陕西富县冰雹预报方法与防雹作业剂量研究

通过对富县近十年气象资料分析研究,总结出了富县发生冰雹的主要路径,出现冰雹前的高空天气形势,并提出了雷达回波的相关判据和降雪前延安观测站的相关高空气象要素指标。提出了有效的防雹对策及三七炮弹的作业剂量。对有效防御冰雹,减轻雹灾损失,为该县农业保驾护航具有十分重要的意义。

Study 0n Forecasting Methods of Hail and the Amount of Shells Using in the Hail Suppression Operation 0f Fuxian in Shaanxi

Through analyzing of meteorological data of Fuxian county in recent years,the upper air synoptic situation before the hail and the main path of hail occurrence in Fuxian county are summed up and put forward the related criteria of radar echo and related indexes of upper air meteorological elements in Yan an station before snowing.The effective countermeasures to hail and the 37 mm shell feeds are also put forward.It made a division on the hail disaster in Fuxian county,which provides scientific basis for preventing the disaster.