1. Bryan Smith Ball State University October 17, 2006 NWA 31 st Annual Meeting SVRGIS: GEOGRAPHIC INFORMATION SYSTEM (GIS) GRAPHICAL DATABASE OF TORNADO, LARGE HAIL, AND DAMAGING WIND REPORTS IN THE UNITED STATES (1950-2005)

2. SVRGIS  Overview  Methodology  Application  Motivation  Develop a methodology  Availability of a GIS severe database  Examine multi- disciplinary relationships Spatial Statistical  Layer format

3. Graphical Databases  SeverePlot ver. 2.0  User-friendly  Simple  SVRGIS  Advanced analysis  Data input

4. Methodology  NCDC’s Storm Data  ascii text files www.spc.noaa.gov/wcm/www.spc.noaa.gov/wcm/  ESRI’s ArcGIS 9  ArcMap & ArcCatalog programs  Imported data tables

5. Methodology  Created personal geodatabases (.mdb) and shapefiles (.shp)  Visual Basic script for tornado tracks  Input miscellaneous data

6. Layering Data  Municipal boundaries  Location features  Storm Reports

7. Layering Data Tornado tracks Interstates Water bodies Cities Counties State

8. Layering Indianapolis tornado data F1 F0 F2 F3 F4

9. Subdivision-scale

10. Application  Graphical and statistical analysis  Data queries (sorting) Location By attributes

11. Attribute Table

12. Supercell Tornado Tracks

13. Spatial Point Density  Hail > 2 in. (1980-2005)  1 km grid and 100 km radius  Layers: State, County, Urban

14. Summary  Complement existing programs  Advanced analysis  Multi-disciplinary Assess vulnerability (i.e. monetary)  Many possible users  Government, research & academia, DHS, private sector

15. Software  ESRI’s ArcGIS 9  Microsoft Office Access  Recommended viewing programs  ArcMap  ArcExplorer (free)  Run on many platforms

16. Acknowledgements  Dr. Kevin Turcotte & Dr. Elizabeth Vaughan Ball State University  John Kwiatkowski, Chad Swain, & Eric Zimmerman NWS Indianapolis

17. Bryan Smith Ball State University October 17, 2006 NWA 31 st Annual Meeting http://www.crh.noaa.gov/ind/?n=svrgis QUESTIONS?