Abstract: The Radar Index (RI) is presented as a statistic used to study convective activity in the summer monsoon over southeast Asia. The RI is defused simply as the percent coverage of echo within 50 n mi of the radar. A computer ...

Abstract: Two waterspouts were observed aloft from a private aircraft recently near Lower Matecumbe Key, Florida. Color slides and zoom movies of both waterspout vortices on the sea surface and aloft were obtained. A detailed ...