August 12, 2010
Cold fronts are funny things. Sometimes they can sneak by without you knowing precisely when they’ve done so. Other times they are unmistakable.
UCAR Magazine
August 10, 2010
Just as the U.S. economy began a dramatic nosedive in 2007, so did the Arctic’s summertime sea ice. In the summer of 2010, the ice—much like the economy—continued to struggle.
Ice in the Chukchi Sea
August 09, 2010
In 1988, it was the spectre of Yellowstone National Park on fire. In 2003, it was the horror of thousands dying from heat in prosperous western Europe. The planet’s standout heat wave in 2010 plagued much of European Russia, including Moscow.
UCAR Magazine
July 23, 2010
In Kansas City and Tulsa, overnight lows have seldom dipped much below 80°F, with consistently oppressive humidity. Pulses of tropical air flowing north and east from the Gulf of Mexico are largely to blame.
CCSM CAM3 simulation of water vapor
June 09, 2010
Stephen Cavallo (University of Oklahoma) examines polar lows, a potentially significant factor in generating wintertime cyclones.
Steven Cavallo
June 09, 2010
As the public and political dialogue surrounding climate change heats up, UCAR's Jack Fellows finds that climate change science has never been more rigorous and exciting.
June 09, 2010
Rick Anthes, UCAR president, examines the unprecedented boom in the atmospheric sciences after World War II.
Earthrise from Apollo 10, December 1968
May 28, 2010
The sirens sound when the skies turn black and violent supercell thunderstorms roar through.
UCAR Magazine
May 24, 2010
The difference between El Niño and La Niña can be a huge one for U.S. weather and for global climate. A strong El Niño can nudge global temperatures upward for up to a year.
May 17, 2010
An evening baseball game brings a lesson on how temperature affects insects, and thus the behavior of insect-catching birds—in this case, a pair of western kingbirds.
Western kingbird
May 17, 2010
The year 2010 brought a difficult and sometimes tragic few months of weather events—first the snowstorms and record cold that battered much of the Northern Hemisphere, then tornadoes and floods in the United States.
Atlantic sea-surface temperatures, May 2010
April 09, 2010
There’s only so much air to go around. Since we inhale trillions of molecules with every breath, a few of them may have been exhaled by people who lived hundreds or thousands of years ago.
Canadian smoke plume, 2008
April 02, 2010
The downpours of March suggest that the most noteworthy aspect of the Northeast’s winter was the intense precipitation rather than unusually cold air.
UCAR Magazine
February 25, 2010
Like a cat toying with its prey, an intense area of low pressure took swipes at New England and the mid-Atlantic.
UCAR Magazine
February 08, 2010
Residents of the mid-Atlantic can be forgiven if they’re craving a bit of calm. The weekend of 5–6 February brought what’s been variously dubbed Snowpocalypse II, Snowmageddon, Snowtastrophe, and the Superbowl Superstorm.
UCAR Magazine
January 27, 2010
Even with modern observational equipment, birds can still be useful in sensing the boundary layer—the region of the atmosphere closest to the surface.
UCAR Magazine
January 15, 2010
Even if the onslaught paled next to great winter outbreaks of the past, it was impressively persistent across some influential areas, including southeast England and the U.S. mid-Atlantic.
Extent of snow cover on 14 January
January 15, 2010
Clearly, the end of the Copenhagen conference isn’t the end of work on climate change—though, with regards to Winston Churchill, it might be the end of the beginning.
UCAR Magazine
January 08, 2010
No matter how you slice it, the last few weeks have been consistently wintry across large chunks of North America and Eurasia.
AO index for September 2009-January 2010
January 07, 2010
Rich Anthes, UCAR president, believes that it is vital that we pay attention to what electronic communication can take from us, as well as what it can give us.
Richard Anthes
January 06, 2010
Have you ever looked up in the sky and seen something totally surprising?
Circumzenithal arc
December 16, 2009
Amid the strife of the Copenhagen climate summit, one area of acknowledged progress was in ways to help preserve tropical forests and their vast stores of carbon in developing countries.
Rainforest in Congo
December 16, 2009
Sometimes the numbers just don’t add up, even when you know they need to. Attendees at the Copenhagen meeting got a taste of that as the massive meeting struggled to accommodate its guests.
UCAR Magazine
December 13, 2009
A year after she was finishing a two-year appointment at NCAR, Mercy Borbor Córdova was literally on the world stage, serving as a delegate from Ecuador at the Copenhagen climate summit.
UCAR Magazine
December 10, 2009
At first glance, the Copenhagen conference seemed like an alternate universe—enormous, byzantine, and riddled with customs and folkways that weren’t at all obvious to someone who’s never been to such a meeting.
UCAR Magazine


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