The West Virginia Flood Hazard The West Virginia Flood Hazard Determination Tool: History and Determination Tool: History and

ProgressProgress

WV GIS Technical CenterWest Virginia University

Eric Hopkins, Lead GIS SpecialistEvan Fedorko, GIS Specialist

WVAGP Statewide GIS Conference

June 9, 2010

WV Flood Hazard Determination ToolWV Flood Hazard Determination Tool

http://www.MapWV/gov/flood

WV Flood Hazard Determination ToolWV Flood Hazard Determination Tool

WV Flood Hazard Determination ToolWV Flood Hazard Determination Tool

WV Flood Hazard Determination ToolWV Flood Hazard Determination Tool

WV Flood Hazard Determination ToolWV Flood Hazard Determination Tool

WV Flood Hazard Determination ToolWV Flood Hazard Determination Tool

WV Flood Hazard Determination ToolWV Flood Hazard Determination Tool

WV Flood Hazard Determination ToolWV Flood Hazard Determination Tool

WV Flood Hazard Determination ToolWV Flood Hazard Determination Tool

•Future PlansFuture Plans•Flood depth / flood surface elevationFlood depth / flood surface elevation

•Migration to ArcGIS ServerMigration to ArcGIS Server

•Continued incorporation of new Continued incorporation of new DFIRM dataDFIRM data

Future ToolFuture Tool EnhancementsEnhancements

Limitations of ScaleLimitations of Scale

► FEMA DFIRMs moving towards an entirely FEMA DFIRMs moving towards an entirely digital productdigital product

► Where do we draw the line with digital data?Where do we draw the line with digital data?► FEMA traditional guidelines (min. floodplain FEMA traditional guidelines (min. floodplain

width) vs. digital mapping capabilities (detail)width) vs. digital mapping capabilities (detail)► What should be considered as significant What should be considered as significant

flooding?flooding?► Terrain considerationsTerrain considerations► Velocity and depth considerationsVelocity and depth considerations

WV Disaster Recovery MappingWV Disaster Recovery Mapping

► Enhanced Zone A Enhanced Zone A FP development for FP development for streams >1 sq milestreams >1 sq mile

► Revised effective Revised effective Zone A FPsZone A FPs

► Six WV CountiesSix WV Counties► 1700 steam miles1700 steam miles► Potential Future Potential Future

CountiesCounties Fayette, Greenbrier, Fayette, Greenbrier,

Mercer, Raleigh, Mercer, Raleigh, KanawhaKanawha

WV Disaster Recovery MappingWV Disaster Recovery Mapping

WV Flood Hazard Determination ToolWV Flood Hazard Determination Tool

AcknowledgementsAcknowledgements

West Virginia NFIP Coordinator Robert PerryWest Virginia NFIP Coordinator Robert Perry

Jon Janowicz, Bob Pierson, Nicole Lick, FEMA Jon Janowicz, Bob Pierson, Nicole Lick, FEMA Region IIIRegion III

Tucker Clevenger, Matt Breen, AMEC Earth Tucker Clevenger, Matt Breen, AMEC Earth & Environmental& Environmental

Questions?Questions?

Eric HopkinsEric Hopkins

WV GIS Technical CenterWV GIS Technical Center

West Virginia UniversityWest Virginia University

330 Brooks Hall, PO Box 6300330 Brooks Hall, PO Box 6300

Morgantown, WV 26506-6300Morgantown, WV 26506-6300

Eric.Hopkins@mail.wvu.eduEric.Hopkins@mail.wvu.edu

Evan FedorkoEvan Fedorko

WV GIS Technical CenterWV GIS Technical Center

West Virginia UniversityWest Virginia University

330 Brooks Hall, PO Box 6300330 Brooks Hall, PO Box 6300

Morgantown, WV 26506-6300Morgantown, WV 26506-6300

Evan.Fedorko@mail.wvu.eduEvan.Fedorko@mail.wvu.edu