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DOI | 10.1175/JAS-D-17-0315.1 |
Capturing Size and Intensity Changes of Hurricanes Irma and Maria (2017) from Polar-Orbiting Satellite Microwave Radiometers | |
Tian, Xiaoxu; Zou, Xiaolei | |
2018-08-01 | |
发表期刊 | JOURNAL OF THE ATMOSPHERIC SCIENCES |
ISSN | 0022-4928 |
EISSN | 1520-0469 |
出版年 | 2018 |
卷号 | 75期号:8页码:2509-2522 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | A recently refined hurricane warm-core retrieval algorithm was applied to data from multiple polar-orbiting satellites that carry the Advanced Technology Microwave Sounder (ATMS) and the Advanced Microwave Sounding Unit-A (AMSU-A) to examine the diurnal variability of the warm cores of Hurricanes Irma and Maria. These hurricanes occurred during the 2017 hyperactive Atlantic hurricane season. Compared with data gathered by dropsondes within 100-1700 km of Hurricanes Irma and Harvey, the means and standard deviations of the differences between ATMS-derived and dropsonde-measured temperature profiles were less than 0.7 and 1 K, respectively, in the vertical layer between similar to 180 and 750 hPa. The temporal evolutions of the ATMS-derived and AMSU-A-derived maximum warm-core temperature anomalies followed more closely that of the minimum mean sea level pressure and slightly less closely that of the maximum sustained wind. The radii of the ATMS-derived warm cores at 4 and 6 K compared favorably with the 34- and 50-kt-wind radii, respectively, of Hurricane Irma (1 kt = 0.51 m s(-1)). The vertical extent of the warm core toward lower levels increased with increasing intensity when Hurricane Irma experienced a strong intensification because of an enhanced latent heat release associated with diabatic processes. The tropical cyclone (TC) inner cores at upper-tropospheric levels (similar to 250 hPa) were characterized by a single-peaked diurnal cycle with a maximum around midnight. This warm-core cycle may be an important element of TC dynamics and may have relevance to TC structural and intensity changes. |
英文关键词 | Hurricanes typhoons Tropical cyclones Radiative transfer Temperature Microwave observations Remote sensing |
领域 | 地球科学 |
收录类别 | SCI-E |
WOS记录号 | WOS:000438489200001 |
WOS关键词 | TROPICAL-CYCLONE INTENSITY ; SOUNDING UNIT AMSU ; WARM-CORE ; ESTIMATION ALGORITHMS |
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/29238 |
专题 | 地球科学 |
作者单位 | Univ Maryland, Earth Sci Syst Interdisciplinary Ctr, Cooperat Inst Climate & Satellites, College Pk, MD 20742 USA |
推荐引用方式 GB/T 7714 | Tian, Xiaoxu,Zou, Xiaolei. Capturing Size and Intensity Changes of Hurricanes Irma and Maria (2017) from Polar-Orbiting Satellite Microwave Radiometers[J]. JOURNAL OF THE ATMOSPHERIC SCIENCES,2018,75(8):2509-2522. |
APA | Tian, Xiaoxu,&Zou, Xiaolei.(2018).Capturing Size and Intensity Changes of Hurricanes Irma and Maria (2017) from Polar-Orbiting Satellite Microwave Radiometers.JOURNAL OF THE ATMOSPHERIC SCIENCES,75(8),2509-2522. |
MLA | Tian, Xiaoxu,et al."Capturing Size and Intensity Changes of Hurricanes Irma and Maria (2017) from Polar-Orbiting Satellite Microwave Radiometers".JOURNAL OF THE ATMOSPHERIC SCIENCES 75.8(2018):2509-2522. |
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