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WRF Domain Wizard The WRF Preprocessing System GUI Jeff S Smith Paula McCaslin and Mark Govett

WRF Domain Wizard The WRF Preprocessing System GUI Jeff S Smith Paula McCaslin and Mark Govett. AMS 2008 Presentation. What is WPS?. WRF Preprocessing System (WPS) Developed at NCAR for WRF ARW and NMM Released with WRF V2.2 and replaces the previous WRF SI (standard initialization)

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WRF Domain Wizard The WRF Preprocessing System GUI Jeff S Smith Paula McCaslin and Mark Govett

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  1. WRF Domain WizardThe WRF Preprocessing System GUIJeff S Smith Paula McCaslin and Mark Govett AMS 2008 Presentation

  2. What is WPS? • WRF Preprocessing System (WPS) • Developed at NCAR for WRF ARW and NMM • Released with WRF V2.2 and replaces the previous WRF SI (standard initialization) • WPS is Three Programs • geogrid.exe – localizes the domain defined in namelist.wps and creates a NetCDF output file. It extracts global geographical data (e.g. soil moisture, vegetation, albedo, etc.) and maps it to the domain projection. • ungrib.exe -- decodes and extracts atmospheric parameters from GRIB files in order to initialize WRF • metgrid.exe -- combines the meteorological data from ungrib with the NetCDF output from geogrid in order to produce a series of NetCDF files that are used to initialize WRF.

  3. What is WRF Domain Wizard (WDW)? • Successor to the WRFSI GUI and is the graphical user interface for WPS • Note: the older WRFSI GUI is not compatible with WPS • Standalone application or run from within WRF Portal • WDW Features • Supports ARW and NMM • Define the region and projection of a domain on map • Define any nests • Write information to namelist.wps • Run the WPS programs • Visualize the netCDF output files

  4. Domain Wizard Technical Info • Software is written in Java • Requires Java 1.4 or later; Java 1.5 is required for visualization • Java 1.6 is recommended for best performance • Runs either on a local computer or remote computer (uses SSH-2 and SFTP for remote connections) • Can run from webpage as a Java Web Start app or downloaded and run from the command line • 384 MB of RAM (memory) available1024 x 768 (or better) video display

  5. Domain Wizard Architecture and Flow Java Virtual Machineuser’s computer (linux, windows, etc.) WRF Domain Wizard Web Page WRF Domain Wizard Java Web Start Link http connection Download Link (user downloads and runs from command line) SSH I/O Local I/O Local or Remote Computer Has WPS Installed On It geogrid ungrib metgrid namelist.wps, WPS data WPS Programs Disk files

  6. http://www.wrfportal.org/DomainWizard.html

  7. Domain Wizard – How to Run • Run using Java Web Start • Just click on a web page link, and the program runs • Or download and run from command line

  8. Domain Wizard – Run via Java Web Start

  9. Domain Wizard – Run via Java Web Start • Run using Java Web Start

  10. Domain Wizard – Run via Java Web Start • Run using Java Web Start

  11. Domain Wizard – Run via Java Web Start • Run using Java Web Start

  12. Domain Wizard – Run via Java Web Start • Run using Java Web Start

  13. Domain Wizard Screens -Configuration • Configuration Window

  14. Domain Wizard Screens -Open

  15. Domain Wizard Screens –Horiz Editor

  16. Domain Wizard Screens –Nest Editor

  17. Domain Wizard Screens –Run WPS

  18. Domain Wizard Screens –Visualize NetCDF

  19. Domain Wizard Screens –Visualize NetCDF

  20. Domain Wizard Screens –Vertical Editor

  21. Questions?

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