This volume is the proceedings of a NATO-sponsored Advanced Study Institute (ASI) entitled "Coping with Flash Floods" held in Ravello, Italy on 8-17 November 1999. Thirty-five participants from nine countries attended the ASI, representing both developed (United States, England, Italy, and Mexico) and developing (Poland, Uganda, Greece, Ukraine, and Slovenia) countries. Participants from a variety of professions and disciplines were involved including...