GSTDTAP  > 地球科学
DOI10.1016/j.atmosres.2020.104931
Satellite-observed warm-core structure in relation to tropical cyclone intensity change
Wang, Xiang1,2; Jiang, Haiyan2; Zhang, Jun A.3; Peng, Ke1
2020-08-01
发表期刊ATMOSPHERIC RESEARCH
ISSN0169-8095
EISSN1873-2895
出版年2020
卷号240
文章类型Article
语种英语
国家Peoples R China; USA
英文摘要

Using a 13-year dataset of Atmospheric Infrared Sounder (AIRS) retrieved temperature profiles including 5019 AIRS overpasses in 1061 tropical storm through category-2 tropical cyclones (TCs) in global basins during 2002-2014, this study examines the relationship between the warm-core structure and TC intensity change with a focus on rapid intensification (RI). The AIRS TC overpasses are classified into RI, slowly intensifying (SI), neutral (N), and weakening (W) categories. The effect of the warm-core structure upon TC intensification is entangled with that upon TC intensity. It is necessary to exclude the weakening category in order to single out the relationship between TC intensification and warm-core structure from a statistical method. The composite warm-core maximum temperature anomaly is the strongest in RI storms (similar to 7 K), followed by W (similar to 6 K), SI (similar to 5 K) and N (similar to 4 K) storms. RI storms have the highest equivalent potential temperature (theta(e)) and CAPE in the eye among all intensity change categories. The warm-core structure of RI storms is asymmetric relative to shear, with the higher temperature anomaly and convective available potential energy (CAPE) located in the down-shear quadrant. When only considering samples with intensification rates >= 0, a significant and positive correlation is found between the warm-core strength and TC intensification rate. The warm-core height is also positively correlated with the TC intensification rate at a high confidence level. The AIRS-derived warm-core temperature anomaly greater than 4 K and weighted warm-core height higher than 450 hPa are the necessary conditions for RI.


领域地球科学
收录类别SCI-E
WOS记录号WOS:000527314900019
WOS关键词LARGE-SCALE CHARACTERISTICS ; HURRICANE EDOUARD 2014 ; RAPID INTENSIFICATION ; PART I ; NORTH-ATLANTIC ; CONVECTION ; AIRS/AMSU/HSB ; RAINFALL ; GUIDANCE ; HEIGHT
WOS类目Meteorology & Atmospheric Sciences
WOS研究方向Meteorology & Atmospheric Sciences
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/289317
专题地球科学
作者单位1.Nanjing Univ Informat Sci & Technol, Joint Ctr Data Assimilat Res & Applicat, Inst Climate & Applicat Res, Nanjing, Peoples R China;
2.Florida Int Univ, Dept Earth & Environm, Miami, FL 33199 USA;
3.Univ Miami, Cooperat Inst Marine & Atmospher Studies, NOAA, AOML,Hurricane Res Div, Miami, FL USA
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GB/T 7714
Wang, Xiang,Jiang, Haiyan,Zhang, Jun A.,et al. Satellite-observed warm-core structure in relation to tropical cyclone intensity change[J]. ATMOSPHERIC RESEARCH,2020,240.
APA Wang, Xiang,Jiang, Haiyan,Zhang, Jun A.,&Peng, Ke.(2020).Satellite-observed warm-core structure in relation to tropical cyclone intensity change.ATMOSPHERIC RESEARCH,240.
MLA Wang, Xiang,et al."Satellite-observed warm-core structure in relation to tropical cyclone intensity change".ATMOSPHERIC RESEARCH 240(2020).
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