The Comparative Analysis of the Sea and Land Winds of Yingkou

Based on the hourly average max wind data in the sea ship automatic station,the Tuanshan shore-based automatic station and the Xipaotai automatic station from April to November at 2010,the sea and land winds of Yingkou were expounded from the aspects of wind,season and the weather system.The results indicated that Yingkou district mostly was subject to south to west and northeast to the north wind.Land wind force was generally below 5,appearing 7 levels gale,sea wind force mostly was 3 to 6 levels,appearing 9 level.Generally,east wind force was smaller than others.Sea wind was quite or larger 1 level than land wind in spring.It was mostly came southerly wind,northerly wind was smaller,sea wind was quite or larger 1 or 2 levels than land wind in summer.Sea wind was larger 1 or 2 levels than land wind in autumn.Under the different weather system,sea winds mainly considered southerly gales and northerly gales.Southerly gales had high-pressure tail low voltage fronts and northeast of terrain slots.Northerly gales had cold fronts and south cyclones.Sea gales always occurred at night especially after midnight.Land gales mostly appeared in the daytime,and maximum wind force appeared in the afternoon.