NASA Looks at Midwestern Storm in Infrared Light (image) NASA/Goddard Space Flight Center Share Print E-Mail Caption On Dec. 21 at 2:29 a.m. EST, the AIRS instrument aboard NASA's Aqua satellite captured this infrared image of the massive low pressure area that caused a major snowstorm in the Midwest and beyond. The darkest blue and purple (-63.6 Fahrenheit/-53.5 Celsius) areas indicate the highest clouds and coldest cloud top temperatures, where precipitation is heaviest. Credit NASA JPL, Ed Olsen 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.