This alert expired on 15 March 2026 at 13:30 UTC. It is kept here as a record.
It is the 3rd strongest of the 121 detections recorded within 20 km of this point since 15 March 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued March 15 at 8:02AM CDT until March 15 at 8:30AM CDT by NWS Lincoln IL
An estimated 114,394 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 20, 2026 · score 43 · 10.8 km
- July 4, 2026 · score 43 · 15.3 km
- June 12, 2026 · score 37 · 19.8 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 78 % 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) | 43 / 100 |
| Our confidence | 78% |
| Coordinates | 40.0108, -89.6275 |
| Nearest City | Springfield (23 km) |
| Population Exposed | 114.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-15T13:02:00.000Z |
| Source | https://api.weather.gov/alerts/urn-oid-2_49_0_1_840_0_096582d8dd2af89046512f4706339a09d4fa9afd_001_1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Mason, IL; Menard, IL; Sangamon, IL |
| Headline | Severe Thunderstorm Warning issued March 15 at 8:02AM CDT until March 15 at 8:30AM CDT by NWS Lincoln IL |
| Expires | 2026-03-15T08:30:00-05:00 |
| 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 Springfield?
Calamity.live data shows a weather event with CalamityScore 43/100, near Springfield (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.