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Flood forecasting gets major upgrade

flooding

Not only does flooding cause extensive damage to hundreds of thousands of homes and businesses annually, but last year it killed more people than any other weather hazard, including tornadoes and hurricanes, with Texas experiencing the most flood-related deaths. Here, flooding in downtown Mansfield, Texas in 2010.

Credit: Creative Commons, Douglas Bergere


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flooding

The National Water Model, a geographically distributed water simulation model, delivers state-of-the-science forecast information, data, decision-support services and guidance to essential emergency services staff and water management personnel. During the National Flood Interoperability Experiment, which the National Water Center and the Consortium of Universities for the Advancement of Hydrologic Science, Inc. (CUAHSI) conducted in June and July of 2015, researchers demonstrated the feasibility of calculating the river flow for all 2.7 million stream reaches simultaneously.

Credit: Consortium of Universities for the Advancement of Hydrologic Science, Inc. (CUAHSI), NSF


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Flooding

Streamflow anomaly guidance data from the National Water Model's Image Viewer.

Credit: NOAA


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flooding

The water cycle, also known as the hydrologic cycle or the H2O cycle, describes the continuous movement of water on, above and below the surface of the Earth.

Credit: NOAA


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The National Flood Interoperability Experiment is a collaboration between the academic community, the National Weather Service and its government partners, and commercial partners to develop a transformational suite of software and services for national flood hydrology and emergency response. The project is led by David Maidment, hydrologist and professor of civil engineering at the University of Texas at Austin. Because of the volume of data needed to accurately predict flooding, Maidment and his team turned to advanced computing resources at TACC. And through XSEDE's Extended Collaborative Support Service (ECSS), the researchers not only received an allocation on TACC's most powerful supercomputer, Stampede, but support from a TACC HPC expert to address a computational bottleneck and implement a new data structure and workflow.

Credit: Texas Advanced Computing Center