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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)
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SVRGIS Overview Methodology Application Motivation Develop a methodology Availability of a GIS severe database Examine multi- disciplinary relationships Spatial Statistical Layer format
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Graphical Databases SeverePlot ver. 2.0 User-friendly Simple SVRGIS Advanced analysis Data input
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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
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Methodology Created personal geodatabases (.mdb) and shapefiles (.shp) Visual Basic script for tornado tracks Input miscellaneous data
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Layering Data Municipal boundaries Location features Storm Reports
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Layering Data Tornado tracks Interstates Water bodies Cities Counties State
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Layering Indianapolis tornado data F1 F0 F2 F3 F4
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Subdivision-scale
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Application Graphical and statistical analysis Data queries (sorting) Location By attributes
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Attribute Table
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Supercell Tornado Tracks
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Spatial Point Density Hail > 2 in. (1980-2005) 1 km grid and 100 km radius Layers: State, County, Urban
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Summary Complement existing programs Advanced analysis Multi-disciplinary Assess vulnerability (i.e. monetary) Many possible users Government, research & academia, DHS, private sector
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Software ESRI’s ArcGIS 9 Microsoft Office Access Recommended viewing programs ArcMap ArcExplorer (free) Run on many platforms
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Acknowledgements Dr. Kevin Turcotte & Dr. Elizabeth Vaughan Ball State University John Kwiatkowski, Chad Swain, & Eric Zimmerman NWS Indianapolis
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Bryan Smith Ball State University October 17, 2006 NWA 31 st Annual Meeting http://www.crh.noaa.gov/ind/?n=svrgis QUESTIONS?
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