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增强显示和伪彩色数字化红外云图在台风降水预报中的应用
引用本文:吕晋文.增强显示和伪彩色数字化红外云图在台风降水预报中的应用[J].热带气象学报,1987(3):233-238.
作者姓名:吕晋文
作者单位:广州中心气象台
摘    要:本文应用增强显示红外云图资料,主要考虑台风增强云系温度等级、云系范围、螺旋结构、台风眼情况、台风西南方卷入云带等,结合台风所对应位置组成经验公式,作出华南台风的降水量级预报。在采用伪彩色数字化云图时,除了考虑上述台风云系数字化数值外,还结合台风移向移速,有无其他天气系统共同作用等,组成计算公式,所作出华南台风降水量预报与实况相近。关于强降水落区,则用物理量计算分布的极值区来决定。

收稿时间:1986/1/20 0:00:00
修稿时间:1986/12/19 0:00:00

APPLICATION OF ENHANCED AND PSEUDO-COLOR DIGITAL INFRARED SATELLITE IMAGES IN THE PREDICTION OF TYPHOON PRECIPITATION
Lu Jinwen.APPLICATION OF ENHANCED AND PSEUDO-COLOR DIGITAL INFRARED SATELLITE IMAGES IN THE PREDICTION OF TYPHOON PRECIPITATION[J].Journal of Tropical Meteorology,1987(3):233-238.
Authors:Lu Jinwen
Institution:Guangzhou Central meteorological Observatory
Abstract:Enhanced infrared cloud charts is introduced in South China's typhoon rainfall forecasting by considering the temperature scales of typhoon cloud clusters, their horizintal scales, spirality structures, eye features and entraining clouds from southwest section as well. Some experimental rainfall prediction formula are shown including these factors and typhoon locations. In the case of using pseudo-color digital images, however, some more factors such as the movements of typhoon and the coupling effects of environmental stream fields, must be considered and the heavy rain areas are coincided with the quantitative distribution of some physical factors. Some primarily results are also presented.
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