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Flood Map Modernization

This document outlines the objectives and process of the Flood Map Modernization project in Region 3. It also highlights the role of West Virginia communities and counties in the project, as well as the availability of the National Flood Hazard Layer (NFHL) and its associated products and services.

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Flood Map Modernization

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  1. Flood Map Modernization June 11, 2008

  2. Region 3 Map Mod - Objectives • Obtain Best Available Data • Develop Partnerships for Production that Enhance Capability (local, state, fed) • Balance risks to maximize population and land area coverage • Reduce processing time and costs for map updating

  3. Preparing for FY09 & Beyond – 4 Primary Concepts • Finish DFIRM Coverage for all Communities • Address engineering needs – primary focus on levees and coastal • Maintain the modernized products from Map Mod & Process LOMCs • Integrate Flood Risk Data with Mitigation Planning and Flood Risk Communication

  4. Role of WV Communities & Counties in Due Process Pre- scoping Case Initiation Scoping Prelim Prep Final Meeting BFE Appeal LFD Reval Effective • Pre-scoping- Completed by Study Contractors and FEMA to prioritize projects based on population and risk. • Case Initiation- Communities/Counties may offer base map information in response to letter requesting data. • Scoping- Communities/Counties may provide input to influence project direction. • PreliminaryRelease- Communities/Counties receive and review FIS and DFIRM. May conduct outreach to residents, especially those impacted by revision. • FinalMeeting- Communities/Counties provide location for meeting and comment on Preliminary FIS and DFIRM. • BFE- Notices of BFE change and appeal period are directed to communities and copied to counties so that they may assist communities with necessary follow-up.

  5. Role of WV Communities & Counties in Due Process Pre- scoping • Appeal- Communities with appeal period collect comments and appeals from stakeholders and forward to FEMA with their opinion on how requests should be addressed. Counties could support communities in this effort. • LFD- Receive notice that FIS and DFIRM are finalized and that communities must adopt revised ordinance to maintain NFIP participation. Counties could assist communities with ordinance adoption. • RevalidationLetter- Counties receive copies of the letter to communities letting them know which Letters of Map Changes are revalidated with this update. • Effective- Counties receive a copy of the new FIS and DFIRM. Counties could assist communities with ordinance adoption and using the new information in GIS. Case Initiation Scoping Prelim Prep Final Meeting BFE Appeal LFD Reval Effective

  6. National Flood Hazard Layer (NFHL) NFHL Available Products • New version of “Mapviewer-Web” • Uses the new NFHL database • New reporting and printing capabilities • Web Map Service (WMS) • New “NFHL” service with improved map symbology • Refresh the “flood” service to use the new NFHL database • New or refreshed Google Earth “kmz” files that use the new “NFHL” WMS

  7. National Flood Hazard Layer (NFHL) As of April 13, 2008 the New NFHL database contains DFIRM databases and subsequent changes from LOMRs Before (no LOMRs) After (with LOMRs) (Las Vegas, NV)

  8. Region 3 Map Mod – Products Now that we have all this great effective digital data where is it available? • The Map Service Center (MSC) 1-877-FEMA-MAP http://msc.fema.gov • The Mapping Information Platform (MIP) https://hazards.fema.gov

  9. Web Map Services and Google Earth • Deployed new “NFHL” WMS with new (red) symbology scheme. • Deployed new “Stay Dry” (easy) kmz file for use with Google Earth • Refreshed the “FEMA NFHL” kmz file to use the “NFHL” WMS. (Lewes, DE) “NFHL” WMS image displayed in Google Earth

  10. Web Map Services and Google Earth

  11. Web Map Services and Google Earth

  12. Mapviewer-Web: Improved Reporting • New “e-z Identify” capability • One-click access to the attribute information most commonly needed to do business with FEMA.

  13. Mapviewer-Web: Improved Reporting • New “e-z Print” capability • Quick access to a map and related attribute information most commonly needed to do business with FEMA.

  14. NFHL: What’s Next? • Near-term • Continued inspection of the new NFHL database. • Completion of user documentation. • Generation of NFHL GIS data sets for release through the MSC. • Longer-term: • Possibly by June, viewing of point locations for LOMAs through Mapviewer-Web, including hyperlinks to determination documents served by the MSC (when available).

  15. www.mapwv.gov/flood

  16. Region 3 Map Mod Contact Information: FEMA Region III One Independence Mall, 6th Floor 615 Chestnut Street Philadelphia, PA 19106 Vanessa Glynn-Linaris Mitigation Division, Risk Analysis Branch GIS Specialist & HAZUS POC (P)215-931-5723 (F)215-931-5501 Vanessa.Glynn-Linaris@dhs.gov

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