# Wrfout file of EQUATES

**URL:** <https://forum.cmascenter.org/t/wrfout-file-of-equates/5757>\
**Category:** EQUATES\
**Created:** [April 22, 2025, 4:23pm UTC](https://forum.cmascenter.org/t/wrfout-file-of-equates/5757 "2025-04-22T16:23:25Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![joshsun](https://avatars.discourse-cdn.com/v4/letter/j/dbc845/32.png) [@joshsun](https://forum.cmascenter.org/u/joshsun)\
**Post date:** [April 22, 2025, 4:23pm UTC](https://forum.cmascenter.org/t/wrfout-file-of-equates/5757/1 "2025-04-22T16:23:25Z")

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Hi CMAS forum,

I’m trying to run CMAQ with regcm4 data, until now I’ve been running CMAQ with EQUATES data, I think if I have a wrfout file I should be able to convert the regcm4 data to wrfout format and then run CMAQ with MCIP. I have not found the wrfout file that used to prepare the mcip input of EQUATES.

Any suggestions?

Best,  
josh

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**Author:** ![foley.kristen](https://avatars.discourse-cdn.com/v4/letter/f/d9b06d/32.png) [@foley.kristen](https://forum.cmascenter.org/u/foley.kristen)\
**Post date:** [April 22, 2025, 6:16pm UTC](https://forum.cmascenter.org/t/wrfout-file-of-equates/5757/2 "2025-04-22T18:16:43Z")

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Hi Josh,  
The EQUATES 18 years of wrfout files are not posted due to file size. If you only need a single EQUATES WRF wrfout file we can post that single file to get you started. Let me know if you have a preference on what month/year to grab.

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**Author:** ![foley.kristen](https://avatars.discourse-cdn.com/v4/letter/f/d9b06d/32.png) [@foley.kristen](https://forum.cmascenter.org/u/foley.kristen)\
**Post date:** [April 22, 2025, 6:47pm UTC](https://forum.cmascenter.org/t/wrfout-file-of-equates/5757/3 "2025-04-22T18:47:14Z")

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Hi Josh,  
One more option. We do have wrfout files for the 12US1 domain for July-August 2018 as part of our CMAQv5.4 benchmark data.

S3 bucket on CMAS AWS: [AWS S3 Explorer](https://cmas-cmaq-modeling-platform-2018.s3.amazonaws.com/index.html#2018_12US1/met/WRFv4.3.3_LTNG/)

Metadata: [https://doi.org/10.15139/S3/9AV907](https://doi.org/10.15139/S3/9AV907)

These are from a WRFv4.3.3 simulation (rather than WRFv4.1.1 used in EQUATES) but should still be appropriate for what you are trying to do.

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**Author:** ![joshsun](https://avatars.discourse-cdn.com/v4/letter/j/dbc845/32.png) [@joshsun](https://forum.cmascenter.org/u/joshsun)\
**Post date:** [April 22, 2025, 7:02pm UTC](https://forum.cmascenter.org/t/wrfout-file-of-equates/5757/4 "2025-04-22T19:02:01Z")

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Oh my lord, that’s wonderful, thank you, Ms. Wonderful. Let me check these files!

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**Author:** ![willison.jeff](https://avatars.discourse-cdn.com/v4/letter/w/c89c15/32.png) [@willison.jeff](https://forum.cmascenter.org/u/willison.jeff)\
**Post date:** [April 22, 2025, 7:28pm UTC](https://forum.cmascenter.org/t/wrfout-file-of-equates/5757/5 "2025-04-22T19:28:27Z")

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Just want to give you a heads up that MCIP (and CMAQ) have some expectations that will require careful consideration for this effort. Off the top of my head I would advise caution with respect to the vertical grid, the surface layer scheme, the projection, and the precipitation buckets. Good luck!

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**Author:** ![joshsun](https://avatars.discourse-cdn.com/v4/letter/j/dbc845/32.png) [@joshsun](https://forum.cmascenter.org/u/joshsun)\
**Post date:** [April 22, 2025, 8:01pm UTC](https://forum.cmascenter.org/t/wrfout-file-of-equates/5757/6 "2025-04-22T20:01:15Z")

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I’ll keep that in mind, thank you!