NASA AIRS Infrared Image of Tropical Depression 11W (image) NASA/Goddard Space Flight Center Share Print E-Mail Caption NASA's Aqua satellite passed over Tropical Depression 11W on July 26 at 0347 UTC (11:47 p.m. EDT on July 25). This infrared image was taken from the AIRS instrument on NASA's Aqua satellite and showed a large area of very cold cloud top temperatures (purple) from strong thunderstorms around the center of the storm. Credit NASA JPL 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.