Cold air blowing between warmer water and warm upper-level air masses can produce long lines of cumulus clouds.
Published Nov 20, 2012Acquired November 18, 2012, this image shows dust plumes blowing over the Arabian Sea.
Published Nov 19, 2012Rock pulverized by glaciers served as the raw material for a fall dust storm emanating from Alaska’s Copper River delta in October 2012.
Published Oct 31, 2012Acquired October 27, 2012, this natural-color image shows a phytoplankton bloom off the coast of Argentina.
Published Oct 30, 2012NASA’s Aqua satellite acquired this natural-color view of the storm just before it hit New Jersey.
Published Oct 29, 2012As the U.S. East Coast prepared for landfall of the potent storm, Sandy churned up the Atlantic Ocean along the Gulf Stream.
Published Oct 28, 2012Fall colors swept across the Mid-Atlantic during October 2012.
Published Oct 26, 2012Severe winds kicked up dust across the central United States on October 18, 2012, closing highways and reminding locals of the Dust Bowl days.
Published Oct 20, 2012Glaciers on the Tien Shan, a long mountain range that runs through central Asia, serve as a key source of freshwater for cities in the region.
Published Oct 18, 2012Intense bushfires in northern Australia spawned pyrocumulus clouds in October 2012.
Published Oct 9, 2012The Cascade Creek fire burned on the south slope of Mount Adams in 2012.
Published Oct 3, 2012Acquire September 27, 2012, this image shows Super Typhoon Jelawat northeast of the Philippines.
Published Sep 27, 2012In a year that is on pace to break records, wildfires burned throughout Idaho, Washington, and Oregon in September.
Published Sep 19, 2012In September 2012, lightning sparked numerous wildfires in central Washington.
Published Sep 11, 2012After making landfall, Hurricane Issac has reverted to tropical storm status.
Published Aug 29, 2012Fires raged near Salmon, Idaho, on August 28, 2012.
Published Aug 29, 2012The storm was expected to make landfall on the anniversary of Hurricane Katrina, while marching straight up the Mississippi River basin.
Published Aug 29, 2012During summer 2012, wildfires burned pine and cork forests throughout northern Algeria.
Published Aug 27, 2012A fire near Lake Gregory produced thick smoke on August 19, 2012.
Published Aug 21, 2012Wildfires burned near Lassen Volcanic National Park in mid-August 2012.
Published Aug 20, 2012Acquired August 17, 2012, this image shows Typhoon Kai-tak passing over the Leizhou Peninsula of southern China.
Published Aug 17, 2012Three large fires burned in central Idaho in August.
Published Aug 16, 2012In August 2012, lightning sparked numerous wildfires that burned throughout the western United States.
Published Aug 15, 2012The Ob and Yenisei Rivers wash sediment and dissolved plant matter into the Arctic Ocean.
Published Aug 12, 2012An unusual summer storm could potentially affect Arctic sea ice.
Published Aug 9, 2012In July, brush fires burned in eastern Oregon. A few weeks later, another fire has emerged in the same area.
Published Aug 8, 2012Satellite images separated by 50 years show actinoform clouds over the Pacific Ocean.
Published Jul 19, 2012Acquired with 23 hours on July 16-17, 2012, these three images track the calving of a new iceberg off Greenland’s Petermann Glacier.
Published Jul 18, 2012Fires in the Far East of Russia produced large amounts of smoke on June 28, 2012.
Published Jun 29, 2012A fire began burning in Bridger-Teton National Park on June 24, 2012.
Published Jun 29, 2012