Hurricane Sandy (Atlantic Ocean)

“The Atmospheric Infrared Sounder (AIRS) instrument aboard NASA's Aqua satellite captured infrared imagery of Hurricane Sandy on Monday, Oct. 29 at 0711 UTC (3:11 a.m. EDT) that showed some strong thunderstorms (purple), and the extent of Sandy's reach (blue) from the Carolinas into the Ohio Valley and eastern Canada. The thunderstorms in the purple areas, were reaching high into the troposphere, where cloud top temperatures were as cold as -63 Fahrenheit (-52 Celsius).”