This alert expired on 12 June 2026 at 01:15 UTC. It is kept here as a record.
It is the 52nd strongest of the 364 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 11 June 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 11 at 7:37PM CDT until June 11 at 8:15PM CDT by NWS Lincoln IL
An estimated 128,407 people live within 50 km of this point.
Nearby, since 15 March 2026
- May 18, 2026 · score 43 · 3.3 km
- June 18, 2026 · score 43 · 9.4 km
- March 16, 2026 · score 67 · 10.9 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 37 out of 100, at 79 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 37 / 100 |
| Our confidence | 79% |
| Coordinates | 40.0910, -88.3675 |
| Nearest City | Champaign (11 km) |
| Population Exposed | 128.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-12T00:37:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.d9d2b7c53aeaa052732c751cf42d1aaf |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Champaign, IL; Douglas, IL; Edgar, IL; Piatt, IL; Vermilion, IL; Christian, IL; Coles, IL; Douglas, IL; Macon, IL; Morgan, IL; Moultrie, IL; Piatt, IL; Sangamon, IL; Shelby, IL; Ford, IL; Iroquois, IL |
| Headline | Severe Thunderstorm Warning issued June 11 at 7:37PM CDT until June 11 at 8:15PM CDT by NWS Lincoln IL |
| Expires | 2026-06-11T20:15:00-05:00 |
| SenderName | NWS Lincoln IL |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.d9d2b7c53aeaa052732c751cf42d1aaf5d8abd42.001.1","noaa_urn:oid:2.49.0.1.840.0.751bc20b039df1d16ff3f502b4c15d008ad621da.001.1","noaa_urn:oid:2.49.0.1.840.0.f123d91b0029f7f66633e2c59ba7bdad6b2084e7.002.1"] |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
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 Champaign?
Calamity.live data shows a weather event with CalamityScore 37/100, near Champaign (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.