DOI: 10.1029/2018JD028324
Scopus记录号: 2-s2.0-85047623863
论文题名: Classifying Precipitation Types in Tropical Cyclones Using the NRL 37 GHz Color Product
作者: Jiang H. ; Zagrodnik J.P. ; Tao C. ; Zipser E.J.
刊名: Journal of Geophysical Research: Atmospheres
ISSN: 2169897X
出版年: 2018
卷: 123, 期: 10 起始页码: 5509
结束页码: 5524
语种: 英语
英文摘要: The tropical cyclone (TC) webpage developed by the U.S. Naval Research Lab (NRL) has been widely used by the community for real-time TC monitoring and forecasting. Using 14 years of Tropical Rainfall Measuring Mission Microwave Imager and Precipitation Radar data in TCs, precipitation/convection types are quantitatively classified based on vertical radar profiles corresponding to seven different color regions in the NRL's 37 GHz color composite product. The bright cyan and all pink (including pure pink, bright cyan/pink, and weak cyan/pink, and green/pink) regions are identified as nearly 100% precipitative regions. The bright cyan and pure pink regions are shallow and deep convective precipitation, respectively, while the green/pink, weak cyan/pink, and bright cyan/pink regions are mainly stratiform rain. Eighty-four percent of pixels in the weak cyan region are precipitating, including either shallow convective, stratiform, or anvil precipitation. Seventy-six percent of pixels in the green region are nonprecipitating pixels, and 24% of them are very lightly precipitating pixels, which could be contaminated from clouds with high liquid water content. The ability to perform TC precipitation-type analysis of this detail (convective versus stratiform and deep versus shallow) was previously only possible using radar-based classification algorithms. Using the 37 GHz precipitation-type analysis, a significant increase of coverage of stratiform precipitation and shallow convection in the inner core is found between 3 and 21 hr before the onset of TC rapid intensification. ©2018. American Geophysical Union. All Rights Reserved. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/113865
Appears in Collections: 气候减缓与适应
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作者单位: Department of Earth and Environment, Florida International University, Miami, FL, United States; Department of Atmospheric Sciences, University of Washington, Seattle, WA, United States; Lawrence Livermore National Laboratory, Livermore, CA, United States; Department of Atmospheric Sciences, University of Utah, Salt Lake City, UT, United States
Recommended Citation:
Jiang H.,Zagrodnik J.P.,Tao C.,et al. Classifying Precipitation Types in Tropical Cyclones Using the NRL 37 GHz Color Product[J]. Journal of Geophysical Research: Atmospheres,2018-01-01,123(10)