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Numerical Flash-Flood Alerts


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Created: May 25, 2025 at 12:58 a.m.
Last updated: May 25, 2025 at 12:58 a.m.
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Abstract

The Numerical Flash Flood Alert APP (NFFA APP) proudly supports the water science community across the United States by offering streamlined access to essential flood data from all USGS stations.

Accessing water data can sometimes be challenging. Our website is designed to provide quick and easy access to vital flood information for all USGS stations, helping professionals and communities stay informed and prepared. Here’s what you can find:

Action stage: This crucial threshold helps signal when it's time to start taking action in response to potential flooding.
Basin Area: Measured in square kilometers, this gives you insights into the scale of the potential flood.
Basin slope and stream length: These key geographical features provide critical information on water flow and flood potential.
Flashiness metrics: These indicators measure the variability in historical streamflow at each station, using a color-coded system: red indicates low variability, green is medium, and blue signifies high variability.
Technological Expertise
To deliver state-of-the-art solutions, we leverage a comprehensive suite of advanced IT tools:

Hydraulic & Hydrologic Modeling: We utilize sophisticated tools such as HEC-HMS for hydrology, HEC-RAS for hydraulics, and EF5 for precision in flash flood simulation. Our models are crucial for designing effective flood warning systems, enhanced by real-time satellite data to monitor and predict flood events accurately.
Water Resources Management: Our application of WEAP aids in sustainable water resources planning across sectors like agriculture, urban centers, and treatment facilities. This tool supports our commitment to developing well-informed, sustainable management strategies through detailed numerical analysis.
Pressurized Systems: Utilizing Pipe Flow Expert, we optimize systems for efficiency and sustainability, selecting the ideal pipes and pumps based on comprehensive hydrodynamic modeling.
Data Analysis Software: We employ Python and R Studio for cutting-edge data analysis, allowing us to craft sophisticated algorithmic solutions that enhance our predictive capabilities and decision-making processes.
GIS Software: Through ArcGIS and QGIS, we deliver intricate geographical mapping and spatial data analysis. These tools are integral to our comprehensive approach, offering crucial insights into the geographic dynamics of water flow and potential flood zones.

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Funding Agencies

This resource was created using funding from the following sources:
Agency Name Award Title Award Number
National Oceanic and Atmospheric Administration (NOAA), University of Alabama CIROH: Enabling collaboration through data and model sharing with CUAHSI HydroShare NA22NWS4320003 to University of Alabama, subaward A23-0266-S001 to Utah State University

How to Cite

Romero, E. (2025). Numerical Flash-Flood Alerts, HydroShare, http://www.hydroshare.org/resource/76634d9ae3e24bcf85036a5e5add2d47

This resource is shared under the Creative Commons Attribution CC BY.

http://creativecommons.org/licenses/by/4.0/
CC-BY

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