Right now
The most recent data we hold from NOAA arrived 2 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 28 May 2026 at 01:36 UTC. It is kept here as a record.
It is the 9th strongest of the 53 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 25 May 2026. 9 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued May 27 at 9:26PM EDT until May 27 at 9:30PM EDT by NWS Wilmington OH
An estimated 491,027 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 18, 2026 · score 72 · 13.9 km
- August 7, 2026 · score 43 · 15.8 km
- August 7, 2026 · score 48 · 16.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 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) | 43 / 100 |
| Our confidence | 81% |
| Coordinates | 39.3503, -83.9653 |
| Nearest City | Lebanon (22 km) |
| Population Exposed | 491.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-28T08:00:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flood Warning_noaa_urn:oid:2.49.0.1.840.0.e1456590119688dfca3dd12870e6a04d |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Champaign, OH; Clark, OH; Greene, OH; Delaware, IN; Randolph, IN; Johnson, IN and 11 more areas |
| Headline | Flood Warning issued May 27 at 9:26PM EDT until May 27 at 9:30PM EDT by NWS Wilmington OH |
| Expires | 2026-05-27T21:36:00-04:00 |
| SenderName | NWS Wilmington OH |
| HasExactCoords | true |
| MergedCount | 16 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.e1456590119688dfca3dd12870e6a04d93cab16f.001.1","noaa_urn:oid:2.49.0.1.840.0.1cb5d2b80b96131697c6ca73bced239c9057be29.001.1","noaa_urn:oid:2.49.0.1.840.0.60dc3d3fb034998a5a3e5ff295cb67695b9ad1e3.001.1","noaa_urn:oid:2.49.0.1.840.0.dd368c6eb2744bead4e18759050d02fcd33b2093.001.1","noaa_urn:oid:2.49.0.1.840.0.903c80a95d072796c4d915aac596f21bc6e48cbc.001.1","noaa_urn:oid:2.49.0.1.840.0.75afbf380812123763f87d6e7c9b286259b9a583.001.1","noaa_urn:oid:2.49.0.1.840.0.99277c86fb4aa9b9ff47fcf8164e36f21da3d872.001.1","noaa_urn:oid:2.49.0.1.840.0.cc60aa4b6e6571874e7eb23ef170fe8136d2b7aa.004.1","noaa_urn:oid:2.49.0.1.840.0.cc60aa4b6e6571874e7eb23ef170fe8136d2b7aa.005.1","noaa_urn:oid:2.49.0.1.840.0.cc60aa4b6e6571874e7eb23ef170fe8136d2b7aa.001.1","noaa_urn:oid:2.49.0.1.840.0.cc60aa4b6e6571874e7eb23ef170fe8136d2b7aa.003.1","noaa_urn:oid:2.49.0.1.840.0.cc60aa4b6e6571874e7eb23ef170fe8136d2b7aa.002.1","noaa_urn:oid:2.49.0.1.840.0.0bec3a89550e7a6ee163f1f6295cf019fb831ea3.001.1","noaa_urn:oid:2.49.0.1.840.0.7df455fbc0aa15563468c61867310ea250827be5.001.1","noaa_urn:oid:2.49.0.1.840.0.74794636c2f90d6f11a32a8167229ca5b2c93fd8.001.1","noaa_urn:oid:2.49.0.1.840.0.4bc97b66837d9672e10ca4f43f81904e0a6c2ac9.001.1"] |
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 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 Lebanon?
Calamity.live data shows a weather event with CalamityScore 43/100, near Lebanon (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.