Difference between revisions of "WRF"

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=<span style="font-size: 1.4em;">WRF</span>=
 
  
==Overview==
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&nbsp;
  
The Weather Research and Forecasting (WRF) model is a next-generation mesoscale numerical weather prediction system designed to serve both operational forecasting and atmospheric research needs. It features multiple dynamical cores, a 3-dimensional variational (3DVAR) data assimilation system, and a software architecture allowing for computational parallelism and system extensibility. WRF is suitable for a broad spectrum of applications and across scales ranging from meters to thousands of kilometres.
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= Overview =
  
If you have any corrections, comments or contributions, please feel free to email us on [[mailto:climate_help@nf.nci.org.au | climate_help@nci.org.au]] so that we can continue to update and upgrade the guides over time.
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The Weather Research and Forecasting (WRF) model is a next-generation mesoscale numerical weather prediction system designed to serve both operational forecasting and atmospheric research needs. It features multiple dynamical cores, a 3-dimensional variational (3DVAR) data assimilation system, and a software architecture allowing for computational parallelism and system extensibility. WRF is suitable for a broad spectrum of applications and across scales ranging from meters to thousands of kilometres. For more details check out the [https://www.mmm.ucar.edu/models/wrf WRF Home Page].&nbsp;
  
The installation (obtaining and compiling the source code) is NCI specific. The NCAR guides which we link to give instructions for compilation. DO NOT USE THOSE INSTRUCTIONS. They will not work. First, install WRF using this wiki's instructions and only follow the NCAR guides for running your simulation.
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= Updates =
  
==Installation Guides:==
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If you have any corrections, comments or contributions, please email us on cws_help@nci.org.au so that we can continue to update over time.&nbsp;UPP hasn't been ported to Gadi yet.
* [[WRF v4.0.2 installation]]
 
* [[WRF v3.9.1.1 installation]]
 
* [[WRF v3.9 installation]] * New installation instructions *
 
* [[WRF v3.8.1 installation]] * New installation instructions *
 
* [[WRF v3.7.1 installation]] * New installation instructions *
 
* [[WRF V3.6 installation]]
 
* [[WRF V3.5.1 Chem installation]]
 
* [[WRF V3.5.1 installation]]
 
* [[WRF V3.5 installation]]
 
* [[WRF V3.4.1 installation]]
 
* [[WRF V3.4 installation]]
 
* [[WRF V3.3.1 installation]]
 
* [[WRF installation | WRF V3.3 installation]]
 
  
==Running WRF at NCI==  
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== <small>20 November 2022: New WRF version</small> ==
  
[[How to run WRF]]
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'''Versions affected:'''&nbsp;None
  
[[How to run WRF with ERA-Interim data]]
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'''Description''' Version v4.4.1 is now ready to be used on Gadi. Note, WRF only has been updated.&nbsp;
  
[[How to run WRF with inputs in netcdf format]]
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== <small>01 September 2020: New WRF version</small> ==
  
[[WRFPLUS V3.4.1 installation]]
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'''Versions affected:''' None
  
[[WRFDA V3.4.1 installation]]
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'''Description''' Version v4.2.1 is now ready to be used on Gadi. Note, WRF only has been updated. As for v4.2, the WRFV3/ directory was renamed to WRF/.
  
[[WRF Workflow Tools]]
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== <small>11 May 2020: New WRF version</small> ==
  
[[Tips and Tricks]]
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'''Versions affected:'''&nbsp;None
  
==Datasets for WRF==
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'''Description ''' Version v4.2 is now ready to be used on Gadi. Note, WPS and WRF have been updated. I have also renamed the WRFV3/ directory to WRF/.
We keep an updated version of WPS Geog dataset on Raijin under /projects/WRF/data/WPS_GEOG
 
We also keep the data to run the January 2000 WRF tutorial under /projects/WRF/data/JAN00
 
We do not keep any other datasets specifically for WRF use. You may be able to use some of the [http://nci.org.au/data-collections/data-collections/ | RDSI datasets already stored at NCI] or you will have to bring your own dataset.
 
  
==Post-processing software==
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== <small>05 March 2020: ERA-Interim</small> ==
===UPP===
 
The NCEP Unified Post-Processing system (UPP) v3.2 has been installed on Raijin. Although it can be used with several WRF versions, it is dependant on a compilation of WRFV3 and hence is installed in the WRF directory. It can be found under /projects/WRF/WRFV_3.9.1.1 and following versions. The simplest way to use it is to:
 
# Clone the WRFV_3.9.1.1 directory to your working area:
 
<syntaxhighlight>
 
git clone /projects/WRF/WRFV_3.9.1.1
 
</syntaxhighlight>
 
# Compile WRFV3 from WRFV_3.9.1.1 using the run_compile script under WRFV_3.9.1.1/WRFV3
 
# Compile UPP using the run_compile script under WRFV_3.9.1.1/UPPV3.2. Use the -h option to see the help.
 
You can then use UPP on your WRF outputs, no matter what WRF version was used to produce them (at the condition UPP v3.2 is compatible with this WRF version, see the NCAR documentation if you have any doubts).
 
  
UPP has been tested on the January 2000 tutorial outputs using the wrf_cntrl.parm file provided by default in UPP.
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'''Versions affected:'''
  
The CMS team will not provide support to users to run their own cases. Please refer to the [https://dtcenter.org/upp/users/docs/overview.php | UPP documentation] and [https://dtcenter.org/upp/users/support/index.php | user support].
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*V3.9
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*V3.9.1.1
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*V4.0.2
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*V4.1.1
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*V4.1.2
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*V4.1.3
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*V4.1.4
  
**<span style="font-size: 1.4em;">Related links:</span>'''
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'''Description''' [https://github.com/coecms/wps-era wps-era] has now been ported to Gadi for these versions. Note the code is using a new METGRID.TBL: METGRID.TBL.ERAI. This file has been corrected in WRF/WPS/metgrid.
  
[http://www.wrf-model.org | WRF Home Page]
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This file is not distributed with standard WRF but is in the code base ported to Gadi.
  
[http://www.mmm.ucar.edu/wrf/users/docs/arw_v3.pdf | A Description of the Advanced Research WRF Version 3]
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Please clone wps-era and update your WRF code to use this capability.
  
[[WRF tests]]
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'''Compilation''' No compilation is required after updating the code.
  
Process for [[WRF porting to NCI machine]]
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== <small>03 March 2020: Bug</small> ==
[[Category:Main Menu]][[Category:wrf]]
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 +
'''Versions affected:'''
 +
 
 +
*V4.1.1
 +
*V4.1.2
 +
*V4.1.3
 +
*V4.1.4
 +
 
 +
'''Issue description: ''' An error has been found that affect the January 2000 case from the NCAR tutorial. In order to run this case, you will now need to use the Variable Table: Vtable.GFS.tutorial for ungrib.exe.
 +
 
 +
'''Compilation:''' No compilation is required after updating the code base from Github.
 +
 
 +
= Installation at NCI =
 +
 
 +
The code for all versions&nbsp;is now&nbsp;[https://github.com/coecms/WRF on Github]. Please follow the instructions in the README file for the branch corresponding to the version you want to use. The installation (obtaining and compiling the source code) is NCI specific. The NCAR guides which we link to give instructions for compilation. DO NOT USE THOSE INSTRUCTIONS. They will not work.&nbsp;Install WRF using the instructions [https://github.com/coecms/WRF on Github] and only follow the NCAR guides for running your simulation.
 +
 
 +
= Running at NCI =
 +
 
 +
*[[How_to_run_WRF|How to run WRF]]
 +
*[[How_to_run_WRF_with_ERA-Interim_data|How to run WRF with ERA-Interim data]]
 +
*[[How_to_run_WRF_with_inputs_in_netcdf_format|How to run WRF with inputs in netcdf format]]
 +
*[[Tips_and_Tricks|Tips and Tricks]]
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*[[WRF_performance|WRF performance on Gadi]]
 +
*[[WRF_tests|WRF tests]]
 +
 
 +
 
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= Porting WRF to NCI (CMS members only) =
 +
 
 +
[[WRF_porting_to_NCI_machine|Deprecated porting procedure]]
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 +
[[Current_WRF_porting_to_NCI|Current porting procedure]]
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 +
&nbsp;
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 +
[[Category:WRF]] [[Category:Atmosphere Models]]

Latest revision as of 21:13, 20 November 2022

 

Overview

The Weather Research and Forecasting (WRF) model is a next-generation mesoscale numerical weather prediction system designed to serve both operational forecasting and atmospheric research needs. It features multiple dynamical cores, a 3-dimensional variational (3DVAR) data assimilation system, and a software architecture allowing for computational parallelism and system extensibility. WRF is suitable for a broad spectrum of applications and across scales ranging from meters to thousands of kilometres. For more details check out the WRF Home Page

Updates

If you have any corrections, comments or contributions, please email us on cws_help@nci.org.au so that we can continue to update over time. UPP hasn't been ported to Gadi yet.

20 November 2022: New WRF version

Versions affected: None

Description Version v4.4.1 is now ready to be used on Gadi. Note, WRF only has been updated. 

01 September 2020: New WRF version

Versions affected: None

Description Version v4.2.1 is now ready to be used on Gadi. Note, WRF only has been updated. As for v4.2, the WRFV3/ directory was renamed to WRF/.

11 May 2020: New WRF version

Versions affected: None

Description Version v4.2 is now ready to be used on Gadi. Note, WPS and WRF have been updated. I have also renamed the WRFV3/ directory to WRF/.

05 March 2020: ERA-Interim

Versions affected:

  • V3.9
  • V3.9.1.1
  • V4.0.2
  • V4.1.1
  • V4.1.2
  • V4.1.3
  • V4.1.4

Description wps-era has now been ported to Gadi for these versions. Note the code is using a new METGRID.TBL: METGRID.TBL.ERAI. This file has been corrected in WRF/WPS/metgrid.

This file is not distributed with standard WRF but is in the code base ported to Gadi.

Please clone wps-era and update your WRF code to use this capability.

Compilation No compilation is required after updating the code.

03 March 2020: Bug

Versions affected:

  • V4.1.1
  • V4.1.2
  • V4.1.3
  • V4.1.4

Issue description: An error has been found that affect the January 2000 case from the NCAR tutorial. In order to run this case, you will now need to use the Variable Table: Vtable.GFS.tutorial for ungrib.exe.

Compilation: No compilation is required after updating the code base from Github.

Installation at NCI

The code for all versions is now on Github. Please follow the instructions in the README file for the branch corresponding to the version you want to use. The installation (obtaining and compiling the source code) is NCI specific. The NCAR guides which we link to give instructions for compilation. DO NOT USE THOSE INSTRUCTIONS. They will not work. Install WRF using the instructions on Github and only follow the NCAR guides for running your simulation.

Running at NCI


Porting WRF to NCI (CMS members only)

Deprecated porting procedure

Current porting procedure