Troy, OH
Local storm history & FEMA National Risk Index data
Troy is rated Relatively Low for overall natural hazard risk — lower risk than most US counties — based on FEMA's National Risk Index for Miami County, OH. The county's highest-rated hazards are earthquake, ice storm, and strong wind.
Storm events near Troy
NOAA-recorded tornado, hail, and flood events within 25 miles of Troy's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Troy itself, not the whole county.
County-wide hazard risk
Every other hazard FEMA and NOAA track — including drought — is only scored at the county level. These are Miami County's FEMA National Risk Index scores, covering Troy along with the rest of the county, not a Troy-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 21 | Very Low |
| Inland Flooding | 70.1 | Relatively Low |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 80.4 | Relatively Low |
| Heat Wave | 41.7 | Relatively Low |
| Tornado | 75.4 | Relatively Moderate |
| Avalanche | — | Not Applicable |
| Cold Wave | 57.2 | Relatively Low |
| Drought | 32.3 | Relatively Low |
| Hail | 68.6 | Relatively Low |
| Hurricane | 33.5 | Very Low |
| Ice Storm | 78 | Relatively Moderate |
| Landslide | 42.6 | Very Low |
| Lightning | 72.6 | Relatively Moderate |
| Strong Wind | 76 | Relatively Moderate |
| Tsunami | — | Not Applicable |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 65.6 | Relatively Moderate |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Miami County risk profile for disaster declarations, social vulnerability, and climate projection data.
Other cities in Miami County:
More on Miami County:
Frequently asked questions
What natural hazards is Troy, OH at risk of?
Troy is rated Relatively Low for overall natural hazard risk by FEMA's National Risk Index — lower risk than most US counties. The highest-rated hazards for Miami County, where Troy is located, are earthquake, ice storm, and strong wind.
What is Troy's biggest natural hazard risk?
Earthquake is the highest-rated hazard for Miami County, where Troy is located, scoring 80.4 out of 100 on FEMA's National Risk Index (rated "Relatively Low").
Is Troy a high-risk area for natural disasters?
No — Troy carries lower risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively Low" for Miami County.
Has Troy had tornadoes, hail, or flooding?
NOAA has recorded 48 tornado, 100 hail, 141 inland flooding events within 25 miles of Troy since 2016.