Weather and Climate Dynamics
Weather and Climate Dynamics
WCD
Articles | Volume 4, issue 2
Articles | Volume 4, issue 2
https://doi.org/10.5194/wcd-4-331-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wcd-4-331-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 4, issue 2
Research article
 | 
18 Apr 2023
Research article |  | 18 Apr 2023

Intensity fluctuations in Hurricane Irma (2017) during a period of rapid intensification

William Torgerson, Juliane Schwendike, Andrew Ross, and Chris J. Short

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Latest update: 24 Oct 2025
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Short summary
We investigated intensity fluctuations that occurred during the rapid intensification of Hurricane Irma (2017) to understand their effects on the storm structure. Using high-resolution model simulations, we found that the fluctuations were caused by local regions of strong ascent just outside the eyewall that disrupted the storm, leading to a larger and more symmetrical storm eye. This alters the location and intensity of the strongest winds in the storm and hence the storm's impact.
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