Articles | Volume 25, issue 17
https://doi.org/10.5194/acp-25-9719-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-25-9719-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
03 Sep 2025
Research article |
| 03 Sep 2025
| 03 Sep 2025
Extreme concentric gravity waves observed in the mesosphere and thermosphere regions over southern Brazil associated with fast-moving severe thunderstorms
Qinzeng Li
State Key Laboratory of Solar Activity and Space Weather, National Space Science Center, Chinese Academy of Sciences, Beijing, 100190, China
Jiyao Xu
CORRESPONDING AUTHOR
State Key Laboratory of Solar Activity and Space Weather, National Space Science Center, Chinese Academy of Sciences, Beijing, 100190, China
State Key Laboratory of Solar Activity and Space Weather, National Space Science Center, Chinese Academy of Sciences, Beijing, 100190, China
Cristiano M. Wrasse
National Institute for Space Research, Space Weather Division, São José dos Campos, SP, Brazil
José V. Bageston
National Institute for Space Research, Southern Space Coordination, Santa Maria, RS, Brazil
Wei Yuan
State Key Laboratory of Solar Activity and Space Weather, National Space Science Center, Chinese Academy of Sciences, Beijing, 100190, China
School of Mathematics and Information Science, Henan Normal University, Xinxiang, 453007, China
Weijun Liu
State Key Laboratory of Solar Activity and Space Weather, National Space Science Center, Chinese Academy of Sciences, Beijing, 100190, China
Ying Wen
College of Aviation Meteorology, Civil Aviation Flight University of China, Guanghan, 618307, China
Hui Li
State Key Laboratory of Solar Activity and Space Weather, National Space Science Center, Chinese Academy of Sciences, Beijing, 100190, China
Zhengkuan Liu
State Key Laboratory of Solar Activity and Space Weather, National Space Science Center, Chinese Academy of Sciences, Beijing, 100190, China
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Short summary
This study explores intense concentric gravity waves (CGWs) based on ground-based and multi-satellite observations over southern Brazil, revealing significant airglow perturbations and strong momentum release. Triggered by deep convection and enabled by weaker wind fields, these CGWs reached the mesopause and thermosphere. Consistent detection via OI and OH airglow emissions confirms their vertical propagation, while asymmetric thermosphere propagation is linked to Doppler-induced wavelength changes.
This study explores intense concentric gravity waves (CGWs) based on ground-based and...
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