This alert is in force until 31 August 2026, 02:15 UTC.
It is the 7th strongest of the 58 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 29 August 2026.
What the source measured
NOAA reported: Flood Warning issued August 30 at 9:10AM CDT until August 31 at 1:00PM CDT by NWS Indianapolis IN
An estimated 18,012 people live within 50 km of this point.
Nearby, since 15 March 2026
- August 29, 2026 · score 34 · 2.9 km
- August 28, 2026 · score 34 · 2.9 km
- June 17, 2026 · score 34 · 8.8 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 out of 100, at 82 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 34 / 100 |
| Our confidence | 82% |
| Coordinates | 39.0100, -87.5757 |
| Nearest City | Vincennes (37 km) |
| Population Exposed | 18.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-30T14:10:00.000Z |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Crawford, IL; Lawrence, IL; Knox, IN; Sullivan, IN |
| Headline | Flood Warning issued August 30 at 9:10AM CDT until August 31 at 1:00PM CDT by NWS Indianapolis IN |
| Expires | 2026-08-30T21:15:00-05:00 |
| SenderName | NWS Indianapolis IN |
| 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 10 February 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.
Calamity.live data shows a weather event with CalamityScore 34/100, near Vincennes (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 194 scientific monitoring sources.