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Towards Better Utilization of NEXRAD Data in Hydrology

Towards Better Utilization of NEXRAD Data in Hydrology. Anton Kruger, University of Iowa AGU Fall Meeting San Francisco, December 11, 2006. UCAR/Unidata. National Climatic Data Center. The University of Iowa. Princeton University. The University of Iowa (Lead) W.F. Krajewski (PI)

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Towards Better Utilization of NEXRAD Data in Hydrology

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  1. Towards Better Utilization of NEXRAD Data in Hydrology Anton Kruger, University of IowaAGU Fall MeetingSan Francisco, December 11, 2006 UCAR/Unidata National Climatic Data Center The University of Iowa Princeton University

  2. The University of Iowa (Lead) W.F. Krajewski (PI) A.A. Bradley, A. Kruger, R.E. Lawrence, R. Goska, B. Seo, C Gunyon Princeton University J.A. Smith (PI) M. Steiner, M.L.Baeck National Climatic Data Center S.A. Delgreco (PI) UCAR/Unidata Program Center M. K. Ramamurthy (PI) W.J. Weber Project Participants

  3. Project Goal …to provide the science community with ready access to the vast archives and real-time information collected by the national network of NEXRAD radars. The main focus is on radar-rainfall data for use in hydrology, hydrometeorology, and water resources.

  4. UI UI Data Archive Web Services (SOAP) Metadata Archive Program Library Metadata Archive User/Client’s View “Find all the 2002 storms over the Ralston Creek watershedwith mean arealprecipitation greater than X mm, and with a spatial extent of more than Z km2, with a duration of less than N hours. I want the data in GeoTIFF” Connect and query “Find all the 2002 storms over the Ralston Creek watershed with mean arealprecipitation greater than X mm, and with a spatial extent of more than Z km2, with a duration of less than N hours. I want the data in GeoTIFF” User/Client Get URIs Get data HTTP

  5. Interface Overview

  6. Interface Overview

  7. Interface Overview

  8. Map Layers

  9. Map Layers

  10. Domain Selection

  11. Drill Down

  12. Drill Down

  13. Drill Down

  14. Grids

  15. Grids

  16. Mark & Select Basin

  17. Mark & Select Basin

  18. Which Radar?

  19. Which Radar?

  20. Which Radar?

  21. Select Output Grid

  22. Select Date

  23. Color-coded with metadata Browse Metadata

  24. Query Metadata

  25. Query Metadata

  26. Product Selection

  27. Product Selection

  28. Rainfall Estimation Algorithms

  29. Output Format

  30. Ready To Go

  31. Ready To Go You Will Be Sent an e-mail When Job Is Done

  32. Check On Job Status

  33. CUAHSI HIS Data Archive Compute Engine Metadata Archive NCDC Data Archive Unidata Injects NEXRAD Data Metadata Archive Internet Request Request University A University B Extreme Events Runoff Model

  34. Some Statistics • Total size of radar data: 130 TB • 8,492,580 files • Mosaics 34559 • Metadata Rows in Database:4,319,990 • Radars: 33 • Radar-years: 84: • For KMLB: 2 years • KTLX: 9 years • KDVN: 6 years • KVTX: 2 years

  35. Thank You A Comprehensive Framework for Use of NEXRAD Data in Hydrometeorology and Hydrology NSF Sponsored, Award ATM 0427422

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