The weather phenomenon that brought frigid temperatures - minus 18°F in some places - to the United States in the first week of 2014 was probed by NASA's Atmospheric Infrared Sounder (AIRS) instrument on NASA's Aqua spacecraft.
The weather phenomenon that brought frigid temperatures - minus 18°F in some places - to the United States in the first week of 2014 was probed by NASA's Atmospheric Infrared Sounder (AIRS) instrument on NASA's Aqua spacecraft.