WRF-Solar: Geog-data missing in the download package

All things involving the setup (compiling, NetCDF, etc.) of the WRF Model itself.

WRF-Solar: Geog-data missing in the download package

Postby malik » Thu Apr 06, 2017 1:53 am

Hi All

I downloaded WRF-SOLAR and WPS-WRF-SOLAR from https://wiki.ucar.edu/pages/viewpage.ac ... =321619872

In the downloaded package, I am supposed to get the geographical data related to monthly aerosol climatology as well. At-least that is what, this one-paged user-guide for WRF-SOLAR says: https://wiki.ucar.edu/download/attachme ... 000&api=v2 (please see paragraph 3).

But they were not found in the downloaded tar-balls.

From the file GEOGRID.TBL that was in the downloaded geogrid directory, I found out the names of these geographical static data. These are three files named (1) aod5502d, (2) angexp2d and (3) aerssa2d.

These were not found also in the wps files of main WRF located at http://www2.mmm.ucar.edu/wrf/src/wps_files/

Can someone please help me find those three files?

Malik M
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Joined: Tue Feb 07, 2017 12:09 am

Re: WRF-Solar: Geog-data missing in the download package

Postby jralisse » Thu Aug 31, 2017 1:44 am

Good morning - I have the same problem. Have you been able to solve the problem?


Posts: 4
Joined: Wed Oct 22, 2014 2:32 am

Re: WRF-Solar: Geog-data missing in the download package

Postby jurrego » Sat Jun 09, 2018 2:45 pm


I am currently having the same problem. Have you manage to solve it?


Julian U.
Posts: 1
Joined: Sat May 19, 2018 6:29 pm

Re: WRF-Solar: Geog-data missing in the download package

Postby jcanellas » Mon Aug 12, 2019 2:53 pm

Hi everyone, hope this will help in the future.

In the MADCAST WRF Solar Download page you have extra *.tar.gz files for the variables you are looking for. These files, however, are made for CONUS only, if you want to run WRF Solar in a domain anywhere else in the world you have two options. You can either make your own intermediate files (a good starting point to do this is here: http://www2.mmm.ucar.edu/wrf/OnLineTuto ... /IM_files/, in the User's Guide I believe there is reference to a bash script to achieve this, although you'll probably have to modify it), and then run GEOGRID as usual, or you can comment the lines in the GEOGRID.TBL file (in the WPS/geogrid/ directory) regarding AOD, ANGEXP and AERSSA, and then create your own files containing the aerosol information. In this case, the files must be netCDF files possesing the same attributes as the wrfinput_d0* file created by real.exe, the variables therein must have their default names (AOD550, ANGEXP, etc.., look for the exact name in the Registri.EM_COMMON file), and the file itself must be declared in the namelist.input through the auxinput channel 15 option (look for the exact name in the README.namelist file). You must also specify the temporal resolution of the ancillary file in another namelist line.

I have not too much experience with these methods but I'd say that method 1 is better if you plan to input climatological values for each grid point, and method 2 is better if you want to input time series for each grid point. If you only want to specify one single aerosol value for the whole domain the best option is to comment lines in the GEOGRID.TBL file and then include the aer_*_opt in the &physics section of the namelist.

Hope this helps!!
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