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South Asian High | 南亞高壓

South Asian High | 南亞高壓

南亞高壓 (South Asian High) 南亞高壓是一種季節性的大氣系統,其形成主要與青藏高原在夏季的巨大熱源有關。 高原上空的空氣比周圍同高度的空氣更暖,導致高層大氣形成高壓,並引發空氣從高壓中心向四周流動,形成南亞高壓。 南亞高壓的成因: 青藏高原的熱力作用: 太陽輻射加熱:太陽輻射加熱青藏高原地表,使地表附近的空氣變暖。 陸地比海洋吸熱快,因此歐亞大陸夏季比周圍地區更熱,青藏高原作為
2025-05-18
Meteorology
#NWP #WRF #MPAS
Telegram | Push Notification | Bot

Telegram | Push Notification | Bot

push notifications with a Telegram bot To set up push notifications with a Telegram bot, you'll need to create a bot using BotFather, obtain its token, and then use the Telegram Bot API to send messag
2025-05-16
Telegram
#NWP #WRF #MPAS #ecFlow #micromamba #Bot
ecFlow | alias

ecFlow | alias

ecFlow -- Installation & Usage Introduction to the Alias Function in ecFlow ecFlow is a workflow management system developed by the European Centre for Medium-Range Weather Forecasts (ECMWF) to
2025-05-16
ecFlow
#WRF #MPAS #Micromamba #Spack #ecFlow #Conda
ecFlow | ECF_DATE is empty?

ecFlow | ECF_DATE is empty?

ecFlow -- Installation & Usage Key Points It seems likely that ECF_DATE is empty because the suite definition in ecFlow lacks a clock attribute, which is needed to generate the date. Research
2025-05-15
ecFlow
#WRF #MPAS #Micromamba #Spack #ecFlow #Conda
Linux | Linux 權限詳解(chmod)

Linux | Linux 權限詳解(chmod)

在Linux系統中,檔案權限受到嚴格控制,進行特定操作時必須擁有相應的權限才能成功執行。 Linux中的檔案權限類型主要包括讀取、寫入和執行,分別用字母 r、w、x 表示。 權限的層級分為擁有者、群組和其他用戶。每個檔案可以針對這三個層級設置不同的 rwx(讀寫執行)權限。通常,一個檔案只能屬於一個使用者和一個群組。如果其他使用者需要訪問該檔案的權限,可以將其加入擁有權限的群組,並且一個使用者
2025-05-14
Linux
#HPC #shell script #Linux #Terminal #chmod
MPAS | graph.info (Mesh Connectivity file)

MPAS | graph.info (Mesh Connectivity file)

MPAS | Mesh Connectivity (graph.info) file for the mesh WRF | MPAS | MPI | halo/ghost cell MPAS | mesh generation MPAS | Variable-resolution mesh generation MPAS-Atmosphere Mesh Generation | Michael
2025-05-11
MPAS
#NWP #WRF #MPAS #mesh generation #Lloyd iteration #graph.info #MPAS-Tools #jigsaw
MPAS | mesh generation

MPAS | mesh generation

MPAS | Mesh Connectivity (graph.info) file for the mesh WRF | MPAS | MPI | halo/ghost cell MPAS | Variable-resolution mesh generation MPAS-Atmosphere Mesh Generation | Michael G. Duda | NCAR/MMM MPAS
2025-05-09
MPAS
#NWP #WRF #MPAS #mesh generation #Lloyd iteration #graph.info #MPAS-Tools #jigsaw
NWP | MPAS | WRF| Albedo calculation

NWP | MPAS | WRF| Albedo calculation

Albedo Description of albedo calculation | Aug 30, 2018 If you map data to the 24-category USGS data, then albedo will begiven at the model start time, based on the LANDUSE.TBL. Since t
2025-05-09
NWP
#NWP #WRF #MPAS #Meteorology #Albedo #static.nc #geogrid.exe #LANDUSE
NWP | MPAS | Radar Reflectivity

NWP | MPAS | Radar Reflectivity

Radar Reflectivity(雷達回波) 在描述雷達回波圖時,總是避免不了用到一個單位 —— dBZ 。 「dBZ」 是表示雷達回波強度的物理量,可用來估算降雨和降雪強度及預測諸如冰雹、強風等災害性天氣出現的可能性。一般來說,它的數值越大,降雨、降雪的可能性越大,強度也越強。 當回波強度大於或等於40dBZ時,出現雷雨天氣的可能性較大; 當它的值在45dBZ或以上時,出現暴雨、冰雹、強風
2025-05-07
NWP
#NWP #WRF #MPAS #HKO #Meteorology
Barotropic vs. Baroclinic Atmosphere

Barotropic vs. Baroclinic Atmosphere

Barotropic vs. Baroclinic Atmosphere Barotropic 正壓 Baroclinic 斜壓 正壓與斜壓的數學差異在於等壓面與等密度面是否平行:平行為正壓,不平行為斜壓。低緯度通常平行,高緯度則有夾角。可通過判斷 \(\nabla P \times \nabla \rho\) 是否為零來確認。 在大氣中討論正壓與斜壓時,通常聚焦於不穩定性,即正壓不穩定與斜壓
2025-05-03
Meteorology
#NWP #WRF #MPAS
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