The City of Aurora's Utilities Department is utilizing ArcInfo and ArcView 2.1 to analyze and display real-time raingage and streamflow data from the city's ALERT Flood Warning System. ERSI's ArcView 2.1 was chosen to display rainfall and streamflow data because of its ability to display numerous types of GIS information, Avenue script customization, spatial data analysis, file input-output, remote system execution, and graphical user interface. ArcInfo Grid is used to develop a continuos areal rainfall surface from the point rainfall data. The Utilities Department is able to access and analyze both historical and current real-time rainfall and streamflow data from a easy to use graphical interface. Data is obtained by querying a remote real-time data collection database. Applications include studies in emergency flood response, location of flood reports, routine maintenance for storm sewers, and NPDES compliance for water quality. This paper will lay out the steps in the development and use of this tool including remote system calls, AML scripting, Avenue script customization and project display.