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三圈環流與高空西風 | Three-cell circulation and upper-level westerly winds

三圈環流與高空西風 | Three-cell circulation and upper-level westerly winds

全球大氣環流現象一個非常經典且有趣的全球大氣環流現象：無論是在北半球還是南半球，中高緯度的高空（對流層中上部到平流層）基本上都被強勁的西風所統治。這聽起來可能有點反直覺，畢竟地面上有信風（東風）、中緯度西風和極地東風，但到了高空，情況就變得出奇地統一。以下是造成這種「全球高空皆西風」局面的核心邏輯： 1. 根本驅動力：南北溫差太陽輻射在赤道最強，極地最弱。這導致赤道大氣的溫度遠高於極地

2026-02-23

Meteorology

#MPAS #NWP #WRF

MPAS | MPAS-JEDI V3.0.2

MPAS | MPAS-JEDI V3.0.2

MPAS | MPAS-JEDI MPAS | Joint MPAS/WRF Users Workshop 2025 | MPASv8.3.0 obs2ioda https://github.com/jamiebresch/obs2ioda https://github.com/jamiebresch/obs2ioda/blob/main/obs2ioda-v2/README.md Co

2026-02-13

MPAS

#MPAS #DA #MPAS-JEDI

MPAS | Simple MPAS I/O Layer (SMIOL)

MPAS | Simple MPAS I/O Layer (SMIOL)

Simple MPAS I/O Layer (SMIOL) The Simple MPAS I/O Layer (SMIOL) is a lightweight, parallel I/O library introduced in MPAS v8.0+ as an alternative to the Parallel I/O (PIO) library. It provides necessa

2026-02-11

MPAS

#MPAS #NWP #WRF #SMIOL

MPAS | Tangential Velocity at Edge

MPAS | Tangential Velocity at Edge

Literature review Skamarock, W. C., Klemp, J. B., Duda, M., Fowler, L., & Park, S. H. (2010, November). Global nonhydrostatic modeling using Voronoi meshes: the MPAS model. In Proceedings of the

2026-02-11

MPAS

#MPAS #NWP #WRF #Tangential Velocity

Obs | CMFD | 中国区域地面气象要素驱动数据集

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

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

CFD | Video

CFD | Video

RANS, URANS, and DES Turbulence Modeling on NACA 0012 Airfoil NACA 0012 Airfoil CFD Simulation in TCAE | RANS, URANS, DES & LES @ 40 FPS NACA 0012 CFD Simulation in TCAE | RANS, URANS, DE

2026-02-05

CFD

#HPC #OpenFOAM #LES #Youtube #RANS #URANS #DES

Water Vapor Flux | 水汽通量

Water Vapor Flux | 水汽通量

Water Vapor Budget Equation (moisture budget equation) The water vapor budget equation (moisture budget equation) dictates that the local change in atmospheric moisture over an area equals evaporation

2026-02-04

Meteorology

#MPAS #NWP #WRF #Water Vapor Budget Equation #Water Vapor Flux #Precipitable Water

Obs | China weather observations | q-weather.info

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

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

Snowfall/Snow depth | 降雪量/降雪深度

Snowfall/Snow depth | 降雪量/降雪深度

MPAS | WRF | precipitation calculation 中国气象局降雪量与降雪深度 | 中国气象报社降雪的形成条件及等级划分 | 中国气象报社科普 | 降雪量≠积雪深度？降雪量与降雪深度是两个不同的概念，降雪量并不是指积雪深度。在气象观测上，降水量是指某一时段内的未经蒸发、渗透、流失的降水，在水平面上积累的深度，以毫米为单位，取一位小数。如果是降雪量，则

2026-01-23

Meteorology

#NWP #WRF #MAPS #Snowfall #Snow depth

NWP | ERA5 hourly time-series data

NWP | ERA5 hourly time-series data

ERA5 dataset ERA5 ERA5T expver dimension issue ERA5 dataset (2) contains invariant variables MPAS | ERA5| Update SST and sea-ice fraction NWP | ERA5 | GRIB1 and GRIB2 WRF | ERA5 IC | SMOIS issue E

2026-01-22

NWP

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