NASA Sees Cyclone Narelle over 6 Days (image) NASA/Goddard Space Flight Center Caption 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. Credit NASA JPL, Ed Olsen Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.