May 26, 2016
The NSF initiative will foster collaborations among geoscientists by creating a common infrastructure for researchers to collect, access, analyze, share, and visualize all forms of data and related resources.
UCAR to support EarthCube: Computer simulation of Hurricane Sandy
May 17, 2016
Scientists use advanced software to visualize details of the powerful storms.
Scientists visualize tornado's winds: still image from animation shows vortices as tubelike structures
April 04, 2016
Part science, part art, data assimilation improves simulations by bringing a range of measurements – be they sparse, dense, or irregularly scattered – into computer models.
Data assimilation: Weather forecast map of southeastern US
January 21, 2016
A global weather model developed at NCAR offers a new way of simulating the atmosphere while providing scientists with flexibility when focusing on a specific area.
NCAR MPAS hexagonal mesh grid
January 11, 2016
The new system for the NCAR-Wyoming Supercomputing Center will be capable of more than 2.5 times the amount of scientific computing performed by its predecessor.
A 3D rendering of a thunderstorm
December 09, 2015
The agreement will lead to the country’s most advanced system for predicting wildfire behavior, including where and how quickly the blazes will spread.
Wildfire prediction system: Still from computer model visualization of wildfire
November 10, 2015
Winds not only influence waves, but waves influence the atmosphere as well.
still from 3D animation shows ocean swell motion propagating into the atmosphere
June 17, 2015
The SUMMA model lets users make individual decisions about how to treat a vast range of variables. This customizing allows users to mimic existing models or create something entirely new.
Hydrologic model lets users decide: side-by-side grid and basin maps
June 03, 2015
NCAR scientists are generating daily, high-resolution ensemble forecasts for the continental U.S. and making them available online.
Map showing NCAR ensemble forecast with results from 10 members
April 28, 2015
For the first time, an NCAR-led team of scientists have found a way to simulate the propagation of gravity waves toward space. The resulting visualization is mesmerizing to watch.
Invisible waves visualized: still from high-resolution simulation of north-south winds about 60 miles above Earth
January 13, 2015
Researchers are using specialized modeling techniques have learned how turbulence keeps the countryside cooler than urban areas on summer days.
The urban heat island effect can be exacerbated by the smooth surfaces of buildings, such as these in Dallas.
September 23, 2014
Founded on an NCAR-based research model, the new High-Resolution Rapid Refresh (HRRR) model will transform how the National Weather Service predicts short-range weather threats.
Severe thunderstorm east of Denver, 5/21/14
November 14, 2013
Using new satellite data, scientists have developed a technique that may produce continually updated, 24-hour predictions of wildfire growth throughout the lifetime of long-lived blazes.
Forecasts of long-lived wildfires: June 2010 fire in Great Sand Dunes National Park
October 01, 2013
Though Hurricane Sandy struck almost a year ago, the fearsome cyclone lives on within the circuits of supercomputers that are replicating its unusual evolution and track.
Supercomputer visualization of Hurricane Sandy, including near-surface winds and radar reflectivity
April 03, 2013
A diversity of science by researchers at NCAR and across the university community is emerging from the new system.
March 04, 2013
A major winter storm is threatening the Washington, D.C., area this week, on the heels of record-setting snowfalls and blizzard conditions in several parts of the United States last month. Are these onslaughts catching people off guard?
Predicting snowstorms: Accumulations from blizzard photographed on February 9, 2013, in Billerica, Massachusetts
July 02, 2012
A thunderstorm complex that toppled trees and knocked out power from Illinois to the Delaware coast brought to light a weather term with an obscure but intriguing history.
Derecho of June 29, 2012
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.
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
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 22, 2011
Last year, a team of NCAR scientists verified that the Weather Research and Forecasting model (WRF) can be used to depict seasonal snowfall in Colorado with a high degree of accuracy. Now the team is using WRF to forecast future snowfall.
Mountains covered in snow.
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
September 14, 2010
Talea Mayo, University of Texas at Austin • No two days are the same for this student of computational and applied mathematics. She's working to improve hurricane storm surge predictions by focusing on how data gets added, or "assimilated," into a forecasting model.
Talea Mayo works with Lee Mauldin on cluster-CIMS instrument
September 09, 2010
A team of scientists led by NCAR’s Keith Oleson has incorporated urban areas into a global climate model. The development is important because most models used for predicting future climate change do not account for the urban “heat island” effect.
Two satellite views of Atlanta that show urban heat island effect.
Two satellite views of Atlanta that show urban heat island effect.
August 18, 2010
The Community Earth System Model helps scientists shed light on some of the critical mysteries of global warming.

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