This alert expired on 21 July 2026 at 19:45 UTC. It is kept here as a record.
No stronger detection stands among the 45 recorded within 20 km of this point since 16 March 2026 — 7 others scored the same. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued July 21 at 3:03PM EDT until July 21 at 3:45PM EDT by NWS Wilmington OH
An estimated 516,697 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 25, 2026 · score 43 · 4.3 km
- August 11, 2026 · score 72 · 6.9 km
- June 18, 2026 · score 72 · 17.9 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 72 out of 100, at 80 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Critical |
| Calamity Score (ours) | 72 / 100 |
| Our confidence | 80% |
| Coordinates | 38.8075, -84.3511 |
| Nearest City | Independence (22 km) |
| Population Exposed | 516.7K within 50 km |
| Impact Tier | catastrophic |
| Timestamp | 2026-07-21T19:03:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.c05998c043d044d33b97b08290bdfe8d |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Brown, OH; Clermont, OH; Clermont, OH; Carroll, KY; Gallatin, KY; Grant, KY; Owen, KY |
| Headline | Tornado Warning issued July 21 at 3:03PM EDT until July 21 at 3:45PM EDT by NWS Wilmington OH |
| Expires | 2026-07-21T15:45:00-04:00 |
| SenderName | NWS Wilmington OH |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.c05998c043d044d33b97b08290bdfe8dfcdca58e.001.1","noaa_urn:oid:2.49.0.1.840.0.4c66758494b970f0950d00229a58ba2e331c047d.001.1","noaa_urn:oid:2.49.0.1.840.0.10402b9e12c47b196faf2a95ab9873655e45112e.001.1"] |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
Series begins 8 March 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Want to know when something happens near Independence?
Calamity.live data shows a weather event with CalamityScore 72/100, near Independence (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.