Right now
The most recent data we hold from NOAA arrived 27 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
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 60 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 15 March 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued March 15 at 8:29PM CDT until March 15 at 8:45PM CDT by NWS Lincoln IL
An estimated 60,825 people live within 50 km of this point.
Nearby, since 15 March 2026
- March 16, 2026 · score 39 · 0.4 km
- June 18, 2026 · score 39 · 12.0 km
- June 8, 2026 · score 39 · 16.7 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 39 out of 100, at 82 % 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 | 82% |
| Coordinates | 39.3682, -87.4264 |
| Nearest City | Terre Haute (11 km) |
| Population Exposed | 60.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-16T01:29:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.debcd27042c83024621a4b052a208cbe |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Clark, IL; Crawford, IL; Lawrence, IL; Carroll, IN; Clinton, IN; Montgomery, IN; Tippecanoe, IN; Clay, IN; Parke, IN; Vermillion, IN; Vigo, IN and 3 more areas |
| Headline | Severe Thunderstorm Warning issued March 15 at 8:29PM CDT until March 15 at 8:45PM CDT by NWS Lincoln IL |
| Expires | 2026-03-15T20:45:00-05:00 |
| SenderName | NWS Lincoln IL |
| HasExactCoords | true |
| MergedCount | 6 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.debcd27042c83024621a4b052a208cbe1416927d.002.1","noaa_urn:oid:2.49.0.1.840.0.d09967d2dfa94aa0d8d14afb8c60261bff4de47c.001.1","noaa_urn:oid:2.49.0.1.840.0.75c08ad54b03f3810fc49623b67d7b2a291fa9a9.001.1","noaa_urn:oid:2.49.0.1.840.0.f612295f6f5d93b2fb4b81a16db60bfe4ccc2bfd.001.1","noaa_urn:oid:2.49.0.1.840.0.95841798915f89fee0b93669f0c19363463778c2.001.1","noaa_urn:oid:2.49.0.1.840.0.076e7acffc54ded3511c1d0d23b27c78fe779e1c.001.1"] |
| Iem TypeSummary | N |
| Iem Magnitude | 54 |
| Iem Unit | MPH |
| Iem City | 3 SE Judson |
| Iem County | Parke |
| Iem State | IN |
| Iem Wfo | IND |
| Iem Remark | Mesonet station GW6913 ROCKVILLE. |
| MergedSources | [{"id":"iem_N_39.790_-87.090_1773605580000","source":"iem","severity":"low","severityValue":25,"timestamp":1773605580000,"latitude":39.79,"longitude":-87.09}] |
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 Terre Haute?
Calamity.live data shows a weather event with CalamityScore 39/100, near Terre Haute (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.