Abstract
Recent developments in computer technology have made real-time objective analysis of meteorological data sets possible. In the present study, computationally efficient algorithms are developed for an IBM PC/AT based computer system to produce accurate graphical displays of upper air soundings and cross-sectional analysis. The cross-sectional analysis allows plotting and contouring of 16 meteorological fields while the single station analysis provides for calculation of 26 thermodynamic parameters and stability indices. Real-time data are obtained for these programs by a newly developed algorithm which decodes FAA604 formatted upper air data. A case study combining cross-sections with conventional National Weather Service analyses demonstrates how these algorithms can be successfully employed in real-time applications and classroom instruction.
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