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Ataul Hannan, P.E., CFM Harris County Flood Control District

Real Time Flood Event Modeling Program. Ataul Hannan, P.E., CFM Harris County Flood Control District. National Flood Workshop Houston, TX, October 24-26, 2010. Harris County. Elevation Contour. Our Soaked History. Tropical Storm Allison. Floodplain Map.

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Ataul Hannan, P.E., CFM Harris County Flood Control District

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  1. Real Time Flood Event Modeling Program Ataul Hannan, P.E., CFM Harris County Flood Control District National Flood Workshop Houston, TX, October 24-26, 2010

  2. Harris County

  3. Elevation Contour

  4. Our Soaked History

  5. Tropical Storm Allison

  6. Floodplain Map

  7. To create a planning and information resource for: Better understanding the ability of current models to reflect observed flooding conditions Providing real-time and post-event evaluations of the effectiveness of county flood management facilities Supporting existing Flood ALERT efforts staffed by HCFCD personnel Purpose

  8. Web-based intranet tool Utilize existing HEC-HMS and HEC-RAS models developed for Harris County Link programs together to ingest rainfall and produce a real-time flood inundation map Objectives

  9. Pilot Study • Buffalo Bayou and White Oak Bayou Watersheds (unsteady flow network)

  10. Timing Aspects Rainfall Data = 15 minutes (continuous feed) Computation Time = 11 to 14 minutes Antecedant Rainfall = 10 days FEMP External Processing Natural Link Link 1 Link 2 Link 3

  11. Parent Program

  12. Web Tool

  13. Web Tool

  14. Web Tool

  15. Web Tool

  16. Web Tool

  17. Web Tool

  18. Test

  19. Test

  20. Test

  21. Test

  22. Test

  23. QUESTIONS???? Reduce the risk and rediscover the beauty

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