“…Concentric eyewalls (CEs) are commonly observed within intense tropical cyclones (TCs; e.g., Houze et al., 2007; Kossin & Sitkowski, 2009; Kuo et al., 2009; Willoughby et al., 1982; Yang et al., 2013), and sometimes show azimuthally asymmetric convective structures (e.g., Didlake et al., 2017; Didlake & Kumjian, 2018; Hence & Houze, 2012; Tsujino et al., 2017; Zhu et al., 2004; Zhu & Yu, 2019). Zhu et al.…”