Terra Image of Walaka (IMAGE) NASA/Goddard Space Flight Center Caption NASA's Terra satellite observed Hurricane Walaka in the Central Pacific Ocean on Oct. 4 at 4:55 a.m. EDT (0855 UTC). Infrared light that revealed cloud top temperatures were coldest (red) as cold as minus 70 degrees Fahrenheit (minus 56.6 degrees Celsius). Credit Credit: NASA/NRL Usage Restrictions None License Licensed content 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.