风云卫星高时空分辨率资料在热带气旋监测预报中的应用

阐述了高时间、空间分辨率卫星资料在台风结构、强度、路径和降水监测预报等方面的应用能力和现状。通过高时空分辨率卫星观测,在台风内部中尺度云团快速生消特征、外围及高低层环境气流演变和配合、台风降水的落区判断等方面都有了长足进展,从而推进了台风预报水平的提高。在此基础上,探讨我国未来FY-3极轨、FY-4静止卫星发展计划,将通过增加新仪器、提高区域观测频次和空间分辨率、组网观测等手段,进一步辅助提升台风定位、定强及风雨预报的准确率。

Application of High Resolution Satellite Data in Tropical Cyclone Monitoring

An analysis is made of the typhoon monitoring with the high temporal and spatial resolution satellite data, with the application status covering the tropical cyclone structure, intensity, path, and influence of precipitation.By using high resolution satellite observations, some characteristics can be captured more clearly, including the rapid growth or dissipation of typhoon clouds, the circulation evolution at each layer, and rainfall area forecasting. Great progress has been made in forecasting capability accordingly. The future satellite development programs of China are discussed, in which the new data from FY 4 and FY 3 satellites will bring advanced sensors and new methods, with the aid of the higher frequency and spatial resolution observation, and the accuracy of typhoon intensity and track forecasting will be further improved.