AIRS Image of Harvey (IMAGE) NASA/Goddard Space Flight Center Caption This infrared image of Tropical Storm Harvey occurred at the same hour of landfall in southwestern Louisiana. The AIRS instrument aboard NASA's Aqua satellite captured this image on Aug. 30 at 4:17 a.m. EDT (0817 UTC), and purple indicates the strongest storms. Credit Credits: NASA JPL, Ed Olsen 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.