2 AIRS Infrared Images of Tropical Cyclone Narelle (image) NASA/Goddard Space Flight Center Share Print E-Mail Caption These two AIRS infrared images of Tropical Cyclone Narelle were captured on Jan. 8 at 1723 UTC and Jan. 9 at 0541 UTC. The very cold cloud top temperatures of -63F (-52C) appear in purple, indicating high, powerful thunderstorms with heavy rainfall. Credit NASA JPL, Ed Olsen Usage Restrictions None Share Print E-Mail 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.