Flood Hazard Mapping

Read on for the latest in flood hazard mapping news.

1. New Guidelines for Cooperating Technical Communities (CTC) available
2. FEMA to Provide Guidance on use of Automated H&H tools
3. An Overview of Map Modernization
4. New Digital Flood Insurance Rate Map (DFIRM) Specifications are On-line for Comment
5. New Guidelines for Mapping Alluvial Fans Available
6. Draft Future Conditions Hydrology Report Available

1. FEMA Releases New Guidelines for CTC's

(Select the following to go to:) http://www.fema.gov/mit/tsd/CTC_guid.htm

FEMA's goal for the CTC initiative is to increase local community involvement in the flood map updating process. New Guidelines have just been released that clarify the opportunities and requirements of this involvement for local, regional and state agencies considering a CTC partnership with FEMA. Funding may be available for some activities.

2. FEMA to Provide Guidance on Automated Tools for Floodplain Analysis

(Select the following to go to:) http://www.fema.gov/mit/tsd/MM_WIP5i.htm

FEMA recently established a task force to assess available technologies for automated floodplain analysis. The team will review GIS technology, software packages, and database applications, then provide guidance for their use in hydrologic, hydraulic and mapping applications. E-mail links to the task leaders are included with this article for your comments and suggestions.

3 An Overview of Map Modernization

(Select the following to go to:) http://www.fema.gov/mit/tsd/MM_WIP5f.htm

This summary of FEMA's overall Map Modernization includes:

- How FEMA identifies and ranks flood mapping needs
- Proposals for converting the 100,000-map panel inventory to a digital format, creative partnerships to improve map update speed and efficiency achieve faster and efficient
- Close integration and coordination between the communities, agencies, and contractors throughout the process
- Streamline production and use of the internet for dissemination

4. New Digital Flood Insurance Rate Map (DFIRM) specifications are On-line for Comment

(Select the following to go to:) http://www.fema.gov/mit/tsd/MM_WIP5g.htm

FEMA's newly developed base map specifications will enable the use of computer technology to quickly and efficiently update, produce and distribute DFIRMs. This new technology will also enable the conversion of the entire mapping inventory to a digital format

Review and comment on the proposed DFIRM standards
(Select the following to go to:) http://www.fema.gov/mit/tsd/MM_DFDB.htm

5. New Guidelines for Mapping Alluvial Fans Available on the Web

(Select the following to go to:) http://www.fema.gov/mit/tsd/FT_alfan.htm

FEMA announces the release of new "Guidelines for Determining Flood Hazards on Alluvial Fans." These Guidelines provide guidance for the identification and mapping of flood hazards occurring on alluvial fans, regardless of the level of fan forming activity, including active and inactive alluvial fan flooding.

6. New Future Conditions Hydrology Report Available

(Select the following to go to:) http://www.fema.gov/mit/tsd/FT_futur.htm

A draft copy of "Modernizing FEMA's Flood Hazard Mapping Program: Recommendations for Using Future Conditions Hydrology for the National Flood Insurance Program" will be available within the week. The report evaluates the constraints and benefits of using future conditions hydrology to map floodplains. An e-mail link from the web page to the author is provided for the reviewer's convenience.

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