Search found 1984 matches
- Fri Jan 15, 2021 6:00 pm
- Forum: High-performance Computing
- Topic: wrf.exe keeps running without any progress when increasing the number of processors
- Replies: 2
- Views: 9
Re: wrf.exe keeps running without any progress when increasing the number of processors
Hi Xinxu, To explain the problem you're seeing, I would focus more on the first part of the FAQ question you mention. We have a basic rule-of-thumb when it comes to choosing an appropriate number of processors. You will need to consider the decomposition of the processes in relation to the size of t...
- Fri Jan 15, 2021 5:45 pm
- Forum: Special Running Options
- Topic: Bug in the wrfxtrm files?
- Replies: 1
- Views: 4
Re: Bug in the wrfxtrm files?
Hi,
I have moved this topic from the "Dynamics and Numerics" section of the forum to this "Special Running Options" section. Someone will respond to your inquiry soon.
I have moved this topic from the "Dynamics and Numerics" section of the forum to this "Special Running Options" section. Someone will respond to your inquiry soon.
- Fri Jan 15, 2021 5:41 pm
- Forum: geogrid
- Topic: what is the land/water threshold in a grid cell to define it as land or water?
- Replies: 3
- Views: 32
Re: what is the land/water threshold in a grid cell to define it as land or water?
Hi, It should be perfectly fine to modify LANDUSE in the geo_em.* files or the wrfinput* files. We actually have an NCL program that allows you to modify landuse types in the geo_em* files. I know you have your program already, but if you are interested in that, take a look at this presentation (aro...
- Fri Jan 15, 2021 5:25 pm
- Forum: ungrib
- Topic: ERA5 Forecast Field Data
- Replies: 5
- Views: 68
Re: ERA5 Forecast Field Data
Hi,
Can you try to use the Vtable.ECMWF to ungrib this data and see if it makes any difference? Please keep me posted. Thanks!
Can you try to use the Vtable.ECMWF to ungrib this data and see if it makes any difference? Please keep me posted. Thanks!
- Thu Jan 14, 2021 7:23 pm
- Forum: geogrid
- Topic: what is the land/water threshold in a grid cell to define it as land or water?
- Replies: 3
- Views: 32
Re: what is the land/water threshold in a grid cell to define it as land or water?
Hi Maryam,
Looking at the code (e.g., WPS/geogrid/src/process_tile_module.F - line ), it looks like for LANDMASK the percentage is 50% for the grid cell, and if it were to be exactly 50%, it would be declared a water point. See line ~568.
Looking at the code (e.g., WPS/geogrid/src/process_tile_module.F - line ), it looks like for LANDMASK the percentage is 50% for the grid cell, and if it were to be exactly 50%, it would be declared a water point. See line ~568.
- Wed Jan 13, 2021 10:50 pm
- Forum: WRF Compiling/Installation
- Topic: WRFV compilation issue on CentOS 8
- Replies: 1
- Views: 20
Re: WRFV compilation issue on CentOS 8
Hi,
Can you also attach your configure file, along with your compile log? Thanks!
Can you also attach your configure file, along with your compile log? Thanks!
- Sat Jan 09, 2021 12:31 am
- Forum: Miscellaneous WRF
- Topic: Gust_Wind Implementation?
- Replies: 4
- Views: 46
Re: Gust_Wind Implementation?
Alan,
I would suggest trying to contact some of the entities or groups connected to the work mentioned in the links you shared. If they've done it before, hopefully someone there will have some knowledge or a contact for you. Good luck!
I would suggest trying to contact some of the entities or groups connected to the work mentioned in the links you shared. If they've done it before, hopefully someone there will have some knowledge or a contact for you. Good luck!
- Fri Jan 08, 2021 5:15 pm
- Forum: WRF Code Modification
- Topic: How to add qndrop to the output variable?
- Replies: 1
- Views: 26
Re: How to add qndrop to the output variable?
Hi, If you'd like to output qndrop, you should only need to add it to the packaged info for the Morrison scheme in the Registry.EM_COMMON file. So look for this line: package morr_two_moment mp_physics==10 - moist:qv,qc,qr,qi,qs,qg;scalar:qni,qns,qnr,qng;state:rqrcuten,rqscuten,rqicuten and since it...
- Thu Jan 07, 2021 8:09 pm
- Forum: Miscellaneous WRF
- Topic: Gust_Wind Implementation?
- Replies: 4
- Views: 46
Re: Gust_Wind Implementation?
Hi, If you want to output max wind, there are a couple of diagnostics options built-in. They are available in V3.7, but not in 3.3. The options are output_diagnostics (which you mentioned, but does not have to be used with CLWRF) and nwp_diagnostics. You can read more about these in Version 3.7 of t...
- Thu Jan 07, 2021 6:41 pm
- Forum: metgrid
- Topic: How to process ERA5 invariant data? Issue with LANDSEA mask; and a metgrid error.
- Replies: 4
- Views: 58
Re: How to process ERA5 invariant data? Issue with LANDSEA mask; and a metgrid error.
Hi, I ran a test with the invariant data, along with ERA5 surface and pressure level data, and tried to create a domain that was close to yours. My LANDSEA mask looks exactly like yours, and I think that's just due to the resolution of what's given to us from ERA. I'm not having any trouble with the...
- Thu Jan 07, 2021 5:27 pm
- Forum: ARWpost
- Topic: Cannot post-process using ARWPost
- Replies: 1
- Views: 15
Re: Cannot post-process using ARWPost
Nizam,
Can you explain how it failed? Was there an error? Can you attach a log file and your namelist for ARWpost? Please also let us know which version of ARWpost you are using. Thanks.
Can you explain how it failed? Was there an error? Can you attach a log file and your namelist for ARWpost? Please also let us know which version of ARWpost you are using. Thanks.
- Thu Jan 07, 2021 5:14 pm
- Forum: ungrib
- Topic: ERA5 Forecast Field Data
- Replies: 5
- Views: 68
Re: ERA5 Forecast Field Data
Hi, Just to make sure you're downloading the correct data, take a look at this FAQ that discusses using ERA5 data. Are you able to use the g1print.exe or g2print.exe utility on the data to read it? If you're still having problems, can you attach one time stamp of your data files so that I can test i...
- Wed Jan 06, 2021 8:38 pm
- Forum: General
- Topic: Prep_chem_source namelist dificulty
- Replies: 1
- Views: 19
Re: Prep_chem_source namelist dificulty
This post has been moved from the "Forum Feedback" section to the General WRF-Chem section. Someone will respond soon.
- Mon Jan 04, 2021 5:56 pm
- Forum: FAQ: WRF Run-time Problems & Options
- Topic: Why do different compilers give different results for identical cases?
- Replies: 0
- Views: 15
Why do different compilers give different results for identical cases?
Take a look at the explanation given by mgduda on Dec 31, 2020 at 11:53 A.M.
- Mon Dec 28, 2020 6:38 pm
- Forum: WRF Compiling/Installation
- Topic: Why different compilers have different results for the same case?
- Replies: 4
- Views: 60
Re: Why different compilers have different results for the same case?
Hi,
As I'm not a computer science person, I can't tell you "why" this happens, except that they process differently. This is completely expected, though, and we are aware that results will never be identical when using different compilers or machines.
As I'm not a computer science person, I can't tell you "why" this happens, except that they process differently. This is completely expected, though, and we are aware that results will never be identical when using different compilers or machines.
- Mon Dec 28, 2020 6:35 pm
- Forum: real.exe
- Topic: Error in psfc
- Replies: 3
- Views: 312
Re: Error in psfc
You're absolutely right. Thank you for bringing this to our attention. I've corrected the link. If you refresh the page, it should be correct now.
- Mon Dec 28, 2020 6:21 pm
- Forum: metgrid
- Topic: How to process ERA5 invariant data? Issue with LANDSEA mask; and a metgrid error.
- Replies: 4
- Views: 58
Re: How to process ERA5 invariant data? Issue with LANDSEA mask; and a metgrid error.
Hi Tristan, It looks like the invariant file should also include SOILHGT information. I'm attaching the invariant file we use so that you can try skipping the ungrib process for that particular file. Just change the attached file name to ERA5_INVARIANT (removing the .txt suffix that was necessary to...
- Mon Dec 28, 2020 5:39 pm
- Forum: metgrid
- Topic: Problem to run WRF with ERA5 on model levels
- Replies: 1
- Views: 23
Re: Problem to run WRF with ERA5 on model levels
Hi,
1) What version of WPS are you running?
2) Can you attach the full metgrid.log so that I can take a look?
3) Will you also attach your METGRID.TBL file (found in WPS/metgrid/)?
Thanks!
1) What version of WPS are you running?
2) Can you attach the full metgrid.log so that I can take a look?
3) Will you also attach your METGRID.TBL file (found in WPS/metgrid/)?
Thanks!
- Mon Dec 28, 2020 5:29 pm
- Forum: wrf.exe
- Topic: WRF crashes in RUC LSM with Goddard MP scheme
- Replies: 8
- Views: 429
Re: WRF crashes in RUC LSM with Goddard MP scheme
If you are getting this same error, we recommend putting in some debugging print statements. See the post from me on Aug 6, 2019. If you're not already doing so, I would also recommend trying the latest version of WRF (V4.2.1) to see if that helps.
- Mon Dec 28, 2020 5:23 pm
- Forum: ARWpost
- Topic: Fortran runtime error: Write exceeds length of DIRECT access record
- Replies: 3
- Views: 40
Re: Fortran runtime error: Write exceeds length of DIRECT access record
Olga,
Is NCL installed on your supercomputer?
Is NCL installed on your supercomputer?
- Sat Dec 19, 2020 12:00 am
- Forum: ARWpost
- Topic: Fortran runtime error: Write exceeds length of DIRECT access record
- Replies: 3
- Views: 40
Re: Fortran runtime error: Write exceeds length of DIRECT access record
Hi Olga, I am seeing the same problem as you with geo_em* files. I, personally, have never tried running ARWpost for any output except wrfout* history files. I do see, however, that the Users' Guide says it should be compatible with geo_em* files. It may take a bit of time to track this down, unfort...
- Wed Dec 16, 2020 4:20 pm
- Forum: WRF Compiling/Installation
- Topic: (RESOLVED) Error Compiling WRF3.8 - no executable files - netcdf problems
- Replies: 3
- Views: 55
Re: Error Compiling WRF3.8 - no executable files
That's great news! Thank you for sending an update.
- Wed Dec 16, 2020 4:19 pm
- Forum: WRF Code Modification
- Topic: (RESOLVED) Modify the number and depths of lake levels in the lake model
- Replies: 3
- Views: 41
Re: Modify the number and depths of lake levels in the lake model
Katie,
Great! Thanks for updating the post.
Great! Thanks for updating the post.
- Tue Dec 15, 2020 4:44 pm
- Forum: FAQ: Configuring/Compiling/Hardware
- Topic: Building WRF with NetCDF-c and NetCDF-fortran Libraries
- Replies: 0
- Views: 20
Building WRF with NetCDF-c and NetCDF-fortran Libraries
If you have built NetCDF with separate installations of NetCDF-c and NetCDF-fortran, you will need to combine the components so that the WRF model will be able to find the libraries. To do this, you can create a NetCDF directory, which should contain subdirectories called "lib," "include," and "bin....
- Tue Dec 15, 2020 12:41 am
- Forum: geogrid
- Topic: Spatial artifacts in HGT_M in high-resolution domains
- Replies: 2
- Views: 34
Re: Spatial artifacts in HGT_M in high-resolution domains
Hi, I have been unable to repeat the problem, using your namelist setup - even down to 500 m. It looks like some of the static data you are requesting (modis_15s_lake, maxsnowalb_modis, and albedo_modis) are set-up in newer GEOGRID.TBL files (e.g., from V4.2). Are you using a newer GEOGRID.TBL to ru...