This alert expired on 11 June 2026 at 06:00 UTC. It is kept here as a record.
No stronger detection stands among the 376 recorded within 20 km of this point since 15 March 2026 — 2 others scored the same. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued June 11 at 12:12AM CDT until June 11 at 1:00AM CDT by NWS Lincoln IL
An estimated 240,970 people live within 50 km of this point.
Nearby, since 15 March 2026
- March 15, 2026 · score 67 · 5.2 km
- June 18, 2026 · score 49 · 9.7 km
- June 20, 2026 · score 43 · 14.5 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 81 % 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 | 81% |
| Coordinates | 39.8042, -88.6017 |
| Nearest City | Decatur (30 km) |
| Population Exposed | 241.0K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-06-11T05:12:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.139715505d13336852dcdb535a0cc779 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Champaign, IL; Douglas, IL; Macon, IL; Moultrie, IL; Shelby, IL; Piatt, IL |
| Headline | Tornado Warning issued June 11 at 12:12AM CDT until June 11 at 1:00AM CDT by NWS Lincoln IL |
| Expires | 2026-06-11T01:00:00-05:00 |
| SenderName | NWS Lincoln IL |
| HasExactCoords | true |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.139715505d13336852dcdb535a0cc77973d242c2.001.1","noaa_urn:oid:2.49.0.1.840.0.5814b3edf4d6da8fff1f67fb231196e36be2379e.002.1","noaa_urn:oid:2.49.0.1.840.0.1c598e4fa917fb79bf15693c9f3f51de5792f756.002.1","noaa_urn:oid:2.49.0.1.840.0.61ea56c51e15be65674ca59bad60fba355411e2b.002.1","noaa_urn:oid:2.49.0.1.840.0.03f244aa909b1f5f5bb12365754cc767f13ac1ee.002.1"] |
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.
Want to know when something happens near Decatur?
Calamity.live data shows a weather event with CalamityScore 67/100, near Decatur (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.