This alert expired on 12 June 2026 at 02:30 UTC. It is kept here as a record.
It is the strongest of the 78 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 19 May 2026.
What the source measured
NOAA reported: Tornado Warning issued June 11 at 10:02PM EDT until June 11 at 10:30PM EDT by NWS Indianapolis IN
An estimated 449,927 people live within 50 km of this point.
Nearby, since 16 March 2026
- August 13, 2026 · score 43 · 9.0 km
- August 27, 2026 · score 49 · 15.1 km
- May 19, 2026 · score 48 · 16.6 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 67 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) | 67 / 100 |
| Our confidence | 80% |
| Coordinates | 40.3110, -86.1640 |
| Nearest City | Kokomo (20 km) |
| Population Exposed | 449.9K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-06-12T02:02:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.b522ca9a45c22dd5ce52b53fcd31294f |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Boone, IN; Clinton, IN; Hamilton, IN; Tipton, IN; Clinton, IN; Howard, IN; Tipton, IN |
| Headline | Tornado Warning issued June 11 at 10:02PM EDT until June 11 at 10:30PM EDT by NWS Indianapolis IN |
| Expires | 2026-06-11T22:30:00-04:00 |
| SenderName | NWS Indianapolis IN |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.b522ca9a45c22dd5ce52b53fcd31294feb7d65c2.001.1","noaa_urn:oid:2.49.0.1.840.0.112b0121804f2ab3d0c229e6ee50b776f5ce1414.001.1"] |
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 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 67/100, near Kokomo (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.