NWP | 香港 1980 方格網 (HK1980 Grid)
NWP | WGS-84（國際標準、GPS原始坐標）與 GCJ-02（國測局坐標，又稱「火星坐標系」） 香港1980方格網（HK1980 Grid） 香港1980方格網（HK1980 Grid）是 香港地政總署測繪處 專為香港本地測量、地圖製作及工程應用而設定的橫墨卡托投影（Transverse Mercator Projection）平面直角坐標系統。在香港1980方格網中，由於坐標已投影
NWP | TS and ETS
TS and ETS Equitable Threat Score (ETS) 與 Threat Score (TS) 是氣象預報驗證中，用來衡量數值模式對特定降雨門檻預報能力的關鍵指標。 1. Threat Score (TS) TS 又稱為 Critical Success Index (CSI)，主要衡量模式對「事件發生」的掌握能力。 定義：正確預報出的事件次數（hits），除以「所有
NWP | MPAS/WRF Physics
WRF Physics 201401/Physics_full.pdf P.105 - Physics in Multiscale NWP Model P.106 - Solver Calling Sequence (ARWexample) Overview of WRFPhysics/201701/physics.pdf The Weather Research and Forecas
MPAS | MPAS-JEDI | obs2ioda
NWP | BUFR data | GFS - Binary Universal Form for the Representation of meteorological data MPAS | MPAS-JEDI MPAS | MPAS-JEDI V3.0.2 MPAS | MPAS-JEDI | spack-stack 1.9.3 MPAS | Joint MPAS/WRF Users W
MPAS | MPAS-JEDI | spack-stack 1.9.3
MPAS | MPAS-JEDI MPAS | MPAS-JEDI V3.0.2 MPAS | Joint MPAS/WRF Users Workshop 2025 | MPASv8.3.0 Spack-Stack: building JEDIbundles on your own machine | 202506NCAS https://spack-stack.readthedocs.i
NWP | WRF-DA | Outer vs. Inner Loops | Incremental approach | Dual-resolution
WRF-DA In WRF Data Assimilation (WRF-DA), particularly for 3DVar (Three-Dimensional Variational) and 4DVar, the use of "loops" is a strategy to handle the inherent non-linearity of the atmosphere whil
ML | PINN Reading List
ML | Physics-informed neural networks (PINN) ML | PINN | DeepXDE 原来好多人都不知道PINN的鼻祖文章是这几篇啊 自动微分（AutoDiff） - AI4Science的核心基础技术 当AI学会算流体：用PINN求解圆柱绕流问题 Ang EHW, Wang G, Ng BF. Physics-Informed Ne
Linux | conda | Make package/environment creation much faster
Conda/Micromamba How to speed up the micromamba install process (both installing micromamba itself and, more importantly, creating environments + installing packages with it). 1. Install micromamba