FEMA 2023 Flood Risk Mapping Guidance

Product

A product is any output of an effort, including datasets, documents, graphics, or websites.

Create A New Product Page

Last Ten Products

• Seedlot Selection Tool
• Bioregional Funding Facilities Funding Resources
• Cereghino 2024 draft riverscape agroforestry principles
• Cereghino 2024 Salish sea platform short intro
• Islands in the Salish Sea
• USDA Plants Database
• ESA 2024 bellingham culvert prioritization
• WDFW 2015 fir island farms adaptive management plan
• Cereghino 2015 grant administrative streamlining

Product Categories

Dataset‎ (1 C, 6 P)

Document‎ (5 C, 158 P, 520 F)

Graphic‎ (3 C, 78 F)

Website‎ (35 P)

Google scholar search

Linked To This Product

Wiki Rules

• Wiki text does not reflect the policy or opinion of any agency or organization
• Please adhere to our Social Contract and Style Guide
• Complain here, and be nice.

Federal Emergency Management Agency. 2023. Guidance for flood risk analysis and mapping, floodway analysis and mapping. 63 pp.

• https://www.fema.gov/sites/default/files/documents/fema_rm-floodway-analysis-and-mapping-nov-2023.pdf

Notes

• This product defines methods that FEMA requests as part of the Letter of Map Revision processes
• This affects Flood Hazard Management as well as Ecology management of Floodplains
• Page 22 includes methods for weighting flood risk across a floodplain that might have application for streamlining the Letter of Map Revision process.