Tropical Storm Dorian has formed in the far eastern Tropical Atlantic, just west of the Cape Verde Islands. The visible imagery above, from GOES-13 (left) and GOES-12 (right) shows the evolution of the storm in the morning on July 25th. The position change in six hours between 0845 UTC and 1445 UTC... Read More

Tungurahua is an active stratovolcano in Ecuador (Wikipedia); a Landsat-8 false-color image showed the partially snow-covered dome of the volcano on 13 July 2013. On the following day, the Washington Volcanic Ash Advisory Center issued a Read More

Tropical Storm Chantal, the third named storm of the northern Atlantic Tropical Season, has rapidly moved through the Lesser Antilles and into the eastern Caribbean Sea. The stereoscopic view of Chantal, above, uses visible (0.65 µm) imagery from GOES-12 (over the Equator at 60 W) and visible (0.63 µm) imagery... Read More

At 1645 UTC on 6 June, an Electronics Side Swap occurred for GOES-12 to mitigate the effects of Cycle Slips that were occurring around 0800-1300 UTC each day (See this link for an explanation). No Cycle Slips occurred in the GOES-12 imager data on 7 June; as a result, the images... Read More