大连市旅顺口区温度与降水地域分析及预报

Regional Analysis and Forcast of Temperature and Precipitation in Lvshunkou District of Dalian City

使用旅顺口区历史气象观测资料,与当地不同地域气候资料相对比,为掌握旅顺口区气候变化和提高本地化预报精细程度提供气候依据而做出有益探索。分析结果表明,旅顺口区南部冬季气温比北部高1.0℃左右,西部夏季气温比东部高0.8℃左右;对年降水量进行统计,全区东到东南部降水略多、西部和北部次之、南部略少。温度预报指标主要根据地域进行修正预报;降水预报指标主要是根据过境本区域的南来、北来系统影响的主要区域,进行各站点的定性预报。

Using historical meteorological observation data in Lvshunkou District,compared with the local climate data in different regions,beneficial exploration was conducted to grasp the climate change,and provide the climate basis to improve the localization prediction of precision level of Lvshunkou District. The analysis results showed that winter temperature of the south was about 1 ℃ higher than that of the north,summer temperature of the west was about 0.8 ℃ higher than that of the east. Annual statistic data showed that precipitation in the east to southeast was slightly more than that in the west and north,and that in the south was less. The temperature forecast index was mainly based on the regional temperature correction.The precipitation forecast index was mainly based on the main area of the southern and northern parts of the transit area.