January 15, 2013
Even as the rest of the nation baked in 2012, Alaska froze. The contiguous 48 U.S. states saw their warmest year on record by far, but it was one of Alaska's chilliest.
Alaska cold - headlights on a highway in Fairbanks, AK
December 23, 2012
West Antarctica is experiencing nearly twice as much warming as previously thought.
Byrd
December 12, 2012
Though we’re still more than two weeks from the end of 2012, it’s not too soon to get a sense of how the year will go down in meteorological annals. Some of the signals from January to November are so strong that December won’t change the outcome.
Weather year in review-map showing U.S. heat, global warmth
November 09, 2012
NOAA has cancelled the El Niño Watch that’s been in effect since late summer (see PDF), but this doesn't guarantee a placid U.S. winter.
Snowy street in Seattle
November 08, 2012
The new study may provide a breakthrough as scientists try to narrow the range of projections of future global warming.
warming
October 08, 2012
First in the queue for the NCAR-Wyoming Yellowstone system is a set of 11 computing-intensive projects tackling major problems in Earth and atmospheric science.
Close-up depiction of solar turbulence
September 28, 2012
In recent months there’ve been hints of an El Niño on the horizon that might help quench the ongoing U.S. drought. But those hints might turn out to be as meaningless as a mirage on a parched highway.
View from research site, Kanton Island, American Samoa
August 17, 2012
Researchers ponder the implications of a massive summer storm in the Arctic Ocean that swept across a weakened ice pack.
UCAR Magazine
August 15, 2012
In some areas, heat from urban development could outpace warming due to greenhouse gases.
August 13, 2012
Until supplies approach a trickle—or a torrent—public attention seldom focuses on water issues. But water is consistently Topic A for a wide-ranging group of researchers.
Illustration comparing total global water to much tinier total freshwater
August 13, 2012
States are having to make tough decisions regarding their water use and their interaction with water. NCAR scientists are involved in collaborative projects in Colorado, Louisiana, and Oklahoma to evaluate the long-term effects of today’s decisions.
UCAR Magazine
August 13, 2012
One of the largest bodies of water in the United States, the Ogallala Aquifer, lies underground. Crucial to life in the U.S. Great Plains, it's one of many aquifers around the world under stress as water demands increase. Satellite data are now painting a richer picture of how these water stores are evolving.
faucet
August 13, 2012
As rising temperatures melt glaciers around the world, scientists are tracking the changes and helping glacier-dependent regions adapt to a changing water supply.
Glacier in Alaska
August 06, 2012
Whether you’re looking at the next few weeks or the next few decades, many parts of the United States are likely to face the silent but devastating impacts of drought.
Global map showing regions drying by 2090s
July 26, 2012
Even if climate mitigation efforts succeed, current warming trends commit us to centuries of sea level rise.
July 24, 2012
The effort to improve air quality during the 2008 summer games enabled researchers to quantify the link between traffic and carbon dioxide.
Map showing area with reduced carbon emissions
July 18, 2012
A new meta-analysis highlights the shortcomings of vulnerability studies and points to a more integrative way forward.
Street scene in St. John, Antigua
July 11, 2012
Sulfate gases emitted by the Nabro volcano boosted stratospheric particles and gas across the entire Northern Hemisphere in 2011.
Volcano: Mt. St. Augustine, Alaska
June 20, 2012
Colony of world's largest penguins may decline dramatically as Antarctic sea ice recedes this century, new study indicates.
Emperor penguins.
May 31, 2012
A multisatellite observing system that was only a gleam in researchers’ eyes in the 1990s is now a key tool for monitoring Earth’s atmosphere. An ambitious follow-up project could yield up to ten times the data gathered by the current satellites.
UCAR Magazine
May 21, 2012
With a series of papers over the last few years, NCAR's Aixue Hu has been slowly unraveling the story of the Bering Strait and its complex impact on our planet's climate.
UCAR Magazine
May 14, 2012
The atmosphere has dealt Houston more than a few wild cards over the last few years, including two devastating tropical cyclones and unprecedented drought. While dealing with such weather threats, the nation's fourth largest city is also taking steps to tackle longer-term climate change.
Downtown Houston skyline at night
April 03, 2012
March is normally the snowiest month of the year across parts of the central Rockies, but March 2012 left much of Colorado snowless and nervous.
Tallgrass struggles against drought in this file photo from eastern Colorado.
March 28, 2012
Burning fossil fuels has led to a warmer, moister atmosphere and a shifting background for extreme weather and climate events, according to a study that analyzes noteworthy weather events from the last two years.
A man with an umbrella walks through floodwaters in Ambala, India, July 2010

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