This alert expired on 16 March 2026 at 01:45 UTC. It is kept here as a record.
It is the 3rd strongest of the 41 detections recorded within 20 km of this point since 16 March 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued March 15 at 8:02PM CDT until March 15 at 8:45PM CDT by NWS Chicago IL
An estimated 92,933 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 4, 2026 · score 34 · 11.9 km
- July 11, 2026 · score 34 · 16.2 km
- June 10, 2026 · score 39 · 16.8 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 39 out of 100, at 88 % 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) | 39 / 100 |
| Our confidence | 88% |
| Coordinates | 39.8943, -87.5732 |
| Nearest City | Danville (26 km) |
| Population Exposed | 92.9K within 50 km |
| Impact Tier | significant |
| Date | 2026-03-16 — time not reported by the source |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.6877ed3965eab7bd71f36f25a46deb87 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Iroquois, IL; Benton, IN; Newton, IN; Edgar, IL; Fountain, IN; Parke, IN; Vermillion, IN; Warren, IN and 1 more areas |
| Headline | Severe Thunderstorm Warning issued March 15 at 8:02PM CDT until March 15 at 8:45PM CDT by NWS Chicago IL |
| Expires | 2026-03-15T20:45:00-05:00 |
| SenderName | NWS Chicago IL |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.6877ed3965eab7bd71f36f25a46deb8799c91c46.001.1","noaa_urn:oid:2.49.0.1.840.0.bd48a44844dd9b502c93ed085d3f27442a747490.002.1","noaa_urn:oid:2.49.0.1.840.0.f9a07c0a61a14c0f14f0a0bffae64b051833c0ff.001.1","noaa_urn:oid:2.49.0.1.840.0.62d6daaf0db77326412246ebe7b8acd5b24231bd.001.1"] |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | 1 ESE Tolono |
| Spc County | Champaign |
| Spc State | IL |
| Spc Comments | tree fell on a home. (ILX) |
| Iem TypeSummary | N |
| Iem Magnitude | 54 |
| Iem Unit | MPH |
| Iem City | 3 SE Judson |
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 Danville?
Calamity.live data shows a weather event with CalamityScore 39/100, near Danville (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.