This alert expired on 13 May 2026 at 08:15 UTC. It is kept here as a record.
It is the 18th strongest of the 136 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 5 May 2026. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued May 12 at 1:01PM EDT until May 14 at 3:42PM EDT by NWS Indianapolis IN
Nearby, since 16 March 2026
- May 13, 2026 · score 22 · 0.0 km
- June 26, 2026 · score 22 · 5.2 km
- June 25, 2026 · score 22 · 5.2 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 61 % 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) | 22 / 100 |
| Our confidence | 61% |
| Coordinates | 38.9181, -88.6512 |
| Nearest City | Mattoon (67 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-12T17:01:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flood Warning_noaa_urn:oid:2.49.0.1.840.0.dec0dd569a17710b5b3bc88246c2816c |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Daviess, IN; Gibson, IN; Knox, IN; Pike, IN; Gibson, IN; Knox, IN; Clinton, IL and 1 more areas |
| Headline | Flood Warning issued May 12 at 1:01PM EDT until May 14 at 3:42PM EDT by NWS Indianapolis IN |
| Expires | 2026-05-13T04:15:00-04:00 |
| SenderName | NWS Indianapolis IN |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.dec0dd569a17710b5b3bc88246c2816c2dc8e897.003.1","noaa_urn:oid:2.49.0.1.840.0.dec0dd569a17710b5b3bc88246c2816c2dc8e897.002.1","noaa_urn:oid:2.49.0.1.840.0.4f326f4fcfae8d72807e1db81b035d836c14a9ad.001.1","noaa_urn:oid:2.49.0.1.840.0.0c23bdecc4d516d7756f75138dd5dbcaced8f3b5.001.1"] |
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.
Want to know when something happens in this area?
Calamity.live data shows a weather event with CalamityScore 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.