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WRF安装和郑州极端暴雨个例模拟

  • 2026-02-10 14:13:49
WRF安装和郑州极端暴雨个例模拟
🖍️编译WRF
📍进入高性能服务器,到自己的账户下,考入WRF安装包,解压:
📍进入源程序目录,configure选择35 gfortran以及1 basic嵌套方案:
📍编译主程序compile em_real,约15分钟后在main下生成了real.exe wrf.exe,WRF安装成功
🖍️编译WPS
📍考入WPS安装包,解压并进入源程序目录,configure选择1 gfortran:
📍geog_data路径添加到configure.wps文件GEOG_DATA_PATH
📍编译主程序compile wps,约15分钟后在主目录下生成了geogrid.exe ungrib.exe metgrid.exe,WPS安装成功

🖍️郑州极端暴雨过程的数值模拟

📍编辑namelist.wps,把中心经纬度改成暴雨中心34.7,113.7,分辨率改成9/3km双重嵌套:
📍运行geogrid.exe处理地形数据,在当前目录下得到静态文件geo_em.d01.nc和geo_em.d02.nc:
📍链接GFS的Vtable,link_grib.csh链接服务器上的fnl数据,生成AAA文件:
📍运行ungrid.exe,解码GRIB数据,会生成一串GRIBFILE.AAB等文件:
📍运行metgrid.exe,对解码后的数据进行水平插值,生成一串met_em.d0*.nc等文件前处理过程已全部完成
📍进入WRF文件夹,修改namelist.input的运行时间、分辨率和WPS一致,选择需要的参数化方案。链接met_em*文件,运行real.exe,生成wrfbdy_d*.nc和wrfinput_d*.nc等文件:
📍执行qsub qwrf.sh提交任务,qstat -f查看状态,等待积分结束,生成一串wrfout_d*文件,可以一个时次一个文件,也可以多个时次一个文件。

🖍️郑州极端暴雨过程初步分析

📍环流形势分析表明,在此次郑州极端暴雨发生前,中高纬度与副热带系统已构成稳定的高压坝阻塞形势
📍500hPa黄淮低涡在郑州上空稳定维持并持续增强,其东侧的副热带高压和大陆高压构成的脊线稳定位于江南地区。
📍在两高对峙的背景下,850hPa低层西南急流显著发展,不仅构成了指向暴雨区的超强水汽通道更通过其左前侧的辐合上升区为对流触发提供了直接的动力条件。
📍同时,远海的台风“烟花”作为强大的水汽泵,与副高共同形成跨越千里的水汽输送带,将大量暖湿空气远距离输送至暴雨区。这种稳定的阻塞形势、高效的水汽输送长时间耦合,促成了此次历史性极端暴雨事件。
📍18-21日模拟结果基本能够把郑州暴雨中心的落区和强度模拟出来,但是整体上位置比实况有些偏西、偏南。还需要继续调整各种参数化方案,达到最优模拟结果。
📍以暴雨初期的20日06时的对流有效位能为例进行分析,可以看到河南的大部分地区位于CAPE>1000 J/kg的大值区域,南部、东部可以达到2000J/kg,为此次暴雨过程提供了充分的不稳定能量。

📌

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  1. CONNECT:[ UseTime:0.000998s ] mysql:host=127.0.0.1;port=3306;dbname=i460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001491s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000685s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000651s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001276s ]
  6. SELECT * FROM `set` [ RunTime:0.000525s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001350s ]
  8. SELECT * FROM `article` WHERE `id` = 477969 LIMIT 1 [ RunTime:0.001003s ]
  9. UPDATE `article` SET `lasttime` = 1770711566 WHERE `id` = 477969 [ RunTime:0.021293s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000652s ]
  11. SELECT * FROM `article` WHERE `id` < 477969 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001084s ]
  12. SELECT * FROM `article` WHERE `id` > 477969 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.002973s ]
  13. SELECT * FROM `article` WHERE `id` < 477969 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001766s ]
  14. SELECT * FROM `article` WHERE `id` < 477969 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002312s ]
  15. SELECT * FROM `article` WHERE `id` < 477969 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001457s ]
0.201552s