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Aircraft observation was conducted, and we penetrated typhoon Trami (2018) under the collaboration between the ULAT/SATREPS (Understanding Lightning and Thunderstorm/ Science and Technology Research Partnership for Sustainable Development) and T-PARCII projects from September 25-28, 2018. We performed imagining of the eye and eyewall clouds using an onboard camera. Three-dimensional structures of the typhoon eye and eyewall clouds were created using multiple images taken at two-second intervals. A stair-step cloud structure was found in the eye and eyewall, which was likely associated with an eyewall replacement cycle occurring at that time. Images of the eye and eyewall clouds of Typhoon Mindulle (2021) and Hinnamnor (2022) were also captured by microsatellite DIWATA-2 in synchronization with aircraft observations, and 3D cloud structures were created.
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