The document summarizes three tropical cyclones that affected the Philippines in 2009: Tropical Storm Ondoy (Ketsana) caused widespread flooding in Metro Manila in late September, with over 455 mm of rain recorded in 24 hours. Typhoon Pepeng (Parma) brought heavy rains to northern Luzon in early October, lingering over the area for about a week as it made three landfalls. Typhoon Santi (Mirinae) struck southern Luzon in late October to early November with maximum sustained winds of 150 kph.