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Analysis on predictive failure of a rainstorm fault-hitting
Author(s): YANG Li-xia, SU Jun-hui
Pages: 16-
18
Year: 2007
Issue:
2
Journal: JOURNAL OF SHAANXI METEOROLOGY
Keyword: 汉中; 暴雨; 预报失误; 分析;
Abstract: 汉中市气象台主汛期出现一次区域性暴雨空报,2006年7月3日降水量级预报失误较大.在分析高空图、数值预报、物理诊断场和各级指导预报的基础上,阐述当时的预报思路,指出700 hPa西南急流伸展偏北,西北涡横切变偏北,850 hPa汉中处于两低压之间的相对高压区,汉中上空水汽含量和水汽通量大但水汽辐合弱,副高东退迅速,数值预报降水量预报和指导预报量级偏大是这次预报失误的原因.
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