This alert expired on 22 June 2026 at 00:15 UTC. It is kept here as a record.
No stronger detection stands among the 118 recorded within 20 km of this point since 11 March 2026 — 20 others scored the same. Another comparable one was recorded here earlier the same day. 9 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued June 21 at 7:55PM EDT until June 21 at 8:15PM EDT by NWS Indianapolis IN
An estimated 18,012 people live within 50 km of this point.
Nearby, since 11 March 2026
- March 13, 2026 · score 34 · 14.3 km
- June 3, 2026 · score 34 · 15.9 km
- June 2, 2026 · score 34 · 15.9 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 58 out of 100, at 79 % 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) | 58 / 100 |
| Our confidence | 79% |
| Coordinates | 38.6126, -87.4918 |
| Nearest City | Vincennes (8 km) |
| Population Exposed | 18.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-21T23:55:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.153985c3f1a8f15801947f06310dc19b |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Bartholomew, IN; Brown, IN; Gibson, IN; Posey, IN; Vanderburgh, IN; Daviess, IN; Lawrence, IN; Martin, IN and 5 more areas |
| Headline | Tornado Warning issued June 21 at 7:55PM EDT until June 21 at 8:15PM EDT by NWS Indianapolis IN |
| Expires | 2026-06-21T20:15:00-04:00 |
| SenderName | NWS Indianapolis IN |
| HasExactCoords | true |
| MergedCount | 8 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.153985c3f1a8f15801947f06310dc19bda51a1ea.001.1","noaa_urn:oid:2.49.0.1.840.0.bc4a273ec08afb78c44bc45111d6dcfb7f27da1d.001.1","noaa_urn:oid:2.49.0.1.840.0.895dbd9cfe36df49b67577ffbb2d04f935bcda08.001.1","noaa_urn:oid:2.49.0.1.840.0.e3a0be39b7da11cd26c2d2c70050942873665557.001.1","noaa_urn:oid:2.49.0.1.840.0.84abf10d115e98926218311f7504336dce05133d.001.1","noaa_urn:oid:2.49.0.1.840.0.cd630c25aeb28bd555406ab9a282e2b8df07ca7b.001.1","noaa_urn:oid:2.49.0.1.840.0.df56befd49218ee568a8187d981ff30ef29f3a5a.001.1","noaa_urn:oid:2.49.0.1.840.0.4d1944dd3332e927bb1d4eea63f5024ea1bdd7b8.001.1"] |
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 Vincennes?
Calamity.live data shows a weather event with CalamityScore 58/100, near Vincennes (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.