Dataset · Hazard
FEMA NRI
Available nri
FEMA's National Risk Index: the composite risk index, expected annual loss, social vulnerability and community resilience, and a risk score for each of eighteen natural hazards.
- Publisher
- FEMA
- Category
- Hazard
- Period
- 2025 release
- Refresh cadence
- Quarterly
- Measures
- 22
- Licence
- Public domain (U.S. federal government work)
Source
| Fact | Value |
|---|---|
| Publisher | FEMA |
| Product | National Risk Index (county) |
| Source | https://hazards.fema.gov/nri/ (opens in a new tab) |
| Category | Hazard |
| Period | 2025 release |
| Refresh cadence | Quarterly |
| Geographies | County and census tract. A metro's scores are population-weighted means of its counties; expected annual loss, a dollar total, is summed. |
| Availability | Available |
| Cadastre key | nri |
Licence and attribution
| Fact | Value |
|---|---|
| Licence | Public domain (U.S. federal government work) |
| Terms | https://www.fema.gov/about/website-information (opens in a new tab) |
| Register status | Production approved; licence open |
| Allowed uses | evaluation, internal, public_display, derived_analytics, redistribution, bulk_export, public_geometry, api |
This source requires no credit line beyond naming the publisher. Cite it as FEMA, National Risk Index (county).
Measures
The key is the measure's identifier in Cadastre. A measure stored for the metro itself is read as stored; Rule from counties is how a metro is assembled from its counties where it is not (see Methodology).
| Key | Label | Unit | Rule from counties |
|---|---|---|---|
fema_nri_risk_index | FEMA National Risk Index | risk score 0-100 | population-weighted county mean |
fema_nri_expected_annual_loss | FEMA expected annual loss | dollars | sum over member counties |
fema_nri_social_vulnerability | FEMA social vulnerability | risk score 0-100 | population-weighted county mean |
fema_nri_community_resilience | FEMA community resilience | risk score 0-100 | population-weighted county mean |
fema_nri_avalanche_risk | FEMA avalanche risk | risk score 0-100 | population-weighted county mean |
fema_nri_coastal_flooding_risk | FEMA coastal flooding risk | risk score 0-100 | population-weighted county mean |
fema_nri_cold_wave_risk | FEMA cold wave risk | risk score 0-100 | population-weighted county mean |
fema_nri_drought_risk | FEMA drought risk | risk score 0-100 | population-weighted county mean |
fema_nri_earthquake_risk | FEMA earthquake risk | risk score 0-100 | population-weighted county mean |
fema_nri_hail_risk | FEMA hail risk | risk score 0-100 | population-weighted county mean |
fema_nri_heat_wave_risk | FEMA heat wave risk | risk score 0-100 | population-weighted county mean |
fema_nri_hurricane_risk | FEMA hurricane risk | risk score 0-100 | population-weighted county mean |
fema_nri_ice_storm_risk | FEMA ice storm risk | risk score 0-100 | population-weighted county mean |
fema_nri_landslide_risk | FEMA landslide risk | risk score 0-100 | population-weighted county mean |
fema_nri_lightning_risk | FEMA lightning risk | risk score 0-100 | population-weighted county mean |
fema_nri_riverine_flooding_risk | FEMA riverine flooding risk | risk score 0-100 | population-weighted county mean |
fema_nri_strong_wind_risk | FEMA strong wind risk | risk score 0-100 | population-weighted county mean |
fema_nri_tornado_risk | FEMA tornado risk | risk score 0-100 | population-weighted county mean |
fema_nri_tsunami_risk | FEMA tsunami risk | risk score 0-100 | population-weighted county mean |
fema_nri_volcanic_activity_risk | FEMA volcanic activity risk | risk score 0-100 | population-weighted county mean |
fema_nri_wildfire_risk | FEMA wildfire risk | risk score 0-100 | population-weighted county mean |
fema_nri_winter_weather_risk | FEMA winter weather risk | risk score 0-100 | population-weighted county mean |
Known gaps and caveats
- A planning and risk-screening product: not underwriting, and not a hazard determination for any site.