ISSN 1000-0526
CN 11-2282/P
CN 11-2282/P
Archive > Volume 36 Issue 11 > 2010,36(11):50-58. DOI:10.7519/j.issn.1000-0526.2010.11.008 Prev Next
The Method of Cloud Vertical Structure Analysis Using Rawinsonde Observation and Its Applied Research
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Abstract:
The vertical structure characteristics of clouds play an important role no matter in the weather， in the climate or in the weather modification, while there are few direct and valid observation methods in the meteorological operation. In this paper several Cloud Vertical Structure (CVS) analysis methods by rawinsonde observation (RAOBS) are compared and from which the relative humidity (RH) threshold method is chosen to analyze the CVS. The seconddata of our national RAOBS network are used to analyze multicase cloud vertical structure, which are then compared with CVS from CloudSatborne cloud radar. Results prove the feasibility to identify CVS by using a relative humidity threshold, and the usability of this method in routine work. For operational applications, the methods of reading and calculating RAOBS are developed, the pictures of analyzing CVS are designed, so that a cloud structure analysis technique is founded based on RAOBS of China. This technique is used in studying temporal and spatial evolutions of cloud system coupling with different weather systems during the 60th anniversary national period day, and valuable results are achieved.
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