Articles | Volume 24, issue 14
https://doi.org/10.5194/acp-24-8067-2024
https://doi.org/10.5194/acp-24-8067-2024
Research article
 | 
17 Jul 2024
Research article |  | 17 Jul 2024

Revisiting the evolution of downhill thunderstorms over Beijing: a new perspective from a radar wind profiler mesonet

Xiaoran Guo, Jianping Guo, Tianmeng Chen, Ning Li, Fan Zhang, and Yuping Sun

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Cited articles

Bai, L., Meng, Z., Huang, Y., Zhang, Y., Niu, S., and Su, T.: Convection initiation resulting from the interaction between a quasi – stationary dryline and intersecting gust fronts: A case study, J. Geophys. Res.-Atmos., 124, 2379–2396, https://doi.org/10.1029/2018JD029832, 2019. 
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Bony, S. and Stevens, B.: Measuring area-averaged vertical motions with dropsondes, J. Atmos. Sci., 76, 767–783, https://doi.org/10.1175/JAS-D-18-0141.1, 2019. . 
Carlson, C. A. and Forbes, G. S.: A case study using kinematic quantities derived from a triangle of VHF Doppler Wind Profilers, J. Atmos. Ocean. Tech., 6, 769–778, https://doi.org/10.1175/1520-0426(1989)006<0769:ACSUKQ>2.0.CO;2, 1989. 
Castro, A., Sánchez, J. L., and Fraile, R.: Statistical comparison of the properties of thunderstorms in different areas around the Ebro-Valley (Spain), Atmos. Res., 28, 237–257, https://doi.org/10.1016/0169-8095(92)90011-x, 1992. 
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Short summary
The prediction of downhill thunderstorms (DSs) remains elusive. We propose an objective method to identify DSs, based on which enhanced and dissipated DSs are discriminated. A radar wind profiler (RWP) mesonet is used to derive divergence and vertical velocity. The mid-troposphere divergence and prevailing westerlies enhance the intensity of DSs, whereas low-level divergence is observed when the DS dissipates. The findings highlight the key role that an RWP mesonet plays in the evolution of DSs.
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