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开封春季24h大风预报方法
Method of 24 h Gale Forecast in the Spring of Kaifeng
【摘要】 利用开封1981-2000年3-5月的大风资料,依据冷空气路径,将大风分为东北型、西北型;选出预报因子,用逐步回归方法,对因子进行筛选,选出效果较好的预报因子建立方程。
【Abstract】 Using the gale materials from March to May in 1981-2000,and analyzing the cold air path,the paper divides gale into northeast type and northwest type.Firstly,screen for the forecasting factors by adopting stepwise regression analysis;and then,establish predictive equation by use of the forecasting factors with better effects.
【关键词】 大风;
冷空气路径;
预报因子;
预报方程;
【Key words】 windstorm; cold air path; forecasting factor; predictive equation;
【Key words】 windstorm; cold air path; forecasting factor; predictive equation;
- 【文献出处】 气象与环境科学 ,Meteorological and Environmental Sciences , 编辑部邮箱 ,2007年S1期
- 【分类号】P457.5
- 【被引频次】8
- 【下载频次】106