Reported by SPC 170 days ago.
No stronger detection stands among the 97 recorded within 20 km of this point since 15 March 2026 — 35 others scored the same. Another comparable one was recorded here earlier the same day. 18 more were recorded here in the fortnight before it.
What the source measured
SPC reported: Wind UNK kt near 2 S Chatham, Sangamon, IL. Powerlines down. (ILX)
An estimated 133,497 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 23, 2026 · score 43 · 11.9 km
- July 2, 2026 · score 43 · 16.0 km
How we know
One source: SPC. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 81 % 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 | 81% |
| Coordinates | 39.6400, -89.7000 |
| Nearest City | Springfield (19 km) |
| Population Exposed | 133.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-16T07:09:51.623Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | wind |
| Speed | UNK |
| Location | 2 S Chatham |
| County | Sangamon |
| State | IL |
| Comments | Powerlines down. (ILX) |
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 spc. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.