An instrument on NASA's Terra spacecraft is helping officials accurately estimate the heights of the massive ash plumes emitted by Iceland's Eyjafjallajokull volcano.
Triple-digit temperatures, extremely low relative humidities, dense vegetation that has not burned in decades, and years of extended drought are all contributing to the explosive growth of wildfires throughout Southern California.
The collapse of the World Trade Center on September 11, 2001, and the fires that followed produced a noxious smoke plume, a complex mixture of tiny airborne particles and gases.
Newly released imagery from three NASA spaceborne instruments/missions sheds valuable insights into the Indian Ocean tsunami that resulted from the magnitude 9 earthquake southwest of Sumatra on December 26.