Categories - NWP

72 posts in total

NWP | Microphysics | Convert moisture variables q's into rainfall

Atmospheric models convert moisture variables (\(q_v, q_c, q_r, q_i, q_s, q_g\)) into rainfall and precipitation through microphysics parameterizations that simulate microphysical phase changes and dr

2026-07-02

NWP

#NWP #WRF #MPAS #Microphysics

NWP | Derivation of Turbulent Kinetic Energy (TKE) from YSU/SH

NWP | Eddy Dissipation Rate (EDR) MPAS | Eddy dissipation rate (EDR) We developed a method to estimate the eddy dissipation rate (EDR) using the resolved wind field of the MPAS simulations. (3D fiel

2026-06-11

NWP

#NWP #WRF #MPAS #TKE #EDR #aviation #PBL #YSU #SH

NWP | IFS | Open data as IC/LBC

2026-06-04

NWP

#WRF #WPS #MPAS #ECMWF #IFS #IC/LBC

NWP | CMA | CMA NWP | 中國氣象局數值預報系統

2026-05-29

NWP

#NWP #WRF #MPAS #CMA #CMA_GFS #CMA_MESO #CMA_TYP

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

2026-05-13

NWP

#NWP #WRF #MPAS #GFS #FNL #ERA5 #HKO #IFS #CMA #HKG #HK1980

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

2026-05-12

NWP

#NWP #WRF #MPAS #GFS #ERA5 #Precipitation #TS #ETS #FSS #Rainfall

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

2026-05-07

NWP

#NWP #WRF #MPAS #GFS #FNL #ERA5 #IFS #CMA #ACC

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

2026-04-27

NWP

#NWP #WRF #MPAS #GFS #FNL #ERA5 #DA #IFS #CMA

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」）

在中國大陸，地理資訊不只是「地圖」而已，它被視為國家安全的重要組成部分。這種特殊的政策環境催生了地圖開發中獨有的「偏移」現象。 WGS-84 與 GCJ-02 之間的差異 1. 核心坐標系對比坐標系名稱俗稱定義與用途 WGS-84 地球坐標國際標準。由 GPS 衛星直接返回的原始經緯度。Google Earth（全球版）使用此標準。 GCJ-02 火星坐標中國國家標準

2026-04-10

NWP

#NWP #WRF #MPAS #GFS #FNL #ERA5 #IFS #CMA

NWP | ECMWF（歐洲中期天氣預報中心）的IFS（Integrated Forecasting System）購買數據實際成本

NWP | ECMWF | IFS | Open data IFS 歐洲中期天氣預報中心（ECMWF）的IFS（Integrated Forecasting System）數據，目前主要採用開放數據政策，數據本身基本免費，但根據使用方式和交付需求，可能產生服務費（分發/傳輸成本）。購買 ECMWF（歐洲中期天氣預報中心）IFS（整合預測系統）數據的成本在 2025 年 10 月 1 日之後發生

2026-04-09

NWP

#NWP #WRF #MPAS #GFS #FNL #ERA5 #IFS #CMA #BUFR

NWP | BUFR data | GFS - Binary Universal Form for the Representation of meteorological data

Data Processing – NCEP Data Processand PrepBUFR/BUFR | 2014 GSI Community Tutorial Binary Universal Form for the Representation of meteorological data The Global Forecast System (GFS) utilizes Bina

2026-02-27

NWP

#NWP #WRF #MPAS #GFS #FNL #ERA5 #IFS #CMA #BUFR

Obs | CMFD | 中国区域地面气象要素驱动数据集

中国区域地面气象要素驱动数据集(China Meteorological Forcing Data，以下简称 CMFD) https://data.tpdc.ac.cn/zh-hans/data/e60dfd96-5fd8-493f-beae-e8e5d24dece4 中国区域地面气象要素驱动数据集(China Meteorological Forcing Data，以下简称 CMFD) 是

2026-02-10

NWP

#NWP #WRF #MPAS #HKO #obs #GBA #China #CMFD

Obs | China weather observations | q-weather.info

數據下載 (方法) 僅供學術研究及教學用途 q-weather.info https://q-weather.info/ https://q-weather.info/about/ 本站目标是尽可能完整地搜集、展示并记录气象与空气质量数据。本站的数据均来自于公开的数据源 https://q-weather.info/about/ 注意： 1.本站秉持免费开放的价值观，游客即可使用本站绝大部分

2026-01-27

NWP

#NWP #WRF #MPAS #HKO #obs #GBA #China

NWP | ERA5 hourly time-series data

2026-01-22

NWP

#NWP #WRF #MPAS #ERA5 #time-series

NWP | ADEckS | Tropical Cyclone Track Data | UCAR

Tropical Cyclone Guidance Project (TCGP) | NCAR Research Applications Laboratory (RAL) the Tropical Cyclone Guidance Project (TCGP) | NCAR Research Applications Laboratory (RAL) Automated Tropical

2026-01-20

NWP

#NWP #WRF #MPAS #GFS #FNL #ERA5 #IFS #CMA #TIGGE #TC #typhoon #tracker #UCAR #adecks_open

NWP | ICON

ICON https://www.icon-model.org/ ICOsahedral Nonhydrostatic model (ICON) is a flexible, scalable, high-performance modelling framework for weather, climate and environmental prediction that provides

2026-01-19

NWP

#NWP #WRF #MPAS #GFS #FNL #ERA5 #IFS #CMA #ICON

NWP | AI model output as input (IC/LBC) of WRF/MPAS

NWP | AI for Numerical Weather Prediction (NWP) NWP | ECMWF | IFS | Open data Introduction As the field of Numerical Weather Prediction (NWP) rapidly evolves, the integration of AI-driven forecasti

2025-12-11

NWP

#NWP #WRF #MPAS #ECMWF #AI #ML #PanguWeather

NWP | TempestExtremes | feature detection, tracking, and analysis

TempestExtremes https://climate.ucdavis.edu/tempestextremes.php https://github.com/ClimateGlobalChange/tempestextremes TempestExtremes is a growing collection of detection and characterization algor

2025-11-26

NWP

#NWP #WRF #MPAS #GFS #ERA5 #TC #cyclones

NWP | Anomaly Correlation Coefficient (ACC)

Anomaly Correlation Coefficient (ACC) https://confluence.ecmwf.int/display/FUG/Section+6.2.2+Anomaly+Correlation+Coefficient ECMWF_ACC_definition The Anomaly Correlation Coefficient (ACC) is one of

2025-11-24

NWP

#NWP #WRF #MPAS #GFS #FNL #ERA5 #IFS #CMA #ACC

NWP | TC Best Track | IBTrACS

NWP | Tropical Cyclone Track Data | TIGGE International Best Track Archive for Climate Stewardship (IBTrACS) website IBTrACS The International Best Track Archive for Climate Stewardship (IBTrACS)

2025-10-30

NWP

#NWP #WRF #MPAS #GFS #FNL #ERA5 #IFS #CMA #TIGGE #TC #typhoon #tracker #IBTrACS