 The storm killed 29 people and left 100,000 homes without power.During 7 May, TCWC Brisbane and the JTWC started to monitor Tropical Low 21P that had developed, along the South Pacific Convergence Zone near the island of Bouganville.During that day the low moved southwards and acquired the characteristics of a tropical cyclone, before it was named Lisa by TCWC Brisbane early the next day, after it had developed into a category one tropical cyclone on the Australian scale.