Finding Unpublished BFEs in FIRM Database Using Open–Source GIS

Video screen showing title of presentation as text

This 25-minute video tutorial demonstrates four tasks; how to determine if a mapped Zone A floodplain is model–backed, how to download a FIRM database, how to view data in the FIRM database using open–source GIS software, and how to view unpublished Base Flood Elevations (BFEs) in the FIRM database.

 
 

Floodplain Mapping 101

An introductory course in floodplain management and floodplain mapping, intended for community officials. This is a high level, informative session to help users better understand some of the more technical aspects of floodplain mapping.

Video screen showing class leader and floodway area

Part 1 (36 min): Covers basic terms, types of FEMA maps, flood zones, Flood Insurance Studies (FIS), and locating Base Flood Elevations (BFEs) on maps and exhibits.

 
Video screen showing class leader and flooded stream area

Part 2 (16 min): Updating maps through map changes, brief discussion of levees

Working with Communities

A goal of RiskMAP is to work closely with communities to better understand local flood risk, mitigation efforts, and other topics and spark watershed–wide discussions about increasing resilience to flooding.

Current Risk Map Projects in Illinois are both watershed– and county–based.

For info on current and past projects see:
County–based Resources or
Watershed–based Resources