Right now
The most recent data we hold from NOAA arrived 8 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 11 July 2026 at 09:15 UTC. It is kept here as a record.
It is the 3rd strongest of the 48 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 5 July 2026. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued July 11 at 1:08AM CDT until July 11 at 4:15AM CDT by NWS Lincoln IL
An estimated 82,021 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 27, 2026 · score 39 · 3.5 km
- March 16, 2026 · score 39 · 19.5 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 39 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) | 39 / 100 |
| Our confidence | 81% |
| Coordinates | 39.4233, -87.6367 |
| Nearest City | Terre Haute (20 km) |
| Population Exposed | 82.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-11T06:08:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.cdccae8230520041181176242895493fcd8d50d9.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Clark, IL |
| Headline | Flash Flood Warning issued July 11 at 1:08AM CDT until July 11 at 4:15AM CDT by NWS Lincoln IL |
| Expires | 2026-07-11T04:15:00-05:00 |
| SenderName | NWS Lincoln IL |
| HasExactCoords | true |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
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.