Westerly Trough | 西風槽 西風槽 Westerlies 西風帶 westerly trough 西風槽 westerly ridge 西風脊 首先我們要知道,地球上的空氣並不是靜止的,而是不停地流動。空氣流動的速度並不平均,流動方向亦會隨著時間及地點而改變。高空擾動是大氣高層氣流方向出現顯著變化的區域。 由於地球近赤道地區空氣受熱膨脹上升繼而流向兩極,加上地球自轉所產生的科里奧利力(Coriolis force)使在北 2024-11-14 Meteorology #NWP #WRF #MAPS
WRF | MPAS Output for WRF IC/BC Using MPAS Output for WRF Initial and Lateral Boundary Conditions Using MPAS Output for WRF Initial and Lateral Boundary Conditions copy as record MPAS output stream Beginning 2024-11-13 WRF #MPAS #WRF #WPS #IC/BC
NWP | ECMWF | IFS | Open data Open Dataset ECMWF to achieve fully open data status in 2025 | 17 March 2025 ECMWF is bringing forward the full transition to open data by an entire year, to 1 October 2025, marking a significant mi 2024-11-12 NWP #MPAS #WRF #ECMWF #WPS #IC/BC #IFS
WRF | topo-wind Introduction The Developmental Testbed Center WRFv3.4.1+ Surface Drag Parameterization Sensitivity Test Plan Points of Contact: Hongli Jiang, Michelle Harrold and Jamie Wolff November 28, 2012 It is 2024-11-02 WRF #MPAS #NWP #WRF
WRF | WPS | WRFDomainWizard WRF | WRFDomainWizard:更简单的确定区域和网格 https://mp.weixin.qq.com/s/GxUqMWWyKeOXN4DbuSDubQ WRF模拟中目标区域确定后,确定网格数目一直是一个比较烦人的问题,单层网格还好,嵌套网格尤其麻烦(eg. 要确定嵌套网格的数据、不同层网格的起始点等)。因此,本篇向大家介绍一个很好的工具,可以更简单的确定网格的相关参数。 该工具 2024-10-30 WRF #NWP #WRF #HPC #WPS
MPAS | NCL High-resolution coastlines NCL High-resolution coastlines One way to get high-resolution coastlines in your NCL maps is by downloading and installing the multi-resolution coastline database RANGS (Regionally Accessible Nested G 2024-10-30 MPAS #MPAS #NWP #WRF #HPC
MPAS | HPC file system failure or MPI failure When having simulation on new cluster, we have issue about the failure of multiple nodes. node up infinite 2 idle node-[1,2] submit by 1 node, it is successful. submit by 2 nodes, it hangs. node-[1,3 2024-10-29 MPAS #NWP #WRF #HPC
MPAS | Minimum computer resources for running MPAS MPAS-A Amount of memory needed to run a particular simulation is to multiply the number of horizontal cells in the mesh by 0.175 MB/cell We find that on Cheyenne, 2024-10-28 MPAS #NWP #WRF
Coriolis force | 科氏力 In physics, the Coriolis force is an inertial (or fictitious) force that acts on objects in motion within a frame of reference that rotates with respect to an inertial frame. In a reference frame with 2024-10-26 Meteorology
Geostrophic wind | 地轉風 地轉風(Geostrophic wind) 地轉風(Geostrophic wind) 是一種科氏力和氣壓梯度力 (Coriolis force and the pressure gradient force)巧妙平衡下產生的一種理論上的風。這個狀況稱為「地轉平衡」 (geostrophic equilibrium or geostrophic balance)。 地轉風的方向和等壓線平行。 這 2024-10-26 Meteorology