The Community Multiscale Air Quality (CMAQ) model versions 5.3 and 5.3.1: system updates and evaluation

Appel, K. Wyat; Bash, Jesse O.; Fahey, Kathleen M.; Foley, Kristen M.; Gilliam, Robert C.; Hogrefe, Christian; Hutzell, William T.; Kang, Daiwen; Mathur, Rohit; Murphy, Benjamin N.; Napelenok, Sergey L.; Nolte, Christopher G.; Pleim, Jonathan E.; Pouliot, George A.; Pye, Havala O. T.; Ran, Limei; Roselle, Shawn J.; Sarwar, Golam; Schwede, Donna B.; Sidi, Fahim I.; Spero, Tanya L.; Wong, David C.

doi:https://doi.org/10.5194/gmd-14-2867-2021

Articles | Volume 14, issue 5

https://doi.org/10.5194/gmd-14-2867-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/gmd-14-2867-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 14, issue 5

Model evaluation paper

|

20 May 2021

Model evaluation paper |

| 20 May 2021

The Community Multiscale Air Quality (CMAQ) model versions 5.3 and 5.3.1: system updates and evaluation

K. Wyat Appel, Jesse O. Bash, Kathleen M. Fahey, Kristen M. Foley, Robert C. Gilliam, Christian Hogrefe, William T. Hutzell, Daiwen Kang, Rohit Mathur, Benjamin N. Murphy, Sergey L. Napelenok, Christopher G. Nolte, Jonathan E. Pleim, George A. Pouliot, Havala O. T. Pye, Limei Ran, Shawn J. Roselle, Golam Sarwar, Donna B. Schwede, Fahim I. Sidi, Tanya L. Spero, and David C. Wong

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Final revised paper (published on 20 May 2021)
Supplement to the final revised paper
Preprint (discussion started on 27 Oct 2020)
Supplement to the preprint

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC1: 'Review of "The Community Multiscale Air Quality (CMAQ) Model Versions 5.3 and 5.3.1: System Updates and Evaluation', Anonymous Referee #1, 04 Nov 2020
- AC1: 'Reply on RC1', K. Wyat Appel, 11 Feb 2021
RC2: 'Review "The Community Multiscale Air Quality (CMAQ) Model Versions 5.3 and 5.3.1: System Updates and Evaluation" by Appel et al.', Anonymous Referee #2, 05 Jan 2021
- AC2: 'Reply on RC2', K. Wyat Appel, 11 Feb 2021

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by K. Wyat Appel on behalf of the Authors (11 Feb 2021) Author's response Author's tracked changes Manuscript

ED: Referee Nomination & Report Request started (25 Feb 2021) by Samuel Remy

RR by Anonymous Referee #2 (11 Mar 2021)

ED: Publish subject to technical corrections (22 Mar 2021) by Samuel Remy

AR by K. Wyat Appel on behalf of the Authors (26 Mar 2021) Author's response Manuscript

Short summary

This paper details the scientific updates in the recently released CMAQ version 5.3 (and v5.3.1) and also includes operational and diagnostic evaluations of CMAQv5.3.1 against observations and the previous version of the CMAQ (v5.2.1). This work was done to improve the underlying science in CMAQ. This article is used to inform the CMAQ modeling community of the updates to the modeling system and the expected change in model performance from these updates (versus the previous model version).