1. Flood Forecast Mapping in AHPS October 28, 2003

2. 10/28/2003MARFC/NWS/NOAA Outline Definition Requirements Processing Tasks –One-time –Routine Test Area Presentation Methods What next?

3. 10/28/2003MARFC/NWS/NOAA Definition Provide areal extent of flooding referenced against well-understood markings (streets, structures, landmarks) for water elevation forecasts At multiple locations along river reach

4. 10/28/2003MARFC/NWS/NOAA Requirements Water Surface Profile –FLDWAV, SHRT, other DEM Data Processing Tools Presentation Methods

5. 10/28/2003MARFC/NWS/NOAA Requirements Water surface profile –NWS FLDWAV Data collection Calibration Verification Routine generation –deterministic –probabilistic

6. 10/28/2003MARFC/NWS/NOAA Requirements Digital Elevation Data –High-resolution most effective Reference Overlays –Orthophoto (geo-referenced images) –USGS Quad Sheets –TIGER Data –Utility Plans

7. 10/28/2003MARFC/NWS/NOAA Requirements Processing Tools –Process static data Create ground grid –Process dynamic data Create water surface grid FLDVIEW –Arcview based

8. 10/28/2003MARFC/NWS/NOAA Test Area

9. 10/28/2003MARFC/NWS/NOAA Test Area

10. 10/28/2003MARFC/NWS/NOAA Test Area

11. 10/28/2003MARFC/NWS/NOAA Test Area

12. 10/28/2003MARFC/NWS/NOAA Processing – Ground Grid

13. 10/28/2003MARFC/NWS/NOAA Processing – Ground Grid

14. 10/28/2003MARFC/NWS/NOAA Processing – Water Surface Grid

15. 10/28/2003MARFC/NWS/NOAA Processing – Water Surface Grid

16. 10/28/2003MARFC/NWS/NOAA Samples (Jan ‘96)

17. 10/28/2003MARFC/NWS/NOAA Samples (Jan ‘96 Zoom)

18. 10/28/2003MARFC/NWS/NOAA Highwater Comparison (‘84)

19. 10/28/2003MARFC/NWS/NOAA Samples (4 layer zoom)

20. 10/28/2003MARFC/NWS/NOAA Presentation Water surface profile Water surface grid –Shapefile Static web images Web-based image generation Policy issues for new product category

21. 10/28/2003MARFC/NWS/NOAA Web-based Image Generation Internet map service User interaction –User selectable layers –Zoom Prototype site: –http://nwshqfld.nws.noaa.gov –Autodesk plug-in required

22. 10/28/2003MARFC/NWS/NOAA Prototype Map Service

23. 10/28/2003MARFC/NWS/NOAA Prototype Map Service

24. 10/28/2003MARFC/NWS/NOAA Prototype Map Service

25. 10/28/2003MARFC/NWS/NOAA Prototype Map Service

26. 10/28/2003MARFC/NWS/NOAA Prototype Map Service

27. 10/28/2003MARFC/NWS/NOAA Prototype Map Service

28. 10/28/2003MARFC/NWS/NOAA Prototype Map Service

29. 10/28/2003MARFC/NWS/NOAA Prototype Map Service

30. 10/28/2003MARFC/NWS/NOAA Status Single location –Lewistown on Juniata River Daily Background processing –After routine operations –Cron initiated –FLDWAV on Linux –FLDVIEW on HP WS

31. 10/28/2003MARFC/NWS/NOAA Stats Space Requirements –On AWIPS, Lewistown - ~1 GB –On FLDIMS - ??? FLDWAV performance - Linux –Deterministic, entire Susq. – few seconds –Probabilistic, 7 day PQPF – 35+ seconds –Probabilistic, 30 day - ~ 3 minutes

32. 10/28/2003MARFC/NWS/NOAA Stats (cont’d) FLDVIEW performance – HP WS –Fully automated –7+ minutes deterministic (one layer) –35+ minutes, 5 layer probabilistic (5 layers) FLDVIEW performance – P3, 1 GHz, 512 MB –~1’ 10” per layer

33. 10/28/2003MARFC/NWS/NOAA Stats (cont’d) Automated process –Within Linux scripts OFS, PQPF, ESPADP, FLDVIEW, FTP –MARFC-developed queuing system –MARFC-developed auto-X-Display –Expect-based FTP transfer of modified shapefiles

34. 10/28/2003MARFC/NWS/NOAA What next? Sequencing –From peak value to 6 hour values –Animation? New location –Coding and structure changes –Other Susq. FLDWAV calibrated reach OHD prepared –Resources and methodology for entirely new location Data, software, code, training, documentation In-house vs. AHPS funded

35. 10/28/2003MARFC/NWS/NOAA What next? (cont’d) Simplified Hydraulic Routing Technique (SHRT) –Mapping for locations without backwater, without junctions NWS Policy –Products Water surface profiles, shapefiles, images, internet mapping services Official communications methods PC-based FLDVIEW execution –Currently coded for either HP-UX or PC

36. 10/28/2003MARFC/NWS/NOAA What next? (cont’d) Internet map service selection User feedback –Design –Performance –User-friendliness

37. The End