This alert expired on 10 June 2026 at 02:00 UTC. It is kept here as a record.
No stronger detection stands among the 107 recorded within 20 km of this point since 12 March 2026 — 2 others scored the same. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued June 9 at 9:41PM EDT until June 9 at 10:00PM EDT by NWS Indianapolis IN
An estimated 1,188,322 people live within 50 km of this point.
Nearby, since 12 March 2026
- August 1, 2026 · score 52 · 4.1 km
- March 12, 2026 · score 52 · 10.5 km
- August 11, 2026 · score 52 · 18.3 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 76 out of 100, at 80 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | critical |
| Calamity Score (ours) | 76 / 100 |
| Our confidence | 80% |
| Coordinates | 39.5020, -85.9880 |
| Nearest City | Franklin (6 km) |
| Population Exposed | 1.2M within 50 km |
| Impact Tier | catastrophic |
| Timestamp | 2026-06-10T01:41:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.760d67273ed51c76fb1aec0f19c60843a86f8c95.001.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Johnson, IN; Shelby, IN |
| Headline | Tornado Warning issued June 9 at 9:41PM EDT until June 9 at 10:00PM EDT by NWS Indianapolis IN |
| Expires | 2026-06-09T22:00:00-04:00 |
| SenderName | NWS Indianapolis IN |
| HasExactCoords | true |
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 10 February 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.
Calamity.live data shows a weather event with CalamityScore 76/100, near Franklin (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.