大连地区沙尘天气预报预警业务平台

Forecast and early warning platform of sand-dust weather in Dalian,Liaoning province

为完善沙尘暴下游的预报预警业务,开发设计了大连地区沙尘天气预报预警业务平台。在概述平台设计思路、结构及其特点基础上,介绍了沙尘预报预警流程,对起沙预警和相似判别分析等预警原理进行探讨,并分析了平台试用结果。结果表明:平台是一个实用性强的业务工作平台,运行流程符合预报员工作流程,顺应预报思路,具有较强的实时业务应用能力,应用效果显著,可初步满足大连地区沙尘预报业务工作需要,为沙尘预报预警服务提供技术保障。

The forecast and early warning platform of sand-dust weather in Dalian had been developed in order to improve the forecast and early warning service in the lower reaches of sandstorm region. Based on the introduction of design idea, structure and feature of the platform, the forecast and early warning flow of sandstorm was described. The principles such as early warning causing sand-dust and fuzzy discriminant analysis were discussed, and its test results were analyzed. The results show that the platform is practical, whose running flow is in accord with the forecaster＇s work flow. It can be applied in real time operation. It could satisfy the demand of sand-dust weather forecast in Dalian, and provide strong technical support for the forecast and early warning service of sand-dust.