WRF

Free Met Data from NCAR

Real-time Data from NCEP

 

 

 

WRF Source Codes and Graphics Software Download Page

For quick navigation, click any link in the below boxes

Version 3.5.1
WRF-ARW
WPS
WRF-DA
WRF-Chem
Post Processing
Utilities
Testing


This page provides downloads for the latest release of Versions 3.5, 3.4, 3.3, and 3.2 (for previous releases click here).


If you are a first-time WRF user, learn how to run the programs via the online tutorial.


***Please read this special note if you are using NCAR's Yellowstone.***






Below is the most current source code (Version 3.5.1, released September 23, 2013). Please see further down on the page for older versions, specific instructions, and more information. To download, simply click the blue "tar file."

WRF Downloads for the most recent version: 3.5.1

WRF-ARW
tar file
Known Problems
Updates
WPS
tar file
Known Problems
Updates
WRF-DA
tar file
Updates
WRF-Chem
tar file
 







WRF-ARW Code Downloads

Version 3.5.1
September 23, 2013
tar file
Known Problems
Updates
Version 3.5
April 18, 2013
tar file
Known Problems
Updates
Version 3.4.1
August 16, 2012
tar file
Known Problems
Updates
Version 3.4
April 6, 2012
tar file
Known Problems
Updates
Version 3.3.1
September 22, 2011
tar file
Known Problems
Updates
Version 3.3
April 6, 2011
tar file
Known Problems
Updates
Version 3.2.1
August 18, 2010
tar file
Known Problems
Updates
Version 3.2
April 2, 2010
tar file
Known Problems
Updates

For WRF model test data, please click here.



 




WRF Preprocessing System (WPS) Code Downloads

Version 3.5.1
September 23, 2013
tar file
Version 3.5
April 18, 2013
tar file
Version 3.4.1
August 16, 2012
tar file
Version 3.4 (Updated)
June 5, 2012
tar file
Version 3.4
April 6, 2012
tar file
Version 3.3.1
September 22, 2011
tar file
Version 3.3
April 6, 2011
tar file
Version 3.2.1
August 18, 2010
tar file
Version 3.2
April 2, 2010
tar file

**IMPORTANT: Before running WPS, you will need to download the WPS Geography data, which you can find here.
(Terrain and landuse data for all resolutions has been updated since the release of Version 3.5.1. The corrections are specific to the poles and International Dateline)

For WPS test data, please click here.

The following are external libraries one must install before running ungrib for GRIB 2 data:

JasPer
An implementation of the JPEG 2000 standard for "lossy" compression
JasPer Website
PNG
Libraries for "lossless" compression
PNG Website
zlib
Another compression library
zlib Website

  WPS GUI

If you are interested in using a graphical user interface for WPS, please visit http://esrl.noaa.gov/gsd/wrfportal/WRFPortal.html









WRF-DA Code Downloads

Version 3.5.1
September 23, 2013
tar file
Updates
Version 3.5.0.1
August 23, 2013
tar file
Updates
Version 3.5
April 18, 2013
tar file
Updates
Version 3.4.1
August 16, 2012
tar file
Updates
Version 3.4
April 6, 2012
tar file
Updates
Version 3.3.1
September 27, 2011
tar file
Updates
Version 3.3
April 6, 2011
tar file
Updates
Version 3.2.1
August 18, 2010
tar file
Updates
Version 3.2
April 2, 2010
tar file
Updates

To learn more about WRF-DA and how to use it, please visit the WRF-DA home page.

For WRF-DA test data, click here.

For the MADIS2LITTLER converter, see the Utilities section.



 



WRF-Chemistry Code Downloads

Version 3.5.1
September 23, 2013
tar file
Version 3.5
April 18, 2013
tar file
Version 3.4.1
August 16, 2012
tar file
Version 3.4
April 6, 2012
tar file
Version 3.3.1
September 22, 2011
tar file
Version 3.3
April 6, 2011
tar file
Version 3.2.1
August 18, 2010
tar file
Version 3.2
April 2, 2010
tar file

**Important: When downloading WRF-Chemistry code, first download the WRFV3 tar file, untar it, and then untar the WRF-Chem code inside the WRFV3 directory. This will create a sub-directory called '/chem.'

  
Please go to http://ruc.noaa.gov/wrf/WG11 for WRF-Chem information and support.







WRF Post-Processing Software Downloads

NCL
We recommend downloading version 5.1.0 or greater. All functions needed to view WRF data with NCL are located inside the NCL libraries. Details on using functions, in addition to several example scripts can be found here.
Download NCL
RIP4

Version 4.6.5 (updated October 4, 2013).
For more information, please see the RIP4 User's page.
**Note the compilation functions have been upgraded for this version. To compile you no longer need to type 'make.' In this version, use '.configure' and './compile.'

Download RIP4 tar file
RIP4 + No CRAY Pointers
Experimental version without CRAY pointers. Works with g95. If you do not NEED this option, use version 4.6.3 above.
All information for the above version also applies to this option.
Download the tar file
ARWpost Version 3.1
Updated March 2, 2011.
This version no longer requires WRFV3 to compile. There is also no longer an option for vis5D output (removed due to no update to vis5D since 1999, and newer 3D software for displaying WRF data is now available). This version includes a bug fix to correctly handle P_TOP.
Download ARWpost V3.1
ARWpost Version 2.2
Updated April 2, 2010
Download ARWpost V2.2

 




 

WRF Utilities Downloads

read_wrf_nc
Updated February 13, 2009
This is a fix for -ts and -rot, when reading U10 and V10. With this, all variables will be unstaggered when -ts is used.
Download read_wrf_nc
iowrf

Updated February 26, 2008
Fix: ratio in -thin option
Addition: option -A for destaggering output

Download iowrf
p_interp
New since August 2010
Download p_interp
v_interp
Updated September 4, 2009
Major bug fix for wrfbdy interpolation
Download v_interp
OBSGRID
Updated September 17, 2013
Objective Analysis package. For details regarding this package, please see the online User's Guide.
Download OBSGRID
diffwrf
Download diffwrf
MADIS2LITTLER
Released October 30, 2013
Updated February 2014
Download MADIS2LITTLER

 




 

WRF Testing

WRF Testing Framework
Updated October 24, 2013
tar file

*The WRF Testing Framework is designed to build, test, and analyze test results for one or more versions of the WRF model.

**For more information on testing, click here.

***Please also review the following documents before testing:

(1) Information for WRF Code Contributors
(2) WRF Code Repository and Release Administration





Model Evaluation Tools

Get the latest version and documentation at http://www.dtcenter.org/met/users/

 


 
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