The Design And Implementation Of The Integrated Database System Of Severe Weather

China is located in eastern Asia. The extremely complex topographic distribution characteristics and the weather disasters may take place every year which cost a great loss to the national economy and people's lives.Integrated database system of severe weather is designed by Chinese Academy of Meteorological Sciences(CAMS), according to the nation's needs and in order to research the cause of torrential rains, strong winds, hail, dust storms and other weather disasters, and to improve the level of monitoring and prediction of weather disasters.For the reasons given above, CAMS investments the construction of this integrated database system which can provides scientific and reasonable storage management of satellites data, radars data, general observation data, numerical forecasting,973 project data, and many other mass meteorological observation data. After completion,the system will provide convenient online services to both the CAMS researchers at all levels and the general public.The core of the integrated database system of severe weather is the storage management of meteorological data. The feature of meteorological data is variety, wide range, strongly real-time, massive data, complex types and scientific. How to effectively choose the right storage planning and management model has been a major issue of the domain of meteorological data storage.Therefore, this paper discribes the development background of the integrated database system of severe weather, the situation and trend among the fields of meteorological data storage services, and the depiction of the main problem to be finished and completed. After that, foreign experiences in the development of similar systems are referenced in this article. Which using the Unified Modeling Language for analysis and design of the integrated database system of severe weather, needs analysis and system design using data storage as a main line of details of the severe weather meteorological data's storage planning strategy, analysis,designs and implementations of the automatic storage management applications.This article focuses on the key techniques and algorithms used in the process of the implementation in the construction of the integrated database system of severe weather, which including:First, on the basis of full investigation and in-depth understanding of meteorological science data standards, users'needs and data processes, which including functional requirements and non-functional requirements, and then a reasonable conclusion of storage planning design and ideas of development was drawn by analyzing.Second, processing has done with the existing historical meteorological data, to storage all of the meta-data and some elements of data.Third, this system is divided to seven main modules,part of which are analysisd and designed in detail according to the focus of the task. The demand access methods, the data analysis tools as well as the cards of data characteristics and all stages of the use of UML tools are standardized in the systematic analysis of the design process.Fourth, data retrieval performance has been focused on as one of the most important requirements for access services.By using the comparison test, the back-end database performance testing and evaluation have been completed. And the result of the test was used for the design of the storage planning.Fifth, data sheet object models have been designed. In the implementation part of this paper, configuration information of the system have been given, processing logic of data storage will be achieved with an example of the complete procedure of storage of the conventional air sounding data.Finally, design and implementation of the integrated database system of severe weather are summarized.