A Defense Meteorological Satellite Program nighttime image of Hurricane Rita churning in the Gulf of Mexico Sep. 22, 2005. The DMSP F-16 satellite image from 8:59 p.m. (CDT) Sep. 22, is a multispectral image that uses both infrared and visual satellite imagery to produce a color composite that reveals clouds and lights. The infrared portion is in blue, showing clouds, and the visible portion is in yellow, showing city lights. Image courtesy of the Air Force Weather Agency.