This alert expired on 25 May 2026 at 16:00 UTC. It is kept here as a record.
It is the 11th strongest of the 20 detections recorded within 20 km of this point since 12 March 2026. The last comparable one was on 12 March 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued May 25 at 1:39AM EDT until May 26 at 2:00AM EDT by NWS Wilmington OH
Nearby, since 12 March 2026
- August 7, 2026 · score 22 · 3.8 km
- May 28, 2026 · score 34 · 11.0 km
- March 12, 2026 · score 34 · 12.1 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 60 % 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 | 60% |
| Coordinates | 39.1923, -83.6131 |
| Nearest City | Chillicothe (57 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-25T07:30:00.000Z |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Franklin, OH; Pickaway, OH; Bracken, KY; Mason, KY; Robertson, KY; Pickaway, OH and 18 more areas |
| Headline | Flood Warning issued May 25 at 1:39AM EDT until May 26 at 2:00AM EDT by NWS Wilmington OH |
| Expires | 2026-05-25T12:00:00-04:00 |
| SenderName | NWS Wilmington OH |
| HasExactCoords | true |
| MergedCount | 24 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.308fe0a5dafb8078eecc10a5d689010a4b45eb0b.003.1","noaa_urn:oid:2.49.0.1.840.0.308fe0a5dafb8078eecc10a5d689010a4b45eb0b.001.1","noaa_urn:oid:2.49.0.1.840.0.308fe0a5dafb8078eecc10a5d689010a4b45eb0b.002.1","noaa_urn:oid:2.49.0.1.840.0.0b4c26059448f4b07439b6bc41317a9d30270c77.001.1","noaa_urn:oid:2.49.0.1.840.0.383a0fd99671a3e42b2765528219b474fb59af16.007.1","noaa_urn:oid:2.49.0.1.840.0.383a0fd99671a3e42b2765528219b474fb59af16.001.1","noaa_urn:oid:2.49.0.1.840.0.383a0fd99671a3e42b2765528219b474fb59af16.006.1","noaa_urn:oid:2.49.0.1.840.0.383a0fd99671a3e42b2765528219b474fb59af16.005.1","noaa_urn:oid:2.49.0.1.840.0.383a0fd99671a3e42b2765528219b474fb59af16.003.1","noaa_urn:oid:2.49.0.1.840.0.970b8e3e00c39c42199c7f34601a639fafdc2741.002.1","noaa_urn:oid:2.49.0.1.840.0.d3adabe660c10af8d84197c4bc9336e18e158451.001.1","noaa_urn:oid:2.49.0.1.840.0.b8094bcc0e8788970205c98d13798f08834705eb.001.1","noaa_urn:oid:2.49.0.1.840.0.4484b7db4f7878c2760cae0e97541936276c943d.001.1","noaa_urn:oid:2.49.0.1.840.0.3eee65137113c53401330a7957412baa7a150df3.001.1","noaa_urn:oid:2.49.0.1.840.0.17f009f4c58fe119d0733706381887c4b756ba22.001.1","noaa_urn:oid:2.49.0.1.840.0.591e5440d840eb99b2aa6979c3e7310a16a1954e.001.1","noaa_urn:oid:2.49.0.1.840.0.cf497298599d40420a170ad1f82b688863966341.001.1","noaa_urn:oid:2.49.0.1.840.0.ff05efb596c95caf4211a282aa9d906681c6ad70.001.1","noaa_urn:oid:2.49.0.1.840.0.d25d09c076d265fddb83b649883c459b84c586f6.001.1","noaa_urn:oid:2.49.0.1.840.0.edcd3ee1d330de3fe84e469ba4c67b0537f3aacb.001.1","noaa_urn:oid:2.49.0.1.840.0.7cc608a53d62d2213d6cf3f8edb11eb85317e371.001.1","noaa_urn:oid:2.49.0.1.840.0.27c7c152fe929606dbb8e3b21cff83ebd24ac43d.001.1","noaa_urn:oid:2.49.0.1.840.0.383a0fd99671a3e42b2765528219b474fb59af16.002.1","noaa_urn:oid:2.49.0.1.840.0.383a0fd99671a3e42b2765528219b474fb59af16.004.1"] |
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.
Calamity.live data shows a weather event with CalamityScore 22/100, near Chillicothe (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 194 scientific monitoring sources.