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1 期 范 典等:一次稳定少动型西南涡演变的结构特征及其与暴雨的关系 175
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图10 “2023·07·26”过程, 相邻2个时次平均的700 hPa以下层散度垂直积分(填色, 单位: hPa·s )、 风场(流线,
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单位: m·s )和累计雨量(等值线, 单位: mm)
(a)26日00:00 -06:00, (b)26日06:00 -12:00, (c)26日12:00 -18:00, (d)26日18:00至27日00:00, (e)27日00:00 -06:00, (f)27日
06:00 -12:00, (g)27日12:00 -18:00, (h)27日18:00至28日00:00; 灰色阴影为地表气压低于700 hPa区域
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Fig. 10 The integral of divergence below 700 hPa (shading, unit: hPa·s ), wind field (streamline, unit: m·s ) on the
700 hPa and accumulated precipitation (contour, unit: mm) of the two adjacent times of the “2023·07·26” process.
(a) 00:00 -06:00 on 26, (b) 06:00 -12:00 on 26, (c) 12:00 -18:00 on 26, (d) 18:00 on 26 to 00:00 on 27,
(e) 00:00 -06:00 on 27, (f) 06:00 -12:00 on 27, (g) 12:00 -18:00 on 27, (h) from 18:00 on 27 to
00:00 on 28. The gray shadow is the area of surface pressure below 700 hPa
参考文献(References): ences, 76(12): 3803-3830. DOI: 10. 1175/JAS-D-18-0331. 1.
Lu P, Zheng W P, Li Y Q, 2020. Comparison of the movement and
Cheng X L, Li Y Q, Xu L, 2016. An analysis of an extreme rainstorm vertical structures in two types of Southwest vortex[J]. Meteorol‐
caused by the interaction of the Tibetan Plateau vortex and the ogy and Atmospheric Physics, 132: 571-581. DOI: 10. 1007/
Southwest China vortex from an intensive observation[J]. Meteo‐ S00703-019-00707-3.
rology and Atmospheric Physics, 128(3): 373-399. DOI: 10. Wang J Z, Chen J, Zhang H B, et al, 2023. Impacts of multiscale
1007/s00703-015-0420-2. components of initial perturbations on error growth characteristics
Feng X, Liu C, Fan G, et al, 2016. Climatology and structures of and ensemble forecasting skill [J]. Journal of Applied Meteorolo‐
southwest vortices in the NCEP climate forecast system reanalysis gy and Climatology, 62: 1677-1692. DOI: 10. 1175/JAMC-D-
[J]. Journal of Climate, 29: 7675-7701. DOI: 10. 1175/JCLI- 23-0108. 1.
D-15-0813. 1. Wang Q W, Tan Z M, 2014. Multi-scale topographic control of South‐
Fu S M, Li W L, Sun J H, et al, 2014. Universal evolution mecha‐ west vortex formation in Tibetan Plateau region in an idealized
nisms and energy conversion characteristics of long-lived meso‐ simulation [J]. Journal of Geophysical Research, 119(20):
scale vortices over the Sichuan Basin[J]. Atmospheric Science 11543−11561. DOI: 10. 1002/2014JD021898.
Letters, 6(2): 127-134. DOI: 10. 1002/asl2. 533. Zhong R, Zhong L H, Hua L J, et al, 2014. A climatology of the
Fu S M, Mai Z, Sun J H, et al, 2019. Impacts of convective activity Southwest vortex during 1979-2008 [J]. Atmospheric and Ocean‐
over the Tibetan Plateau on Plateau Vortex, Southwest Vortex, ic Science Letters, 7 (6) : 577-583. DOI: 10. 3878/AO‐
and downstream precipitation[J]. Journal of the Atmospheric Sci‐ SL20140042.

