Global Temperature

Credit: Credit: AIRS Science Team, NASA/JPL, Posted on: Friday, 6 June 2003, 06:00 CDT Download full size image

The Atmospheric Infrared Sounder (AIRS) instrument aboard NASA’s Aqua satellite senses temperature using infrared wavelengths. This image shows temperature of the Earth’s surface or clouds covering it for the month of April 2003. The scale ranges from -81 degrees Celsius (-114° Fahrenheit) in black/blue to 47° C (116° F) in red. The Intertropical Convergence Zone, an equatorial region of persistent thunderstorms and high, cold clouds is depicted in yellow. Higher latitudes are increasingly obscured by clouds, though some features like the Great Lakes are apparent. Northernmost Europe and Eurasia are completely obscured by clouds, while Antarctica stands out cold and clear at the bottom of the image.

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