基于L波段雷达资料的威宁降雪天气温度预报指标研究  

Study on temperature prediction index of snowfall weather in Weining based on L-band radar data

作　　者：吕静 胡妍妍 魏巍 杨洋 张欣 Lv Jing;Hu Yanyan;Wei Wei;Yang Yang;Zhang Xin(Weining Meteorological Bureau of Guizhou,Weining 553100;Dafang Meteorological Bureau of Guizhou,Dafang 551600;Bijie Meteorological Bureau of Guizhou,Bijie 551700;Zhijin Meteorological Bureau of Guizhou,Zhijin 552100)

机构地区：[1]贵州省威宁县气象局,威宁553100 [2]贵州省大方县气象局,大方551600 [3]贵州省毕节市气象局,毕节551700 [4]贵州省织金县气象局,织金552100

出　　处：《气象水文海洋仪器》2023年第3期73-76,共4页Meteorological,Hydrological and Marine Instruments

基　　金：毕节市气象局科研业务项目“L波段雷达秒数据在威宁降雪预报中的应用研究”(BJKD[2021]06-01号)资助。

摘　　要：文章选取威宁县2008—2019年的逐日地面降雪观测资料和同期L波段雷达探空观测资料,采用数理统计方法分析降雪发生前L波段雷达探测的气温、露点温度和逆温分布特征,建立预报指标,并对2020年的降雪天气进行检验。结果表明温度预报指标取得了较好的预报效果,可用于指导威宁降雪天气预报。Based on the daily ground snowfall observation data in Weining County from 2008 to 2019 and the L-band radar sounding observation data during the same period,this paper analyzes the temperature,dew point temperature and inversion distribution characteristics of the L-band radar before the snowfall by using mathematical statistics.And the forecast indicators are established.Then,the snowfall weather in 2020 is tested.The results show that the temperature forecast indicators have achieved good forecasting results,which can be used to guide the snowfall weather forecast in Weining.

关 键 词：降雪天气 L波段雷达 温度预报指标 威宁 

分 类 号：P456.1[天文地球—大气科学及气象学]