Contact: Rob Gutro
robert.j.gutro@nasa.gov
443-858-1779
NASA/Goddard Space Flight Center
Caption: Infrared imagery from the AIRS instrument aboard NASA's Aqua satellite captured this image of Tropical Depression 21W as a developing low pressure area on Sept. 30. The purple areas indicate the most powerful thunderstorms with coldest cloud top temperatures.
Credit: NASA/JPL, Ed Olsen
Usage Restrictions: None
Related news release: NASA observes another tropical depression birth in northwestern Pacific