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