This alert expired on 16 March 2026 at 02:00 UTC. It is kept here as a record.
It is the 14th strongest of the 57 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued March 15 at 9:13PM EDT until March 15 at 10:00PM EDT by NWS Indianapolis IN
An estimated 48,132 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 4, 2026 · score 34 · 9.5 km
- August 11, 2026 · score 67 · 10.0 km
- June 10, 2026 · score 39 · 10.5 km
How we know
Confirmed by 5 independent sources, including NOAA.
Our own score for this event is 34 out of 100, at 89 % 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) | 34 / 100 |
| Our confidence | 89% |
| Coordinates | 39.9279, -87.4087 |
| Nearest City | Danville (28 km) |
| Population Exposed | 48.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-16T01:13:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.44547f67c1981b2ccf4f5b9cc8b12b37 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Carroll, IN; Clinton, IN; Montgomery, IN; Tippecanoe, IN; Benton, IN; Newton, IN; Edgar, IL and 3 more areas |
| Headline | Severe Thunderstorm Warning issued March 15 at 9:13PM EDT until March 15 at 10:00PM EDT by NWS Indianapolis IN |
| Expires | 2026-03-15T22:00:00-04:00 |
| SenderName | NWS Indianapolis IN |
| HasExactCoords | true |
| MergedCount | 7 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.44547f67c1981b2ccf4f5b9cc8b12b374bc3cf34.001.1","noaa_urn:oid:2.49.0.1.840.0.15205be255d728a57e4a4c8293e9d228664daed6.002.1","noaa_urn:oid:2.49.0.1.840.0.076e7acffc54ded3511c1d0d23b27c78fe779e1c.001.1","noaa_urn:oid:2.49.0.1.840.0.b548c85c3de63b3019fec02c72b6489b5e7012a0.001.1","noaa_urn:oid:2.49.0.1.840.0.76dc4de1899e7006a0759b1ceb97bd145647d2ba.001.1","noaa_urn:oid:2.49.0.1.840.0.bd48a44844dd9b502c93ed085d3f27442a747490.002.1","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 34/100, near Danville (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.