This alert expired on 21 July 2026 at 03:15 UTC. It is kept here as a record.
It is the strongest of the 43 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 8 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 20 at 9:50PM CDT until July 20 at 10:15PM CDT by NWS Lincoln IL
An estimated 133,497 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 8, 2026 · score 28 · 20.4 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 80 % 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 | Medium |
| Calamity Score (ours) | 37 / 100 |
| Our confidence | 80% |
| Coordinates | 39.7500, -90.1743 |
| Nearest City | Jacksonville (5 km) |
| Population Exposed | 133.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-21T02:50:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.6457ee1fa86c1375615860ddf71fb8bcc844c3ed.002.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Morgan, IL |
| Headline | Severe Thunderstorm Warning issued July 20 at 9:50PM CDT until July 20 at 10:15PM CDT by NWS Lincoln IL |
| Expires | 2026-07-20T22:15:00-05:00 |
| SenderName | NWS Lincoln IL |
| 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 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 Jacksonville?
Calamity.live data shows a weather event with CalamityScore 37/100, near Jacksonville (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.