務院負責氣象行政管理與科學研究的副部級直屬事業單位。 CMA-GFS (原名为GRAPES-GFS) 作为我国自主研发的新一代全球数值预报模式,从初始场、变分同化、模式框架等核心技术均实现了自主化。CMA-GFS全球模式从2001年开始组织数值预报团队启动研发,2016年实现业务化 2025-04-02 NWP #NWP #WRF #MPAS #CMA #CMA_GFS
NWP | DA | Kalman Filter Optimal Interpolation (OI), 3D-Variational Assimilation (3DVar), and the Kalman Filter (KF) share foundational mathematical objectives but differ in implementation and error covariance treatment. Belo 2025-04-02 NWP #NWP #WRF #MPAS #DA #KF #EKF #EnKF
NWP | DA | Optimal weight matrix W Data assimilation (DA) NWP | DA | Kalman Filter NWP | DA | 4D-Var To derive the optimal weight matrix $ $in DA, we follow a minimum variance approach to combine background (model) and observation d 2025-04-02 NWP #NWP #WRF #MPAS #DA #KF #EKF #EnKF
NWP | DA | 4D-Var Data assimilation (DA) 4D-Var for Dummies | 2009 Linearised physics: the heart of ECMWF’s 4D-Var | 2023 WRF 多重解析度四維變分資料同化方法之研究 | 劉志權 | 2019 25 years of 4D-Var: how machine learning can improve the 2025-03-20 NWP #NWP #WRF #MPAS #DA #4Dvar
NWP | Spectral Method Spectral methods Spectral methods in numerical weather prediction (NWP) are advanced computational techniques that use global basis functions to solve the atmospheric governing equations with high acc 2025-03-20 NWP #NWP #ECMWF #spherical harmonics #Truncation for wave numbers
Precipitation minus Evaporation (P-E) Precipitation minus Evaporation (P-E) To calculate Precipitation minus Evaporation (P-E) in numerical weather simulations using mixing ratio, the process involves analyzing atmospheric moisture fluxes 2025-03-20 Meteorology #NWP #WRF #MPAS #Precipitation #Evaporation #Hydrology
NWP | AI | NeuralGCM NWP | AI for Numerical Weather Prediction (NWP) NeuralGCM is trained through a sophisticated process that combines differentiable physical modeling with machine learning optimization techniques. He 2025-03-18 NWP #NWP #AI #ML
MPAS | LBC Links https://mpas-dev.github.io/ /MPAS-Model/releases MPAS-Atmosphere Users' Guide V4.0 MPAS-Atmosphere Users' Guide V5.3 MPAS-Atmosphere Users' Guide V6.3 MPAS-Atmosphere Users' Guide V7.0 MPAS-Atm 2025-03-14 MPAS #NWP #WRF #MPAS #IC #LBC
MPAS | FDDA Links https://mpas-dev.github.io/ /MPAS-Model/releases MPAS-Atmosphere Users' Guide V4.0 MPAS-Atmosphere Users' Guide V5.3 MPAS-Atmosphere Users' Guide V6.3 MPAS-Atmosphere Users' Guide V7.0 MPAS-Atm 2025-03-13 MPAS #NWP #WRF #MPAS #FDDA
MPAS | Convert LCZs into static.nc Map of Local Climate Zones (LCZs) LCZs source Fast and easy Local Climate Zone mapping My example: https://waipangsze.github.io/2024/10/07/Global-LCZ-for-Urban/#some-regional-lcz-datasets tiff fil 2025-03-11 MPAS #WRF #MPAS #Urban #UCM #LCZs #UCPs