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Published byAudrey Waters Modified over 9 years ago
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Mid-Course Adjustment Overview
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Flood Map Modernization The Question “The committee understands that the 5-year, $1,000,000,000 program will not update all flood maps; some maps will merely be converted to a digital format. The Committee is concerned that this program was originally portrayed as a means to update all of the Nation’s flood maps. Because this is not the case, the Committee directs EP&R to provide a report, no later than January 16, 2006, on the percentage of maps that will be updated, not merely transferred to a digital format, and the percentage of population that the updated maps cover.”
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Flood Map Modernization 2006 Congressional Report Delivered to Congress February 2006 Describes the Status of Map Modernization as of Sept 30, 2005 Describes Mid-Course Adjustment
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Flood Map Modernization 2006 Mid-Course Adjustment Report Detailed description of Mid-Course Adjustment Report Provides supporting documentation for the Congressional report
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Flood Map Modernization Background Rationale for Review and Adjustment: Midpoint review appropriate on large initiative Introduction of floodplain boundary standard Stakeholder request for additional engineering
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Flood Map Modernization Background Rationale for Review and Adjustment: Lessons learned from State business plans and recent disasters Updates will occur on a sub-county basis prioritized by risk The goal of mapping the Nation remains, but is delayed
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Flood Map Modernization “New” Metrics
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Flood Map Modernization Benefits Provide more detail in high risk flood prone areas Action is responsive to: Congress (quality vs. quantity) Stated Map Coalition positions Needs as identified through State business planning process
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Flood Map Modernization Potential Implications 90% of census block groups at risk would receive digital flood boundaries Low risk areas may not receive digital flood boundaries This delays achieving the goal of creating a nationwide digital flood layer and requires additional resources beyond NFIP fees after 2008 Requires combining new digital data with existing products Requires re-sequencing of projects “Validation” becomes the process to document what “needs” a new study – e.g., scoping tool, become data justifying funding beyond 2008
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Flood Map Modernization Current Risk / Funding Calculations For FY05 Ten County-based variables: Population Housing Units All claims Rep Loss Claims Rep Loss Properties Policies Total 100K NHD length Predicted population growth to 2015 Cost limiting factor Flood disasters
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Flood Map Modernization Refinement of Analysis 210,808 Block groups were analyzed Higher geographic resolution than counties and census tracts while more manageable than blocks Allows the separation of very low risk areas within a county from higher risk areas
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Flood Map Modernization Risk Parameters for Block Groups Population density (Census block group data) Housing unit density (Census block group data) Claims density (From FIA Claims dataset) Repetitive losses claims density (From FIA Claims dataset) Repetitive loss properties density (From FIA Claims dataset) Policies density (From county distribution) Disasters (From county distribution) Population Growth from 1990-2000 8 Parameters for Block Group Risk
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Flood Map Modernization Area and Population Targets
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Flood Map Modernization FBMS and Validation Targets
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Flood Map Modernization Lowest 10% Risk Areas
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Flood Map Modernization 330 Counties with all Block Groups of 90%–100% Risk
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Flood Map Modernization National Tasks Policy Papers (What to do with Decile 10 areas, If FY03-FY05 boundaries change, when is a new appeals period needed …) Validation Blending areas within Decile 10 Appeals Notice – If boundary changes but no BFE or BFE stays the same Many Others …. Standards / procedures for tracking progress Potential tool enhancement Modification of the Spring / Summer 2006 Multi-Year Flood Hazard Identification Plan (MHIP) National Communications Plan Implementation of Mid-Course Adjustment – National Tasks
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Flood Map Modernization Continental area of the Country with digital maps Population of the Nation Miles of study in FEMA’s Inventory Miles that conform to FPBS Miles that are new / updated / validated End State National Goals
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Flood Map Modernization MHIP: How is the flood map update sequencing determined? High-Level Sequencing Process: HQ Provides Funding Distribution, Other Guidance to Regions HQ Reviews Sequencing Changes Finalize MHIP Regions Update Sequencing
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Flood Map Modernization How is the flood map update sequencing determined? Regional process: Review prior sequencing Review State business plans and other input Review comments on Region-specific sequencing Update sequencing for Region
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Flood Map Modernization MHIP includes revised actual completions and projections for Map Mod Key Performance Indicators; reflecting updated flood map update sequencing from State/Regional business planning efforts The MHIP supports FEMA’s performance goal: Improve safety of the Nation’s population through availability of accurate flood risk data in GIS format FY04FY05FY06FY07FY08FY09 TargetActualTargetProj.TargetProjTargetProj.TargetProj.TargetProj. Population with Digital GIS Flood Data Available Online 20%17%50%40%65%68%75%82%85%93%97%99% Population with Effective Maps that Meet Quality Standards 10%8%20%17%35%40%50%68%70%81%90%93% FY05-FY09 MHIP (V 1.5) Scope
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Flood Map Modernization Upcoming: Release on FEMA Web Site Planned www.fema.gov/plan/prevent/fhm/mh_main.shtm
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Flood Map Modernization Mid-Course Adjustment Summary Regions appear to have adequate funds to allow for implementation Changes are likely required for FY06 Re-work for 03-05 studies likely The goal of mapping the Nation remains, but is delayed
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Flood Map Modernization Mapping Status Tools Letter of Final Determination list Appendix A of the MHIP v2.0
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