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A NOAA - UNIVERSITY OF OKLAHOMA COOPERATIVE INSTITUTE

The Cooperative Institute for Severe and High-Impact Weather Research and Operations (CIWRO), formerly known as the Cooperative Institute for Mesoscale Meteorological Studies (CIMMS), is a research organization formed in 1978 by a cooperative agreement between the National Oceanic and Atmospheric Administration and the University of Oklahoma.

CIWRO News

Connecting Data to Phenomena Drives Radar Researcher to Investigate Winter Weather Hazards

On warm, sunny days, Jacob Carlin can be found creating his own severe weather – radar simulations of winter storms that help forecasters make short-term predictions about what can't be seen inside a storm. Carlin analyzes dual-polarization radar data as a research scientist at the Cooperative Institute for Severe and High-Impact Weather Research and Operations (CIWRO) at the University of Oklahoma. By studying ...
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Researcher Bridging Gaps in Flash Flood Research

When Hurricane Ian made landfall in Florida in late September, destructive mass flooding was imminent, but not all flash floods are as easy to predict. Forecasters must have access to a variety of data to issue flash flood warnings, and researcher Humberto Vergara Arrieta and his hydrology team are working to make it easier to communicate life-saving watches and warnings to the public. Vergara Arrieta is the lead ...
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Hazardous Weather Testbed Allows Researchers and Forecasters to Experiment With New Weather Software

During severe weather, colored polygons on radar maps represent traditional weather warnings. But for researchers with the Cooperative Institute for Severe and High-Impact Weather Research and Operations (CIWRO), the future of forecasting isn’t tied to a static shape. Adrian Campbell and Rebecca Steeves, research associates for CIWRO at the University of Oklahoma, were part of a team that recently conducted ...
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Accessbility Statement

In the developing of this web application, the Cooperative Institute has thoroughly prioritized accessibility. If you find that any feature of the application is difficult to use or inaccessible to you, please contact us at the information listed in our contact page. We will strive to fix any issue that arises, and we will continue furthering the accessbility of our site to uphold the Web Content Accessibility Guidelines (WCAG) in our product. In the future, we hope to achieve a level of AA conformance to the WCAG and are currently working towards that goal. Additionally, it is required that we provide a link to the University of Oklahoma's Web Accessibility Statement for all to be able to view from our site. The statement and related Univesity guidelines for accessbility can be found at https://ou.edu/marcomm/accessstatement.