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- Title
Study on Physical Characteristics of a Precipitation Cloud System in Hebei Province in Spring by Aircraft Observation.
- Authors
Shuyi WANG; Xiaoqing WANG; Xiaobo DONG; Jiao FU; Jiannan ZHANG; Shengfen GAI
- Abstract
Using data ol airborne partieOe measurement eystem, weather radar and Ka-band millimeter wavv eloud-metec, physical structure characterietica ol a lvpiml stabie stratiform cloud io Hebei Province on Februara 27,2018 was analyzed. Research resultr showed that the detected cloud system was the precipitation stratiform cloud in the later staae ol' development. The cloud layee developed -ably, and the verticat structure was unevenly distributed. The concentration ol' smaH cloud particles in high-level clouds was low, and it fluctuated geullv io spacc, and presented a discontinuous distribution state. The concentration ol' larae cloud particles and precipitation particles was high, which was conducive te the growth ol' cloud dropletr and the aggreaation ol' icc crystals. The concentration ol' smaH cloud particles and the content ol' supercooled water were high in tie middle and low-level clouds. The precipitation cloud system had a significant hierarchicat structure, which conformed te the "catalysif - supply" mechanism. From the upper Ccx te the lowea layea, the cloud particle spectrum was mainly in tlte form ol' single peak or double peak distribution, which showed a monotonic decreasing trend in general. The spectrat distribution ol' small cloud parides in the cloud was discontinuous, and the high-value areas ol' spectrat concentration ol' larye cloud particles and precipitation particles were concentrated in the upper part ol' the cloud layer, and the particle spectrum was significantly widened. There was igversion zone at the bottom ol' the cloud layer, which was conducive te the continuous increase ol' particle concentration and the formation ol' larye supercooled water dropletr.
- Subjects
HEBEI Sheng (China); STRATUS clouds; PROVINCES; ATMOSPHERIC nucleation; RADAR meteorology
- Publication
Meteorological & Environmental Research, 2022, Vol 13, Issue 3, p28
- ISSN
2152-3940
- Publication type
Article
- DOI
10.19547/j.\issn2152-3940.2022.03.007