Study on Cloud Characteristics in Western Liaoning, China Based on Millimeter-Wave Cloud Radar

Authors

  • Nan Shan

    Liaoning Weather Modification Office, Shenyang 110166, China;

    The Institute of Atmospheric Environment, China Meteorological Administration, Shenyang 110166, China
  • Yang Liu

    Liaoning Weather Modification Office, Shenyang 110166, China
  • Bing Xu

    Liaoning Weather Modification Office, Shenyang 110166, China
  • Ping Wang

    Liaoning Weather Modification Office, Shenyang 110166, China
  • Mengjia Zhang

    Liaoning Weather Modification Office, Shenyang 110166, China

DOI:

https://doi.org/10.30564/jasr.v7i4.7370
Received: 27 September 2024 | Revised: 10 October 2024 | Accepted: 14 October 2024 | Published Online: 15 October 2024

Abstract

Based on the millimeter-wave cloud radar detection data from the western region of Liaoning Province, China (hereinafter referred to as western Liaoning) in 2020, the vertical structure characteristics of clouds were studied. The analysis results show that: (1) The occurrence frequency of clouds is 25.50%, while single-layer clouds occurrence frequency is 19.45% accounted for the largest proportion. The diurnal variation of occurrence rates differs across seasons. High clouds have the highest occurrence frequency, accounting for 40.03% of all clouds. (2) The average rainfall intensity of cloud precipitation throughout the year is 3.1 mm/h, and the precipitation mainly originates from single-layer and double-layer clouds. The rainfall intensity weakens as the number of cloud layers increases, and the precipitation of multi-layer clouds is mainly produced by low-layer clouds. (3) The average thickness of the cloud interlayer for precipitating clouds is 1.4 km, with 82.1% of cloud interlayer thicknesses being less than 2 km. The average thickness of the cloud interlayer for non-precipitating clouds is 1.84 km, with 70.8% of cloud interlayer thicknesses being less than 2 km. The cloud interlayer thickness generally decreases with the increase in the number of cloud layers.

Keywords:

Millimeter-wave Cloud Radar; Cloud Vertical Structure Characteristics; Cloud Interlayer; Cloud Occurrence Rate

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How to Cite

Shan, N., Liu, Y., Xu, B., Wang, P., & Zhang, M. (2024). Study on Cloud Characteristics in Western Liaoning, China Based on Millimeter-Wave Cloud Radar. Journal of Atmospheric Science Research, 7(4), 40–50. https://doi.org/10.30564/jasr.v7i4.7370

Issue

Vol. 7 , Iss. 4 (October 2024)

Article Type

Article

License

Copyright © 2024 Nan Shan, Yang Liu, Bing Xu, Ping Wang, Mengjia Zhang

Creative Commons License

This is an open access article under the Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) License.

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