# Background - National Center for Atmospheric Research (NCAR) Weather Research and Forecasting (WRF) Model Users [link](http://www2.mmm.ucar.edu/wrf/users/). - NCAR WRF with chemistry (WRFChem) [link](https://www2.acom.ucar.edu/wrf-chem). - National Oceanic and Atmospheric Administration (NOAA) WRFChem [link](https://ruc.noaa.gov/wrf/wrf-chem/). - WRF version 4.0 user guide [link](https://www2.mmm.ucar.edu/wrf/users/docs/user_guide_V4/WRFUsersGuide_july2018_tutorial.pdf). - WRFChem version 3.9.1.1 user guide [link](https://ruc.noaa.gov/wrf/wrf-chem/Users_guide.pdf). - WRFChem emissions version 3.9.1.1 user guide [link](https://ruc.noaa.gov/wrf/wrf-chem/Emission_guide.pdf). - WRF workshops, in person, UK [link](https://www.ncas.ac.uk/index.php/en/wrf-tutorials). - Past WRFChem presentations [link](http://www2.mmm.ucar.edu/wrf/users/workshops/). - WRFChem tutorials here [link](https://ruc.noaa.gov/wrf/wrf-chem/tutorialexercises.htm). - Fire INventory from NCAR (FINN) emission preparation [link](https://github.com/wrfchem-leeds/WRFotron/blob/master/guides/FINN_Emiss_prep_MOZART.pdf). - Guidance for Model for Ozone and Related Chemical Tracers (MOZART) gas scheme with Model for Simulating Aerosol Interactions and Chemistry (MOSAIC) aerosol scheme [link](https://github.com/wrfchem-leeds/WRFotron/blob/master/guides/MOZART_MOSAIC_V3.6.readme_dec2016.pdf). - Key papers:

  • Grell, G.A., et al. (2005). Fully coupled “online” chemistry within the WRF model. Atmos. Environ. 39, 69576975. [link](https://doi.org/10.1016/j.atmosenv.2005.04.027).

  • Fast, J. D., et al. (2006). Evolution of ozone, particulates, and aerosol direct radiative forcing in the vicinity of Houston using a fully coupled meteorology-chemistry-aerosol model. Journal of Geophysical Research: Atmospheres, 111(21), 129. [link](https://doi.org/10.1029/2005JD006721).

  • Skamarock, W. C., & Klemp, J. B. (2008). A time-split nonhydrostatic atmospheric model for weather research and forecasting applications. Journal of Computational Physics, 227(7), 34653485. [link](https://doi.org/10.1016/j.jcp.2007.01.037).