wrf-chem

Hello Naser, Your question is a science question and not about addressing technical issues with the

Hello Nasar, as mentioned previously in our Discussion Forum we cannot help with questions other than

Hello Akhtar a few suggestions: - set debug_level to 12 or higher, this way you will get more

Dear Dr. Pfister, Thank you for your feedback and comments on the previous inquiries. Kind regards,

Hello I don't think we can help you with your question as this is not a technical issue but more

Thank you Mary! I have already set the auxinput7_inname in the namelist.input under the time_control

Hello Rupa you might want to check out the anthro_emis and EPA_anthro_emis tools we provide on our

Good afternoon Meteorologists, Atmospheric Scientists, Emergency Managers, and modelers around the

Dear Dr. Mary Barth, Thank you for your attention to my post. I will put my query to the WRF forum as

Found these documents hidden in an old forum. I hope it helps people out

Setareh, There may be more information in the literature about what exact chem_opt was used for

Hello Mriganka, Again, it is best to post your question at the WRF help forum to hopefully reach a

Adding Suhas to the thread! On Thursday, November 6, 2025 at 10:38:46 AM UTC-8 Solomon Kim wrote: Hi!

Hi All, Maybe you can add the following settings in the namelist . auxinput5_inname = "

Hello Akhtar as we state on our website we cannot help you with chemistry options other than the by

Dear All, Can anybody provide me with an input file for the anthro_emis tool for CBMZ-MOSAIC_8bins (

Dear Gabriele, Namelist and error file is attached. kindly help in this regard, please. -- Regards

Hi all, !!!! First call of the European WRF-Chem Workshop 2026 !!!! The workshop will be held in

Hi Xinjie the NEI emissions we provide on our website are at 12 km resolution and I am not aware of

Dear All, Your support is required please. I want to study the source apportionment of PM2.5. I am

Apologies that in my previous namelist, I have a couple of bc options on for domains d02 and d03. I

Hi Rakesh, I want to second that I have the exactly same problem with you: chem_opt=202 doesn't

Hi this is really a question that is best directed to the WRF/MPAS Forum. But basically it depends on

Nikhil, Thanks for checking the input and emissions file as well as trying a run with chem_option =

Hello Akhtar you find all the information you need in the mozbc download package ad on our website:

Hi all, I used epa_anthro_emis to prepare anthropogenic emissions and use them as inputs for WRF-Chem

Hello Dimeji, You can also set the value of EROD variable in your wrfinput file to zero over your

Hello Alice, WRF-Chem has a module that calculates PM2.5 and PM10. It's called sum_pm_driver

Dear All, Your kind support is required: I want to study the source apportionment of PM2.5 in 3 x

Hi Ravi this is more a question for the MPAS-WRF Support Forum (https://forum.mmm.ucar.edu/) but what