This alert expired on 11 June 2026 at 04:45 UTC. It is kept here as a record.
No stronger detection stands among the 236 recorded within 20 km of this point since 1 April 2026 — 2 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 June 10 at 11:19PM CDT until June 10 at 11:45PM CDT by NWS Lincoln IL
An estimated 187,648 people live within 50 km of this point.
Nearby, since 1 April 2026
- June 12, 2026 · score 37 · 13.5 km
- June 20, 2026 · score 43 · 13.9 km
- July 4, 2026 · score 43 · 14.6 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 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 | 39.9560, -89.3387 |
| Nearest City | Springfield (31 km) |
| Population Exposed | 187.6K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-06-11T04:19:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.cd895e2b730a6842c336b789086e3aa4 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Logan, IL; Macon, IL; Sangamon, IL; De Witt, IL; Logan, IL; Christian, IL; Logan, IL; Macon, IL; Sangamon, IL |
| Headline | Tornado Warning issued June 10 at 11:19PM CDT until June 10 at 11:45PM CDT by NWS Lincoln IL |
| Expires | 2026-06-10T23:45:00-05:00 |
| SenderName | NWS Lincoln IL |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.cd895e2b730a6842c336b789086e3aa4c9f09d77.002.1","noaa_urn:oid:2.49.0.1.840.0.42eb56f59002ebfebaad04478fad999a3b7b66cf.001.1","noaa_urn:oid:2.49.0.1.840.0.9f5f474f55121ee65bda38fbed4e3ed912c4cc42.001.1"] |
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.
Want to know when something happens in this area?
Calamity.live data shows a weather event with CalamityScore 67/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.