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?