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International Conference on Engineering and Business Management (EBM 2010 PAPERBACK)

Chengdu,China,China,3.24-3.26,2010

ISBN: 978-1-935068-05-1 Scientific Research Publishing, USA

Paperback 6066pp Pub. Date: March 2010

Category: Engineering

Price: $280

Title: The Doppler Weather Radar Feature Analysis of a Heavy Rain in Wenchuan quake-hit ??n July 20, 2008
Source: International Conference on Engineering and Business Management (EBM 2010 PAPERBACK) (pp 3354-3360)
Author(s): Qingyan Zhang, Meteorological Bureau of Mianyang, Sichuan Province, Mianyang, Sichuan, China, 621000
Abstract: Abstract: From July 20 to 21, 2008, the storm hit the Northwest Sichuan, especially the hardest earthquake- hit areas, causing great economic losses. In this paper, through the measured data, the weather characteristics and the Doppler Weather Radar Products are analyzed. The result shows that: in addition to favorable conditions for large-scale, occurrence and development of the Medium β-scale weather systems are the direct causes of the storm which has a strong characteristic of local and sudden. With the cross on the Doppler weather radar speed convergent wind field, combined reflectivity Products and automatic station-by-hour precipitation analysis, this paper points out that the Doppler weather radar wind speed convergence products and Combination of reflectance Products can play a better role in the forecast of short-term approaching rainstorm in northwest Sichuan.
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