June 21, 2011
The Sun drives our climate, so a slowdown in solar activity would surely put the brakes on global warming—wouldn’t it? That question percolated through the media following a set of reports from a solar physics meeting.
UCAR Magazine
June 02, 2011
How can a relatively small increase in the average temperature of the planet lead to numerous record-breaking heat waves? Part of the reason can be gleaned from a single graph.
Thumbnail of graphic showing shift in prevalence of record heat
May 20, 2011
An email exchange following Part I revealed the enthusiasm of the Boulder weather community for clouds and the presence of many instruments probing the atmosphere over Boulder—and, in the end, the height of the formation.
UCAR Magazine
May 12, 2011
Millions of eyes were on the wedding of Prince William and Catherine Middleton even as another major UK news story took shape—one dealing with meteorology rather than monarchy.
Depiction of European soil moisture anomalies, 10 May 2011
May 06, 2011
NCAR's Chris Davis reviews 45 years of ASP summer colloquia and looks forward to keeping the program going strong.
Chris Davis
May 06, 2011
Rick Anthes, UCAR president, looks at atmospheric predictability in general and presents some remarkable examples of recent successful experimental predictions.
Cyclone Nargis in Bay of Bengal
May 06, 2011
Clark Evans from the University of Wisconsin examines Tropical Storm Erin, the rare cyclone that actually became stronger over Oklahoma than it did over water.
May 03, 2011
Andrew Monaghan used to spend his time analyzing mathematical models of climate change in Antarctica. Now the NCAR scientist sits down with traditional healers in remote villages in Uganda.
UCAR Magazine
April 28, 2011
How could a tornado outbreak kill more than 200 people? Several factors—meteorological, geographical, and sociological—came together in a rare and deadly way.
UCAR Magazine
March 30, 2011
A finely textured cloud leads to an informal investigation and a lively scientific debate over how it formed.
Mysterious cloud over Boulder, Colorado, 23 March 2011
March 23, 2011
The return of sunlight in polar spring means ozone destruction above the Antarctic—and, in 2011, above the Arctic.
A high-resolution infrared Fourier transform spectrometer is pictured.
March 10, 2011
Like a creature from a hydrologic horror flick, Devils Lake, North Dakota, has been expanding off and on for 70 years, most dramatically from the mid-1990s onward. Some of its tendrils have blocked rail lines and roadways for years.
Birds gather at a flooded spot in a North Dakota roadway.
March 02, 2011
Rick Anthes asks if future scientific breakthroughs and technological innovation will be "Made in China."
Richard Anthes on the Zhongnanhai (Chinese White House) campus in Beijing
March 02, 2011
Karen Akerlof at George Mason University has analyzed the treatment of climate modeling in the mass media. Are models a missing piece in climate change journalism?
Karen Akerlof, George Mason University
February 25, 2011
The less-than-predicted amount of oil reaching coastlines after the Deepwater Horizon spill illuminates the difference between a projection and an actual forecast and the challenges of making short-term projections of natural processes that can act chaotically.
Track of Loop Current in the Gulf of Mexico
January 18, 2011
In December 2010, media dutifully reported the heavy snow that battered the northeast U.S. and the United Kingdom’s coldest December in at least 100 years. Meanwhile, the sparsely populated Canadian Arctic basked in near-unprecedented mildness.
Strong temperature anomalies across eastern Canada, mid-Dec to mid-Jan 2010/11
December 30, 2010
It's good to remind ourselves how far weather prediction has come in recent years. The ferocious winter storm that assailed the U.S. Atlantic coast in late December 2010 offers a great case in point.
A motorist near Central Park tries to enter his snowbound vehicle
December 22, 2010
Strong jet streams often plow into the West Coast in wintertime, but the heaviest rains and snows occur when the flow dips far south over the Pacific, allowing it to bring an atmospheric river of warm, moist air from the subtropics to California.
People using rowboats on streets of Sacramento
December 02, 2010
Huge temperature swings are well known to residents of the Front Range of Colorado, thanks to the arrival of sharp winter cold fronts as well as chinook-driven warm-ups.
Currents | UCAR Magazine | Boulder's tempestuous temperatures
December 02, 2010
Issuing a five-day weather forecast was once a daring enterprise. Today, we’re not only accustomed to long-range weather forecasts but also to seasonal-scale outlooks. Hurricanes and sea ice show how far we've come.
Hurricanes Igor and Julia, 15 September 2010
November 23, 2010
The periodic cooling of the eastern tropical Pacific Ocean helps bring rain to Alaska and blizzards to Colorado.
UCAR Magazine | Where it's wintry and where it's not: La Niña at the helm
November 15, 2010
As president of the American Meteorological Society, Margaret LeMone pondered communication-related issues for the 2011 annual meeting of the AMS.
David Levin (NOVA) and Tim Lim (NCAR) at VORTEX2 field project
November 02, 2010
Kevin Knupp at the University of Alabama investigates heat bursts, unusual pockets of very warm, dry air descending from thunderstorms.
Kevin Knupp
November 02, 2010
Julia Slingo from the U.K. Met Office foresees physicists and mathematicians engaging with many other disciplines to provide world-class weather and climate science and services.
Julia Slingo, UK Met Office
November 02, 2010
UCAR president Rick Anthes says the good forecasts of Hurricane Earl were not unusual. The accuracy of hurricane track forecasts has increased steadily over the years.
Hurricane Earl


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