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  • NFIP Actuarial Rate Review

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    An annual review of the National Flood Insurance Program (NFIP) underwriting experience, with accompanying Program revisions, is an integral part of maintaining the Program’s goal of a fiscally sound rating and coverage structure. The purpose of this document is to share the results of the latest actuarial review of the rating structure in the context of the history and goals of the Program.
  • Environmental Assessment for St. Vincent De Paul Elementary School

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    As a result of this storm two of the Catholic Diocese of Biloxi’s (Diocese) elementary schools in Pass Christian, Harrison County, Mississippi were rendered unusable. The Diocese has applied to the Federal Emergency Management Agency (FEMA) for Public Assistance 406 funding under the Robert T. Stafford Relief and Emergency Assistance Act to help rebuild these schools.
  • Scenario for a Catastrophic Earthquake on the Newport-Inglewood Fault

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    Emergency planners use HAZUS-MH to provide realistic catastrophic planning exercises. Over the last several years, FEMA has supported the development of a suite of "priority maps" to support our Federal Response Plan (FRP) partners in preparing for, and responding and recovering from a catastrophic earthquake. A suite of ten priority maps that illustrate the region of strong ground shaking, direct and induced damage, as well as estimated social impacts were developed to provide information for FRP partners within a few hours of an earthquake event. By using the priority maps in regular planning exercises, the FRP partners will become familiar with the map information produced within a few hours of a damaging earthquake.
  • EHP Guidance Document (Greenbook) for Oregon (1672-DR-OR)

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    This document provides general guidance to assist in the environmental and historic preservation review of FEMA-funded actions or undertakings in Oregon following severe storms, flooding, and slides (DR-1672-OR).
  • Example Alluvial Fan Flooding Maps

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    These maps, showing examples alluvial fan flooding, were prepared by the Federal Emergency Management Agency (FEMA) in conjuncation with the issuance of the FEMA guidance document titled "Guidelines for Determining Flood Hazards on Alluvial Fans." That document addresses recommendations in a report by the National Research Council (NRC) Committee on Alluvial Fan Flooding and provides guidance for the identification and mapping of flood hazards occurring on alluvial fans. That guidance document was superseded by the issuance of FEMA's "Guidelines and Specifications for Flood Hazard Mapping Partners" in February 2002.
  • USACE Assessment of Structural Flood-Control Measures on Alluvial Fans

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    This report, prepared by the U.S. Army Corps of Engineers (USACE) Hydrologic Engineering Center (HEC) for the Federal Emergency Management Agency (FEMA), documents the HEC's assessment of structural flood-control measures on alluvial fans.
  • NFIP Actuarial Rate Review

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    An annual review of the National Flood Insurance Program (NFIP) underwriting experience, with accompanying Program revisions, is an integral part of maintaining the Program’s goal of a fiscally sound rating and coverage structure. The purpose of this document is to share the results of the latest actuarial review of the rating structure in the context of the history and goals of the Program.
  • Ephesus Baptist Church Housing Site in Jefferson Parish, Louisiana (December 2005)

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    As required by the National Environmental Policy Act and its implementing regulations, FEMA prepared an Environmental Assessment and FONSI to consider the environmental impacts of a proposed project to provide emergency temporary housing for residents displaced by Hurricanes Katrina and Rita.
  • Standard Digital Flood Insurance Rate Map (DFIRM) Database Guidelines and Specifications

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    A Standard Digital Flood Insurance Rate Map (DFIRM) Database has been designed to facilitate DFIRM production. The new FEMA GIS databases will store the digital data used in the map production process, as well as the backup engineering data for the floodplain studies. These databases will provide a standard, systematic method for FEMA to distribute comprehensive details of its flood studies to the public in a digital format. Storing and distributing these data in digital format has significant advantages for ease of storage, records search, and distribution. The FEMA database can be used for automated analysis and map updates that are not possible with the current paper products. These Guidelines and Specifications were subsequently included in and superseded by Guidelines and Specifications for Flood Hazard Mapping Partners in February 2002.
  • Guidelines for Determining Flood Flow Frequency, Bulletin 17B

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    This guide describes the data and procedures for computing flood flow frequency curves where systematic stream gaging records of sufficient length (at least 10 years) to warrant statistical analysis as a basis for determination.
  • Coastal Erosion Hazards Report Full Report

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    Independent report recommending that FEMA be authorized to develop maps identifying coastal erosion hazard areas and include the cost of expected erosion losses when settling flood insurance rates for coastal areas, and presenting possible federal policy options.
  • Guidelines and Specifications for Wave Elevation Determination and V Zone Mapping

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    The Federal Emergency Management Agency compiled these Guidelines to specify technical policies and procedures to be employed in the preparation of coastal Flood Insurance Studies (FISs) and restudies. These Guidelines provided unified instructions on the application of the methodologies used to determine the coastal flooding elevation hazards set forth in the FIS, and on the delineation of the flood elevations and hazards on the Flood Insurance Rate Map. The present Guidelines were not applicable to studies on Great Lakes coasts because different analysis procedures and computer models are applied there. These Guidelines were subsequently included in and superseded by Guidelines and Specifications for Flood Hazard Mapping Partners in February 2002.
  • Guide for Preparing the Technical Support Data Notebook

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    Engineering Study Data Package (ESDP) Guidelines and Specifications for Study Contractors.
  • LaBove Property Temporary Housing Site in Cameron Parish, Louisiana (December 2005)

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    As required by the National Environmental Policy Act and its implementing regulations, FEMA prepared an Environmental Assessment and FONSI to consider the environmental impacts of a proposed project to provide emergency temporary housing for residents displaced by Hurricane Rita.
  • National Weather Service's FLDWAV Computer Program

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    The FLDWAV program, developed by the National Weather Service (NWS), is a generalized flood routing program with the capability to model floodflows through a single stream or a system of interconnected waterways.
  • Alvin Perret Mobile Homes Emergency Temporary Group Site in St. John the Baptist Parish, Louisiana (November 2005)

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    As required by the National Environmental Policy Act and its implementing regulations, FEMA prepared an Environmental Assessment and FONSI to consider the environmental impacts of a proposed project to provide emergency temporary housing for residents displaced by Hurricanes Katrina and Rita.
  • Guidelines and Specifications for Flood Map Production Coordination Contractors

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    These Guidelines define the technical requirements, coordination and documentation activities, and product specifications for Flood Map Production Coordination Contractor functions in support of FEMA and the National Flood Insurance Program.
  • Floodway Analysis for SWMM Models

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    This document explains the procedures to follow in performing a floodway analysis in the U.S. Environmental Protection Agency's SWMM model.
  • Captain Larry's Emergency Temporary Group Site in Plaquemines Parish, Louisiana (November 2005)

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    As required by the National Environmental Policy Act and its implementing regulations, FEMA prepared an Environmental Assessment and FONSI to consider the environmental impacts of a proposed project to provide emergency temporary housing for residents displaced by Hurricanes Katrina and Rita.
  • Appendix 4B: Airborne Light Detection and Ranging (LIDAR) Systems

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    This Appendix presents the guidelines and specifications that were to be used for the application of Airborne LIght Detection And Ranging (LIDAR) systems for gathering the data necessary to create digital elevation models (DEMs) for hydraulic modeling of floodplains, digital terrain maps, and other National Flood Insurance Program (NFIP) products. LIDAR systems may not be able to gather all of the data necessary to create those products. This document was superseded by Guidelines and Specifications for Flood Hazard Mapping Partners in February 2002.

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