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January 16, 2013
New research points to gravity waves, which ripple unseen through the atmosphere, as the culprit in many cases of clear-air turbulence. If those waves can be forecast, the research suggests that planes in many cases could be rerouted around them.
gravity waves
December 05, 2012
The new Erebus supercomputer will lead to improved Antarctic forecasts.
WRF forecast of surface temperatures and winds over Antarctica from Erebu
October 16, 2012
New observations of the magnetic field on the Sun are providing an unprecedented glimpse into solar eruptions that have serious impacts on Earth.
Image showing coronal cavity as darker area emitting less light
August 21, 2012
Accounting for clouds in weather forecasting could greatly improve road safety.
road stretching to horizon, with blue sky and clouds above
August 17, 2012
Studies show 63% of hurricane-related deaths occur inland. To help emergency managers prepare, NCAR scientists are pinpointing vulnerable populations using tropical storm winds, census data, and flood maps.
Map of eastern U.S. showing vulnerability extending as far as Great Lakes
August 15, 2012
In some areas, heat from urban development could outpace warming due to greenhouse gases.
July 26, 2012
Even if climate mitigation efforts succeed, current warming trends commit us to centuries of sea level rise.
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
July 11, 2012
A new forecasting tool boosts the detail and accuracy of short-term wind forecasts, offering another way to increase the efficiency of wind energy production.
Rows of wind turbines
July 06, 2012
Cooler and drier air injected into a hurricane can put the brakes on its growth. Scientists are learning more about how this process works and how forecasters can watch for it.
Image showing the impact of ventilation on hurricane intensity
April 16, 2012
After an earthquake and tsunami damaged the Daiichi nuclear power plant in Fukushima, Japan, on March 11, 2011, an unknown quantity of radioactive material was released into the surrounding air and sea.
A map showing the coast of Japan.
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
March 01, 2012
A new study finds that extremely warm summers are not only occurring more frequently in the contiguous United States, but are likely to become normal by mid-century.
A hot-looking yellow Sun over the ocean, with seagulls in the foreground.
February 28, 2012
A new study that provides the first comprehensive satellite analysis of Earth’s melting glaciers and ice caps has grave implications for sea level rise.
An aerial view of a white glacier curving through mountains.
February 07, 2012
When a geomagnetic storm blasted Earth on January 24, commercial airlines redirected a handful of flights were originally routed to fly over the North Pole. Behind the scenes, NCAR scientists play a role in safety precautions such as these.
An image of the Sun with orange flares.
February 02, 2012
A new computer modeling study from NCAR investigates how an increase in shrubs in the Arctic may affect permafrost. Over the past few decades, a warming climate has meant that the Arctic’s grassy tundra is being increasingly overtaken by shrubs.
January 13, 2012
The effects of a warming climate on hail are largely unknown, as global climate models are too coarse in resolution to simulate hailstorms in detail. But a new modeling study now tackles this subject, looking at the future of hail in Colorado’s Rocky Mountains over the coming decades.
A slice of hailstone on a black background.
January 04, 2012
New research led by NCAR scientist Thomas Galarneau provides an in-depth analysis of two extreme weather events whose connection may come as a surprise: Russia’s intense heat wave in summer 2010 and the heavy rains that occurred simultaneously in Pakistan.
A satellite image showing heat over Russia in bright orange.
December 27, 2011
New research from NCAR is helping wind energy developers determine the best potential sites for capturing wind. Energy companies can lose money if they install turbines where winds are either too low to generate much power or so high that the turbines often need to be shut down to avoid damage.
Wind turbines on a hillside.
October 26, 2011
NCAR scientists have performed one of the most detailed simulations ever of a massive tornado outbreak. They simulated two waves of tornadic storms that occurred on April 27,2011 in Alabama, the deadliest U.S. tornado day since 1925.
Satellite image of southeastern U.S. with swirling storms.
October 17, 2011
Climate change is not expected to affect the extent or frequency of the El Niño/Southern Oscillation over the 21st century, but it could worsen its impacts. That’s the conclusion of a modeling study published in Journal of Climate in September.
Waves crashing near shore.
October 03, 2011
A team that includes NCAR scientists Anne Boynard and Alex Guenther has found that the rate at which plant canopies emit isoprene, a volatile organic compound, is influenced by circadian rhythms.
Rain forest with lots of large ferns in the foreground.
October 03, 2011
New research by a team of scientists that includes NCAR’s Marika Holland takes a close look at making seasonal forecasts of Arctic sea ice coverage.
Sea ice
August 31, 2011
New research that involves NCAR's Bette Otto-Bliesner questions conventional wisdom with regard to massive iceberg discharges in the North Atlantic Ocean during the last glacial period, pointing toward climate rather than ice sheet instability as a cause.
An iceberg floating in the ocean.

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