# NaN or Infinity detected in HADV when turning off ptfire emissions

**URL:** <https://forum.cmascenter.org/t/nan-or-infinity-detected-in-hadv-when-turning-off-ptfire-emissions/5844>\
**Category:** EQUATES\
**Tags:** cmaq\
**Created:** [June 6, 2025, 3:49am UTC](https://forum.cmascenter.org/t/nan-or-infinity-detected-in-hadv-when-turning-off-ptfire-emissions/5844 "2025-06-06T03:49:10Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![holajtodos](https://avatars.discourse-cdn.com/v4/letter/h/ee7513/32.png) [@holajtodos](https://forum.cmascenter.org/u/holajtodos)\
**Post date:** [June 6, 2025, 2:53pm UTC](https://forum.cmascenter.org/t/nan-or-infinity-detected-in-hadv-when-turning-off-ptfire-emissions/5844/3 "2025-06-06T14:53:19Z")

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Hi Chris,

Thanks for your swift feedback!

1. I used m3stat to find some infinite values existing in the variable W\_VEL from BCON files, for example:

2. Just wanted to clarify that I only turned off the ptfire-rx emissions as I separated ptfire-wild and ptfire-rx emission inventories and ran the SMOKE accordingly using the methods from my previous post: [Ptfire Inventory Formatting Issues (2017 platform) - SMOKE / Emissions Inventory - CMAS CENTER FORUM](https://forum.cmascenter.org/t/ptfire-inventory-formatting-issues-2017-platform/5772). The other files with date stamps, such as ptagfire, ptfire\_grass, ptfire\_othna, were directly downloaded from the EQUATES CMAS warehouse gdrive folder without any modifications.

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