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Bryan SmithBryan SmithBall State UniversityBall State University
October 17, 2006 NWA 31st Annual Meeting
SVRGIS:GEOGRAPHIC INFORMATION SYSTEM (GIS) GRAPHICAL DATABASE OF TORNADO, LARGE HAIL, AND DAMAGING WIND REPORTS IN THE UNITED STATES (1950-2005)
SVRGIS
Overview
Methodology
Application
Motivation
Develop a methodology
Availability of a GIS severe database
Examine multi-disciplinary relationships
• Spatial• Statistical
Layer format
Graphical Databases
SeverePlot ver. 2.0
User-friendly
Simple
SVRGIS
Advanced analysis
Data input
Methodology
NCDC’s Storm Data
ascii text files www.spc.noaa.gov/wcm/
ESRI’s ArcGIS 9
ArcMap & ArcCatalog programs
Imported data tables
Methodology
Created personal geodatabases (.mdb) and shapefiles (.shp)
Visual Basic script for tornado tracks
Input miscellaneous data
Layering Data
Municipal boundaries
Location features
Storm Reports
Layering Data
Tornado tracks
Interstates
Water bodies
Cities
Counties
State
Layering Indianapolis tornado data
F1
F0
F2
F3
F4
Subdivision-scale
Application
Graphical and statistical analysis
Data queries (sorting)
• Location
• By attributes
Attribute Table
Supercell Tornado Tracks
Spatial Point Density
Hail > 2 in. (1980-2005)
1 km grid and 100 km radius
Layers: State, County, Urban
Summary
Complement existing programs
Advanced analysis
Multi-disciplinary
• Assess vulnerability (i.e. monetary)
Many possible users
Government, research & academia, DHS, private sector
Software
ESRI’s ArcGIS 9
Microsoft Office Access
Recommended viewing programs
ArcMap
ArcExplorer (free)
Run on many platforms
Acknowledgements
Dr. Kevin Turcotte & Dr. Elizabeth Vaughan
Ball State University
John Kwiatkowski, Chad Swain, & Eric Zimmerman
NWS Indianapolis
Bryan SmithBryan SmithBall State UniversityBall State University
October 17, 2006 NWA 31st Annual Meeting
http://www.crh.noaa.gov/ind/?n=svrgis
QUESTIONS?