Connecticut strong wind risk
Western Connecticut Planning Region has the highest strong wind risk in Connecticut, scoring 97.8 out of 100 — rated "Relatively High" by FEMA's National Risk Index.
| # | County | NRI score | Rating |
NOAA events 2016–2026 |
|---|---|---|---|---|
| 1 | Western Connecticut Planning Region | 97.8 | Relatively High | 0 |
| 2 | Greater Bridgeport Planning Region | 95.3 | Relatively High | 0 |
| 3 | Naugatuck Valley Planning Region | 89.1 | Relatively High | 0 |
| 4 | South Central Connecticut Planning Region | 84.9 | Relatively High | 0 |
| 5 | Capitol Planning Region | 83.6 | Relatively Moderate | 0 |
| 6 | Southeastern Connecticut Planning Region | 57.3 | Relatively Moderate | 0 |
| 7 | Lower Connecticut River Valley Planning Region | 53.4 | Relatively Moderate | 0 |
| 8 | Northwest Hills Planning Region | 48.2 | Relatively Low | 0 |
| 9 | Northeastern Connecticut Planning Region | 13.9 | Very Low | 0 |
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.
Strong Wind risk nationally:
Other hazard risks in Connecticut:
Frequently asked questions
What is the highest strong wind risk county in Connecticut?
Western Connecticut Planning Region, CT has the highest strong wind risk in Connecticut, with a FEMA National Risk Index score of 97.8 out of 100 (rated "Relatively High").
What causes strong wind risk in Connecticut?
Strong wind risk covers non-convective, non-tropical sustained high winds — including derechos and general high-wind events, but excluding tornado and hurricane winds. High scores appear in mountain passes, coastal headlands, and open plains where topography amplifies wind speeds. Damage concentrates on utility infrastructure, trees, and lightweight structures.