Flood Hazard Mapping

Issue No. 1

  • New Mailing Lists
  • Updated Numerical Models
  • Expiration Date for MT Forms Extended

Issue No. 2

  • Proposed Rule for Future Conditions Hydrology Published
  • New HEC-RAS Use Policy
  • Congaree River Appeal Resolution
  • Guidance Regarding the Recent Changes to Part 65 of the NFIP Regulations
  • Flood Protection Restored for Parts of Five Communities in California

Issue No. 3

  • MT Forms Expiration Date
  • Forms, Documents, and Software Main Page

Issue No. 4

  • Using GIS, DFIRM, and Other Data for Sample Community Applications
  • Map Modernization Progress Report for 2000-2001
  • Guidance for Scoping Flood Mapping Projects
  • Update on Congaree River Flood Hazard Mapping Restudy
  • Standard DFIRM Database Information Updates
  • Coalition Details
  • RASPLOT
  • Updated RASPLOT and cHECk-RAS Guidance

Issue No. 5

  • Huntington Beach, California, Floodplain Reduced
  • Draft Comprehensive Guidelines and Specifications for Flood Hazard Mapping Partners
  • FEMA Receives Outstanding Civil Engineering Achievement Award for Illinois DFIRM Project
  • List of Numerical Models Accepted by FEMA for NFIP Usage Recently Updated
  • Supporting Technical Documentation for Acceptable Models Now Available for FLDWAV, MIKE21, and SWMM
  • Latest Compendium of Flood Map Changes
  • MT Forms Expiration Date Extended
  • Standard Flood Hazard Determination Form Extension Sought

Issue No. 6

  • Flood Protection Restored for Los Angeles River; LOMRs Issued for 12 Communities in California
  • Final Rule for Future-Conditions Hydrology Published
  • Coastal Tutorial Featuring CHAMP
  • Automated Hydraulics and Hydrology
  • Mitigation Resources for Success CD (FEMA 372)

Issue No. 7

  • Huntington Beach Floodplain Reduced by Santa Ana River Mainstem Project
  • Coastal Hazard Analysis Modeling Program, Version 1.1
  • Mapping Needs Update Support System State Profiles
  • Los Angeles River Map Revision Information
  • Updated Listing of Numerical Models Accepted by FEMA for National Flood Insurance Program (NFIP) Usage
  • Supporting Technical Documentation for Acceptable Models
  • MT Forms

Issue No. 8

  • Guidelines and Specifications for Flood Hazard Mapping Partners
  • Woodland and Yolo County, California, Maps Revised as a Result of Cache Creek Restudy
  • MT Forms

Issue No. 9

  • Enhanced DFIRM Database
  • MT-EZ Forms
  • Site Redesign

Issue No. 10

  • Iberia Parish, Louisiana, Map Revision
  • New Fee Schedule Effective in September
  • Site Redesign

Issue No. 11

  • FHM Website Wins Golden Web Award from the I.A.W.M.D.
  • Floodplain Modeling Manual: HEC-RAS Procedures for HEC-2 Modelers
  • Flood Hazard Mapping Web Site Receives AAWM Gold Award
  • Standard DFIRM Database Specifications Updated
  • Updated MT-1 and MT-2 Forms
  • Accepted Numerical Models List for NFIP Usage
  • Coastal Flood Hazard Technical Resources Page
  • Windows version of the National Flood Frequency Program

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cHECk-RAS

Issue No. 1

  • Why should I know how to use cHECk-RAS?

Issue No. 2

  • Discussion of Manning's "n" and contraction/expansion coefficients

Issue No. 3

  • Water-surface elevation of lower discharge is higher than the water-surface elevation of higher discharge

Issue No. 4

  • Computation of encroachment stations at structures

Issue No. 5

  • Determining abutment stations of a bridge where the low chord line may cross the ground line

Issue No. 6

  • Relationship among the Abutment Stations, Ineffective Flow Stations, and Encroachment stations at a Bridge

Issue No. 7

  • Continuation of October 2001 Topic

Issue No. 8

  • Negative Surcharge and the Selection of the Bridge Modeling Approach

Issue No. 9

  • Encroachment stations are not computed at a structure with weir flow

Issue No. 10

  • Computing encroachment stations at a structure with weir flow

Issue No. 11

  • Encroachment stations are specified within the channel bank stations

Issue No. 12

  • Encroachment Method is not specified at a cross section

Issue No. 13

  • Second case for the message, FW EM 01: Encroachment Method is not specified at a cross section

Issue No. 14

  • Encroachment Method ____ is used

Issue No. 15

  • Second Case for the message, FW EM 02: Encroachment Method ____ is used

Issue No. 16

  • FW EM 04: Target surcharge value is equal to zero

Issue No. 17

  • FW EM 05: Target surcharge value of ___ is greater than the allowable surcharge value of ___.
    A target surcharge should be specified greater than 0.00 but no more than the allowable surcharge value

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Coastal Hazard Mapping

Issue No. 1

  • Welcome to the Coastal Hazard Mailing List

Issue No. 2

  • Guidelines and Specficiations for Wave Elevation Determination and V Zone Mapping
  • Coastal Models Accepted by FEMA and NFIP for Usage
  • Introduction to the Coastal Hazard Analysis Modeling Program (CHAMP)

Issue No. 3

  • Schedule of CHAMP Database Development
  • Development of Program 1 - Transect Description/Parameter Entry
  • Helpful Hint

Issue No. 4

  • Development of CHAMP Program 2 - Transect Data Entry and Editing
  • Introduction to CHAMP Graphics

Issue No. 5

  • Development of Program 3 - Erosion Treatment
  • Helpful Hint

Issue No. 6

  • CHAMP Survey
  • CHAMP Program 4 - Wave Height Analysis
  • Helpful Hints for CHAMP Program 4

Issue No. 7

  • CHAMP Program 5 - Wave Runup Analysis
  • Helpful Hints for CHAMP Program 5

Issue No. 8

  • CHAMP Program 6 - Summary Tables and Graphics for Mapping
  • Graphics Controls
  • Help Menu

Issue No. 9

  • Conferences Addressing Coastal Hazard Concerns
  • CHAMP Tutorial to be Available on Web
  • Operational Error Found in CHAMP

Issue No. 10

  • Version 1.1 of CHAMP
  • CHAMP Enhancement Database Maintenance
  • FEMA Flood Hazard Mapping Websites
  • Coastal Training Opportunities

Issue No. 11

  • Guidelines and Specifications for Wave Elevation Determination and V Zone Mapping
  • Draft Guidelines and Specifications for Flood Hazard Mapping Partners
  • National Flood Insurance Program Regulations
  • MT-2 Forms

Issue No. 12

  • Coastal Barrier Resources System
  • Solutions to Coastal Disaster Conference
  • FEMA Map Service Center

Issue No. 13

  • FEMA-Accepted Coastal Numerical Models Websites
  • FEMA Technical Bulletins
  • Environmental Laws and Executive Orders Relating to FEMA-Assisted Coastal Projects

Issue No. 14

  • Introduction/Upcoming Coastal Hazard Bulletin Topics
  • CHAMP Graphic Export Capabilities
  • Coastal Construction Manual - FEMA Publication Number 55CD available

Issue No. 15

  • Data Requirements for Coastal Flood Hazard Analyses

Issue No. 16

  • CHAMP Application - Open-Ocean Wave Height-Dominated Case
  • Hot Topic #1 - Coastal Flood Insurance Rate Determination
  • Hot Topic #2 - ADCIRC Accepted for Hilton Head, South Carolina

Issue No. 17

  • CHAMP Application - Open Ocean Wave Height Dominated V Zone case (cont.)
  • Hot Topic #1 - Hurricane information on the FEMA web site
  • Hot Topic #2 - FEMA Coastal Flood Hazard Technical Resources Page

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National Flood Frequency

Issue No. 1

  • Welcome to the NFF Mailing List

Issue No. 2

  • Introduction to the NFF Program and USGS Regression Equations
  • Applicability of the Regression Equations
  • Advantages and Limitations of the Regression Equations

Issue No. 3

  • The Use of USGS Regression Equations for NFIP purposes
  • The Criteria for Using Discharges Computed Using USGS Regression Equations for NFIP Purposes

Issue No. 4

  • Discussion on USGS Regression Equations and the NFF Program
  • Revisions to the USGS Regression Equations Since the NFF Software was Released
  • Locations from Which to Obtain the NFF Program and USGS Regression Equation Documentation

Issue No. 5

  • Discussion on USGS Regression Equations and the NFF Program
  • Unusual Parameters of USGS Regression Equations and How to Obtain Them

Issue No. 6

  • Discussion on USGS Regression Equations and the NFF Program
  • Unusual Parameters of USGS Regression Equations and How to Obtain Them - Part 2

Issue No. 7

  • Discussion on USGS Regression Equations and the FHH Program
  • Unusual Parameters of USGS Regression Equations and How to Obtain Them - Part 3

Issue No. 8

  • Discussion on USGS Regression Equations and the NFF Program
  • Examples in Which USGS Regression Equations are Used for NFIP Purposes

Issue No. 9

  • Discussion on USGS Regression Equations and the NFF Program
  • How to Treat "State Line Faults" (Basins Lying in More Than One State)

Issue No. 10

  • Discussion on USGS Regression Equations and the NFF Program
  • Estimating Drainage Area and Cross Sections From USGS Topo Maps

Issue No. 11

  • Discussion of USGS Regression Equations and the NFF Program
  • Measures of Accuracy in NFF

Issue No. 12

  • Discussion of USGS Regression Equations and the NFF Program
  • Weighting NFF Results with Observed

Issue No. 13

  • Discussion of USGS Regression Equations and the NFF Program
  • Estimation of Extreme Floods

Issue No. 14

  • Discussion of USGS Regression Equations and the NFF Program
  • Flood Hydrograph Estimation Using NFF

Issue No. 15

  • Discussion of USGS Regression Equations and the NFF Program
  • Urban Flood Hydrograph Estimation Using NFF

Issue No. 16

  • Discussion of USGS Regression Equations and the NFF Program
  • Southwestern United States Equations

Issue No. 17

  • Discussion of USGS Regression Equations and the NFF Program
  • NFF Versions 3.0 and 3.1

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Quick-2

Issue No. 1

  • Welcome to the Quick-2 Mailing List
  • Why should I know how to use Quick-2?

Issue No. 2

  • Ensuring Quick-2 is loaded and running properly
  • Use of Quick-2 in preparing a CLOMR-F

Issue No. 3

  • Using Quick-2 to determine a BFE using the irregular channel, normal depth feature
  • Running multiple analysis using different n-values and discharges
  • Viewing rating curves and cross section plots

Issue No. 4

  • Creating a backwater profile and determining BFEs using the step-backwater feature
  • Viewing rating curves and cross section points
  • Determining of a property is in or out of the floodplain

Issue No. 5

  • Determining the BFE of and irregular channel at three different cross sections
  • Running multiple analyses using different discharges
  • Viewing the rating curves and cross section plots

Issue No. 6

  • Examining the channel capacity of a circular channel

Issue No. 7

  • Examining the channel capacity of a circular channel - Part 2

Issue No. 8

  • Using the Quick-2 program to complete a HEC-2 run

Issue No. 9

  • Using the Quick-2 program to determine the channel capacity of a Triangular Channel

Issue No. 10

  • Using the Quick-2 program to determine normal depth in an irregular channel that has a supercritical flow

Issue No. 11

  • Using the Quick-2 program to determine the channel capacity of a rectangular channel and to test the sensitivity of the manning's n-values

Issue No. 12

  • Using the Quick-2 program to determine if the flow of a circular channel can be contained in the channel or not

Issue No. 13

  • Using the Quick-2 program to compute Base Flood Elevations (BFEs) using step-backwater analysis

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RASPLOT

The latest version of RASPLOT, Version 3.0 Beta, replaces RASPLOT Version 2.5 and resolves all known issues identified from RASPLOT 2.5. For more information on RASPLOT 3.0 see the User Guide or download.

Issue No. 1

  • Welcome to the RASPLOT mailing list

Issue No. 2

  • Problems Creating the RASPLOT Database
  • Need two or more flood profiles
  • Problems Creating the RASPLOT Database - HEC-RAS report generated incorrectly

Issue No. 3

  • Creating a New Database
  • Using RASPLOT to Create a Profile from a Hydraulic Model That is Not HEC-2 or HEC-RAS

Issue No. 4

  • Manually Adding a Panel in RASPLOT

Issue No. 5

  • FAQ's Answered

Issue No. 6

  • RASPLOT Example with a HEC-2 Model

Issue No. 7

  • Upcoming RASPLOT Release Enhancements and New Functionality

Issue No. 8

  • DFX Editor: Zoom and Snap Options

Issue No. 9

  • DFX Editor: Ortho On/Off and Draw Tools

Issue No. 10

  • DFX Editor: Modify Tools (Part 1)

Issue No. 11

  • DFX Editor: Modify Tools: Trim (Part 2)

Issue No. 12

  • DFX Editor: Modify Tools: Extend and Break (Part 3)

Issue No. 13

  • How To Use the DXF Editor: Modify Tools (Part 4): Fillet & Offset

Issue No. 14

  • How To Use the DXF Editor: Block

Issue No. 15

  • Pre-installed Blocks in the DXF Editor
  • Example of Using a Pre-installed Block: BACKWATER

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Last Modified: Friday, 15-Jun-2007 11:57:20 EDT