External tool only
Coastal County Snapshots
NOAA Office for Coastal Management · released 2015, no longer updated
Visit Coastal County Snapshots
County-level report pages (Flood Exposure, Exposure to Sea Level Rise, Marine Economy, Total Economy) that turn FEMA flood hazard, NOAA sea level rise, Census, labor and land-cover data into printable charts and maps. NOAA states the datasets are no longer updated, so the reports do not reflect the most current conditions. External tool only: it is a per-county report, not a queryable map service, and its flood inputs are already mapped here.
General Information
- Geographic scope within coastal California
- U.S. coastal counties, including California
- Tool release year and updates
- 2015, no longer updated
Projected Flood Information
- Annual flood risk
- No
- Annual flood risk (various return periods)
- No
- Base flood elevation
- No
- Coastal groundwater flooding
- No
- Erosion projections
- No
- FEMA flood zones
- Yes
- High tide flooding thresholds (minor/moderate/major)
- No
- King tide
- No
- Mapping uncertainty / confidence layers
- No
- Marsh migration space
- No
- Near-100-year storm scenario
- No
- Shoreline erosion
- No
- Storm surge / extreme tide
- No
- Stormwater / compound flooding
- No
- Wave run-up
- No
Shoreline Processes
- Coastal flood thresholds
- No
- Coastal groundwater
- No
- Compound flooding with stormwater runoff
- No
- Dynamic hydrodynamic modeling
- No
- Erosion / shoreline change
- No
- Habitat-based risk reduction
- No
- High tide flooding
- No
- Hurricane storm surge
- No
- King tide
- No
- Levee overtopping
- No
- Marsh migration
- No
- Marsh migration / habitat change
- No
- Regulatory base flood elevation
- No
- Riverine and coastal flood zones
- Yes
- SLR inundation
- Yes
- Shoreline erosion
- No
- Shoreline overtopping
- No
- Storm surge / extreme tide
- No
- Tide-gauge monitoring
- No
- Wave run-up
- No
Exposure Analysis Provided on Flooding Impacts to Assets
- Critical facilities
- Yes
- Economic / property value
- Yes
- Infrastructure & buildings
- No
- Natural resources / habitats
- No
- Population / demographics
- Yes
Data, Reports, and Summary Information Available
- Reports, summary info, or other analyses available for download
- Printable county reports with charts and maps.
General Information Regarding Sea Level Rise Model
- Base sea level rise model
- NOAA Sea Level Rise Viewer inundation scenarios, as of the last update.
Strengths and Limitations
- Top 3 strengths
- Quick county-wide summary for a planning or grant document
- Combines flood, sea level rise and economic facts in one page
- Top 3 limitations
- Data is no longer updated
- Fixed county reports, not an explorable or queryable map
- No downloadable flood-extent geometry