This series of infrared images of Cyclone Narelle was taken over six days by the AIRS instrument that flies aboard NASA's Aqua satellite. It shows the growth into a cyclone and weakening back to a tropical storm. The purple areas are the coldest cloud top temperatures, and strongest storms with heaviest rainfall occurring in the cyclone. Top row left to right: Jan. 10 at 0623 UTC; Jan. 11 at 1759 UTC; Jan. 12 at 0605 UTC. Bottom row, left to right: Jan. 13 at 0647 UTC; Jan. 14 at 0553 UTC; and Jan. 15 at 0635 UTC.