Which covered Indiana cities have the highest relative tornado risk?
Indianapolis use FEMA data for Marion County, which has the highest relative tornado score in this covered set at 99.0/100. Cities sharing the same FEMA area share the same score.
Tornado Risk by City in Indiana
Compare 10 cities using FEMA's relative tornado scores and annualized frequency for the county-equivalent areas shown.
Highest relative score
99.0/100
Marion County
Covered cities: Indianapolis
Lowest relative score in this set
82.2/100
Monroe County
Covered cities: Bloomington
These are relative FEMA scores for county-equivalent areas. They are not annual probabilities or property-level findings.
Indiana tornado rankings
Cities sharing a FEMA area are grouped together and receive the same score.
| Rank | FEMA area and cities | Rating | Score | Annualized frequency |
|---|---|---|---|---|
| #1 | Marion County | Very High | 99.0/100 | 0.30 events per year |
| #2 | Hamilton County | Relatively High | 97.5/100 | 0.30 events per year |
| #3 | Allen County | Relatively High | 97.2/100 | 0.41 events per year |
| #4 | Vanderburgh County | Relatively High | 94.9/100 | 0.16 events per year |
| #5 | Elkhart County | Relatively Moderate | 91.2/100 | 0.22 events per year |
| #6 | St. Joseph County | Relatively Moderate | 90.1/100 | 0.20 events per year |
| #7 | Delaware County | Relatively Moderate | 89.6/100 | 0.29 events per year |
| #8 | Tippecanoe County | Relatively Moderate | 83.7/100 | 0.41 events per year |
| #9 | Monroe County | Relatively Moderate | 82.2/100 | 0.28 events per year |
FEMA annualizes recorded qualifying tornado occurrences across the FEMA geography and source period.
Preparing for tornado
Ready.gov Tornadoes ↗For a home or move
- ✓Identify the lowest-floor interior room or nearby rated shelter you can reach quickly.
- ✓Review how garage doors, roof connections, and exterior objects could perform in severe wind with a qualified local professional.
- ✓Confirm that insurance documents cover wind damage and understand the deductible before storm season.
For a household plan
- ✓Enable Wireless Emergency Alerts and keep a battery-powered NOAA Weather Radio available.
- ✓Keep shoes, flashlights, and head protection in or beside the shelter location.
- ✓Practice reaching the shelter with children, pets, and anyone who needs mobility assistance.
Questions about tornado risk in Indiana
Which covered Indiana area has the lowest relative tornado score?
Monroe County has the lowest score in this covered set at 82.2/100. This is a relative FEMA comparison, not a declaration that every property there is safe.
Are these tornado figures city-level?
No. The city links provide geographic navigation, while the scores and frequencies cover the FEMA county-equivalent areas shown in the table. Address-level conditions require local maps and property details.
Is the FEMA relative score an annual probability?
No. The relative score compares FEMA areas on a 0–100 scale. Annualized frequency appears separately with hazard-specific units.
Source: FEMA National Risk Index v1.19.0, released March 2023. Hazard data covers FEMA county-equivalent areas.