Real Time Forecasting Application in Contraband Bayou Jeanne - PowerPoint PPT Presentation

Calcasieu Parish Regional Watershed Planning Real Time Forecasting Application in Contraband Bayou Jeanne Arceneaux Hornsby, M.S., P.E. Engineering Director C.H. Fenstermaker & Assoc., L.L.C. April 3, 2019

Key Staff and Contributing Sponsors Butch Babineaux, P .E. Jeanne Hornsby, M.S., P .E. Francesca Messina, Ph.D. Callie Benton, P .E. Ehab Meselhe, Ph.D., P .E. Project Manager Principal H&H Modeling Deputy Project Manager H&H Modeling Keith DuRousseau

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What can a Real Time Forecasting System do? • Provide an opportunity to learn about potential flooding risks • Move people to safety and away from risk prone areas • Establish communications with emergency response teams and community • Reduce damage costs by removing valuables, vehicles, etc.

How Does A RTF System Work? Numerical model(s) Data Import Model output Observed data and HEC-RAS Maps and Timeseries HEC-HMS Large scale forecasts Other Delft-FEWS platform Delft-FEWS platform

Forecasting Period Now (Real-time Data) Past Future Flood Elevation Time Hindcast Period Forecast Period (7 Days) (7 Days)

Data Import

CPPJ Stage and Precipitation Gauges 82 40 122 Set for TOTAL GAUGES Operating Installation IN NETWORK

CPPJ Stage and Precipitation Gauges

USGS Stage Gauges

Global Forecast System (GFS) Data Gridded Rainfall

Lower MS River Real Time Forecasting System Gridded Rainfall

Northern Gulf of Mexico Operational Forecast System – Coastal Influences

Numerical Models

Numerical Models HEC-HMS sub-basins HEC-RAS rivers HEC-RAS cross sections HEC-RAS storage area CPPJ gauges

Real Time Forecasting Results

Real Time Forecasting Results Forecast Hindcast

Real Time Forecasting Results - Thresholds Hindcast

Real Time Forecasting Results - Animations

Real Time Forecasting Results – Static Maps

Real Time Forecasting Results – Fly Throughs Hindcasted Event – May 2016 https://youtu.be/D1lgOsQCULg

Live Stream Utilization and Functionality

Utilization • System has been setup as a Client/Server Setup. • Multiple people can login to the Server • Parish Staff have been trained on how to Utilize the System • Model has been setup to run once every hour

Utilization • Better Understand the System and how it reacts to certain events • Find areas where to focus model refinement and future calibration • Easily identify gauging issues • Work with Office of Emergency Preparedness during Storm Response

Functionality • Automatic emails will be sent if: • one of the tasks fails • data (from CPPJ gauges) or RAS modeled water level exceed one of the alert thresholds

CURRENT AND FUTURE STEPS • Setup on the Client Server • CPPJ is utilizing the models to better understand their system • Utilize in major events • Engineers are identifying where model refinement/calibration should occur • Upgrade to a 2D model • Extend to other watersheds

Calcasieu Parish Regional Watershed Planning Jeanne Arceneaux Hornsby, M.S., P.E. Engineering Director C.H. Fenstermaker & Assoc., L.L.C. jeanne@fenstermaker.com 337-237-2200

Real Time Forecasting Application in Contraband Bayou Jeanne - PowerPoint PPT Presentation

Calcasieu Parish Regional Watershed Planning Real Time Forecasting Application in Contraband Bayou Jeanne Arceneaux Hornsby, M.S., P.E. Engineering Director C.H. Fenstermaker & Assoc., L.L.C. April 3, 2019 Key Staff and Contributing

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