GSTDTAP  > 气候变化
DOI10.1029/2021GL095922
Tropical cyclone outer size impacts the number and location of tornadoes
Marco Paredes; Benjamin A. Schenkel; Roger Edwards; Michael Coniglio
2021-11-29
发表期刊Geophysical Research Letters
出版年2021
英文摘要

There remains no consensus on whether the outer size of the tropical cyclone wind field impacts tornado occurrence. This study statistically examines the relationship between tropical cyclone outer size with both the number and location of tornadoes using multidecadal tornado reports, a reanalysis-derived tropical cyclone outer size metric, and radiosonde data. These results show that larger tropical cyclones spawn tornadoes that are located farther from and over a broader region relative to the cyclone center, although these changes do not entirely scale with TC outer size. Larger tropical cyclones are also associated with more frequent occurrence of tornadoes per 6 h, especially enhanced numbers of tornadoes. These changes in tornado occurrence in larger TCs may be due to a broadening of favorable helicity for tornadoes in the downshear sector, which may be partially offset by CAPE reductions in the left-of-shear quadrants.

领域气候变化
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文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/343109
专题气候变化
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Marco Paredes,Benjamin A. Schenkel,Roger Edwards,et al. Tropical cyclone outer size impacts the number and location of tornadoes[J]. Geophysical Research Letters,2021.
APA Marco Paredes,Benjamin A. Schenkel,Roger Edwards,&Michael Coniglio.(2021).Tropical cyclone outer size impacts the number and location of tornadoes.Geophysical Research Letters.
MLA Marco Paredes,et al."Tropical cyclone outer size impacts the number and location of tornadoes".Geophysical Research Letters (2021).
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