Flood Hazard Mapping Bulletin Archive
Flood Hazard Mapping
Issue No. 1
- New Mailing Lists
- Updated Numerical Models
- Expiration Date for MT Forms Extended
- 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
- MT Forms Expiration Date
- Forms, Documents, and Software Main Page
- 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
- 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
- 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)
- 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
- Guidelines and Specifications for Flood Hazard Mapping Partners
- Woodland and Yolo County, California, Maps Revised as a Result of Cache Creek Restudy
- MT Forms
- Enhanced DFIRM Database
- MT-EZ Forms
- Site Redesign
- Iberia Parish, Louisiana, Map Revision
- New Fee Schedule Effective in September
- Site Redesign
- 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
CHECK-RAS
Issue No. 1
- Why should I know how to use CHECK-RAS?
- Discussion of Manning's "n" and contraction/expansion coefficients
- Water-surface elevation of lower discharge is higher than the water-surface elevation of higher discharge
- Computation of encroachment stations at structures
- Determining abutment stations of a bridge where the low chord line may cross the ground line
- Relationship among the Abutment Stations, Ineffective Flow Stations, and Encroachment stations at a Bridge
- Continuation of October 2001 Topic
- Negative Surcharge and the Selection of the Bridge Modeling Approach
- Encroachment stations are not computed at a structure with weir flow
- Computing encroachment stations at a structure with weir flow
- Encroachment stations are specified within the channel bank stations
- Encroachment Method is not specified at a cross section
- Second case for the message, FW EM 01: Encroachment Method is not specified at a cross section
- Encroachment Method ____ is used
- Second Case for the message, FW EM 02: Encroachment Method ____ is used
- FW EM 04: Target surcharge value is equal to zero
- 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
Coastal Hazard Mapping
Issue No. 1
- Welcome to the Coastal Hazard Mailing List
- 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)
- Schedule of CHAMP Database Development
- Development of Program 1 - Transect Description/Parameter Entry
- Helpful Hint
- Development of CHAMP Program 2 - Transect Data Entry and Editing
- Introduction to CHAMP Graphics
- Development of Program 3 - Erosion Treatment
- Helpful Hint
- CHAMP Survey
- CHAMP Program 4 - Wave Height Analysis
- Helpful Hints for CHAMP Program 4
- CHAMP Program 5 - Wave Runup Analysis
- Helpful Hints for CHAMP Program 5
- CHAMP Program 6 - Summary Tables and Graphics for Mapping
- Graphics Controls
- Help Menu
- Conferences Addressing Coastal Hazard Concerns
- CHAMP Tutorial to be Available on Web
- Operational Error Found in CHAMP
- Version 1.1 of CHAMP
- CHAMP Enhancement Database Maintenance
- FEMA Flood Hazard Mapping Websites
- Coastal Training Opportunities
- 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
- Coastal Barrier Resources System
- Solutions to Coastal Disaster Conference
- FEMA Map Service Center
- FEMA-Accepted Coastal Numerical Models Websites
- FEMA Technical Bulletins
- Environmental Laws and Executive Orders Relating to FEMA-Assisted Coastal Projects
- Introduction/Upcoming Coastal Hazard Bulletin Topics
- CHAMP Graphic Export Capabilities
- Coastal Construction Manual - FEMA Publication Number 55CD available
- Data Requirements for Coastal Flood Hazard Analyses
- 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
- 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
National Flood Frequency
Issue No. 1
- Welcome to the NFF Mailing List
- Introduction to the NFF Program and USGS Regression Equations
- Applicability of the Regression Equations
- Advantages and Limitations of the Regression Equations
- The Use of USGS Regression Equations for NFIP purposes
- The Criteria for Using Discharges Computed Using USGS Regression Equations for NFIP Purposes
- 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
- Discussion on USGS Regression Equations and the NFF Program
- Unusual Parameters of USGS Regression Equations and How to Obtain Them
- Discussion on USGS Regression Equations and the NFF Program
- Unusual Parameters of USGS Regression Equations and How to Obtain Them - Part 2
- Discussion on USGS Regression Equations and the FHH Program
- Unusual Parameters of USGS Regression Equations and How to Obtain Them - Part 3
- Discussion on USGS Regression Equations and the NFF Program
- Examples in Which USGS Regression Equations are Used for NFIP Purposes
- Discussion on USGS Regression Equations and the NFF Program
- How to Treat "State Line Faults" (Basins Lying in More Than One State)
- Discussion on USGS Regression Equations and the NFF Program
- Estimating Drainage Area and Cross Sections From USGS Topo Maps
- Discussion of USGS Regression Equations and the NFF Program
- Measures of Accuracy in NFF
- Discussion of USGS Regression Equations and the NFF Program
- Weighting NFF Results with Observed
- Discussion of USGS Regression Equations and the NFF Program
- Estimation of Extreme Floods
- Discussion of USGS Regression Equations and the NFF Program
- Flood Hydrograph Estimation Using NFF
- Discussion of USGS Regression Equations and the NFF Program
- Urban Flood Hydrograph Estimation Using NFF
- Discussion of USGS Regression Equations and the NFF Program
- Southwestern United States Equations
- Discussion of USGS Regression Equations and the NFF Program
- NFF Versions 3.0 and 3.1
Quick-2
- Welcome to the Quick-2 Mailing List
- Why should I know how to use Quick-2?
- Ensuring Quick-2 is loaded and running properly
- Use of Quick-2 in preparing a CLOMR-F
- 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
- 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
- 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
- Examining the channel capacity of a circular channel
- Examining the channel capacity of a circular channel - Part 2
- Using the Quick-2 program to complete a HEC-2 run
- Using the Quick-2 program to determine the channel capacity of a Triangular Channel
- Using the Quick-2 program to determine normal depth in an irregular channel that has a supercritical flow
- 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
- Using the Quick-2 program to determine if the flow of a circular channel can be contained in the channel or not
- Using the Quick-2 program to compute Base Flood Elevations (BFEs) using step-backwater analysis
RASPLOT
- Welcome to the RASPLOT mailing list
- Problems Creating the RASPLOT Database
- Need two or more flood profiles
- Problems Creating the RASPLOT Database - HEC-RAS report generated incorrectly
- Creating a New Database
- Using RASPLOT to Create a Profile from a Hydraulic Model That is Not HEC-2 or HEC-RAS
- Manually Adding a Panel in RASPLOT
- FAQ's Answered
- RASPLOT Example with a HEC-2 Model
- Upcoming RASPLOT Release Enhancements and New Functionality
- DFX Editor: Zoom and Snap Options
- DFX Editor: Ortho On/Off and Draw Tools
- DFX Editor: Modify Tools (Part 1)
- DFX Editor: Modify Tools: Trim (Part 2)
- DFX Editor: Modify Tools: Extend and Break (Part 3)
- How To Use the DXF Editor: Modify Tools (Part 4): Fillet & Offset
- How To Use the DXF Editor: Block
- Pre-installed Blocks in the DXF Editor
- Example of Using a Pre-installed Block: BACKWATER
Last Modified: Friday, 15-Jun-2007 11:57:20 EDT