District of Columbia tornado risk
District of Columbia has the highest tornado risk in District of Columbia, scoring 90.4 out of 100 — rated "Relatively High" by FEMA's National Risk Index.
| # | County | NRI score | Rating |
NOAA events 2016–2026 |
|---|---|---|---|---|
| 1 | District of Columbia | 90.4 | Relatively High | 4 |
Source: FEMA National Risk Index v1.20.0, December 2025. Scores are 0–100 percentile rankings among all US counties. See the methodology page for definitions. Download the full CSV for all counties.
Tornado risk nationally:
Other hazard risks in District of Columbia:
Frequently asked questions
What is the highest tornado risk county in District of Columbia?
District of Columbia, DC has the highest tornado risk in District of Columbia, with a FEMA National Risk Index score of 90.4 out of 100 (rated "Relatively High").
What causes tornado risk in District of Columbia?
Tornado risk concentrates in the central and southern plains ("Tornado Alley") and the Southeast ("Dixie Alley"), where atmospheric conditions favor supercell thunderstorm development. The highest scores often belong to counties with significant mobile home and manufactured housing stock, which carries disproportionate tornado mortality risk.