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. Purpose 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

8. Objectives 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

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

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

12. Parent Program

13. Web Tool

14. Web Tool

15. Web Tool

16. Web Tool

17. Web Tool

18. Web Tool

19. Test

20. Test

21. Test

22. Test

23. Test

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