Articles | Volume 24, issue 11
https://doi.org/10.5194/acp-24-6937-2024
https://doi.org/10.5194/acp-24-6937-2024
Research article
 | 
14 Jun 2024
Research article |  | 14 Jun 2024

California wildfire smoke contributes to a positive atmospheric temperature anomaly over the western United States

James L. Gomez, Robert J. Allen, and King-Fai Li

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Short summary
Wildfires in California (CA) have grown very large during the past 20 years. These fires emit sunlight-absorbing aerosols. Analyzing observational data, our study finds that aerosols emitted from large fires in northern CA spread throughout CA and Nevada and heat the atmosphere. This heating is consistent with larger-than-normal temperatures and dry conditions. Further study is needed to determine how much the aerosols heat the atmosphere and whether they are drying the atmosphere as well.
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