This presentation provides an introduction to the topic of cyclone. It begins with defining a cyclone as a severe tropical storm with high winds and heavy rains. It notes that cyclone season occurs from October through December in India. The document then states that on October 26, 2004, Cyclone Gonu became the strongest cyclone ever recorded in the Arabian Sea, with wind speeds up to 800 kmph and tidal surge up to 30 meters. It concludes by thanking the audience.