July 9, 2015
Current NCAR Deputy Director and COO Michael Thompson will be interim UCAR president while an international search takes place for a permanent president.
Michael J. Thompson
June 30, 2015
Interim leadership will be named by the UCAR Board of Trustees.

A new study shows how huge influxes of fresh water into the North Atlantic Ocean from icebergs calving off North America during the last ice age had an unexpected effect – they increased the production of methane in Earth’s tropical wetlands.

Evidence from the highly detailed West Antarctic Ice Sheet Divide ice core

Watching plants perform photosynthesis from space sounds like a futuristic proposal, but a new application of data from NASA's Orbiting Carbon Observatory-2 (OCO-2) satellite may enable scientists to do just that. 

Artistic representation of an OCO-2 orbit track, covering vegetated areas and measuring Solar Induced Fluorescence (SIF).
July 22, 2015 | A well-knit network of weather stations is critical to making accurate regional forecasts and understanding the long-term impacts of a changing climate. But in parts of the developing world, working weather stations are few and far between. Fixing the problem could require significant international investment, extensive training of technicians, and a bevy of costly meteorological equipment—or maybe just a 3D printer, some off-the-shelf sensors, and a cheap, credit card-sized computer developed for school kids.
3D printing for developing-world weather stations: NCAR engineer checks a prototype at outdoor test site
June 3, 2015 | Storm-studying scientists have made their next-generation forecasting system available online so the wider weather community can put it to the test. After using the real-time system during short-lived field research campaigns, developers at the National Center for Atmospheric Research (NCAR) are now ready to see how it performs year-round, and they're eager for user feedback.
Map showing NCAR ensemble forecast with results from 10 members
July 8, 2015 | As a key driver of winter weather patterns across Europe, the North Atlantic Oscillation (NAO) has long sparked the interest of atmospheric researchers. Now a new study sheds light on the history of the NAO over the past 1,000 years, potentially moving scientists closer to the goal of projecting weather patterns for Europe months to years in advance.
1,000 years of the North Atlantic Oscillation: Map shows NAO conditions in negative phase
June 17, 2015 | Water falls from the sky, runs across the earth, funnels into drainages, and fills rivers.  It seems simple. But total precipitation does not equal total streamflow. Along the way, some of the water gets sucked up by plants, absorbed by the soil, or evaporated into the air. A complex array of factors—from wind speed to geology—influences how much precipitation converts into streamflow and at what speed.
Hydrologic model lets users decide: side-by-side grid and basin maps
June 22, 2015 | When a deadly heat wave lingers for an especially long time; when a hurricane makes landfall with particular ferocity; or when droughts, winter storms or cold snaps break records, the public is
Climate and extreme weather: cracked, dry soil in Colorado
February 24, 2015 | Earth’s weather extends into higher regions of the atmosphere than the one we inhabit. But the influence of those regions has been challenging to chart until recently.
Impacts of atmospheric waves: Photo of EISCAT Svalbard incoherent scatter radar