Climate Vulnerability and Risk Assessment

Approach to Assessing Flood Risk  The identification of flooding risk incorporates both changes over time to the City’s floodplain areas as they are anticipated to expand and determination of those areas that are subject to localized flooding, inundation, and standing water, and thus will experience greater impacts as climate change causes more frequent extreme precipitation events.

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The FEMA floodplains for storms with a 1% annual chance of occurring were identified as the City’s 2030/2050 planning scenario and represent future flood risk in this assessment with respect to floodplains.

This flood risk was augmented by detailed flood risk mapping that reflects Richmond’s terrain. The areas with inundation of more than five inches were added to the 2030/2050 floodplain scenario to define the critical flood risk for Richmond for this assessment.

NOAA's sea level rise data for 1', 3' and 5' .

Social Vulnerability is focused on people and their ability to withstand and respond to stressors like the impacts of climate change.

The final vulnerability score map was created using the results of the standard deviation scoring methodology, to compare relative overall vulnerability across Richmond's census tracts.

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Built assets were identified by considering the people, resources, and infrastructure in the city of Richmond, as well as the services those resources and infrastructure provide. Thes include assets both internal and external to the city's operational control.

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Includes areas where there is the highest social vulnerability, and block groups where the Average Mean Temperature is greater than 96°F.