This alert expired on 11 July 2026 at 02:30 UTC. It is kept here as a record.
It is the 155th strongest of the 241 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 8 June 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 10 at 9:11PM CDT until July 10 at 9:30PM CDT by NWS St Louis MO
An estimated 1,032,382 people live within 50 km of this point.
Nearby, since 15 March 2026
- May 24, 2026 · score 48 · 5.2 km
- May 23, 2026 · score 48 · 6.8 km
- June 8, 2026 · score 48 · 9.1 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 52 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 | medium |
| Calamity Score (ours) | 52 / 100 |
| Our confidence | 80% |
| Coordinates | 38.8287, -89.9687 |
| Nearest City | Edwardsville (3 km) |
| Population Exposed | 1.0M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-11T02:11:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Madison, IL |
| Headline | Severe Thunderstorm Warning issued July 10 at 9:11PM CDT until July 10 at 9:30PM CDT by NWS St Louis MO |
| Expires | 2026-07-10T21:30:00-05:00 |
| SenderName | NWS St Louis MO |
| HasExactCoords | true |
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.
Calamity.live data shows a weather event with CalamityScore 52/100, near Edwardsville (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.