Right now
The most recent data we hold from NOAA arrived 1 minute 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 24 May 2026 at 21:00 UTC. It is kept here as a record.
No stronger detection stands among the 41 recorded within 20 km of this point since 24 May 2026 — 2 others scored the same. Another comparable one was recorded here earlier the same day. 13 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued May 24 at 6:50AM EDT until May 24 at 8:00PM EDT by NWS Cleveland OH
An estimated 109,899 people live within 50 km of this point.
Nearby, since 24 May 2026
- May 24, 2026 · score 43 · 0.0 km
- May 25, 2026 · score 39 · 9.3 km
- May 24, 2026 · score 39 · 13.6 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 | 39.2461, -85.5675 |
| Nearest City | Columbus (31 km) |
| Population Exposed | 109.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-24T21:00:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flood Warning_noaa_urn:oid:2.49.0.1.840.0.ebb43305b234f52a0a8219834d459456 |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Marion, OH; Holmes, OH; Wayne, OH; Pickaway, OH and 8 more areas |
| Headline | Flood Warning issued May 24 at 6:50AM EDT until May 24 at 8:00PM EDT by NWS Cleveland OH |
| Expires | 2026-05-24T17:00:00-04:00 |
| SenderName | NWS Cleveland OH |
| HasExactCoords | true |
| MergedCount | 15 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.ebb43305b234f52a0a8219834d4594561c3374b3.001.1","noaa_urn:oid:2.49.0.1.840.0.ebb43305b234f52a0a8219834d4594561c3374b3.002.1","noaa_urn:oid:2.49.0.1.840.0.3ec10f12335c6efc00b40b663ec1824242346c02.001.1","noaa_urn:oid:2.49.0.1.840.0.76f4ee78c903112691049e832e766bb9957de356.001.1","noaa_urn:oid:2.49.0.1.840.0.270b48037c8f0ea3be57ad4b111ea6b838f12777.005.1","noaa_urn:oid:2.49.0.1.840.0.270b48037c8f0ea3be57ad4b111ea6b838f12777.002.1","noaa_urn:oid:2.49.0.1.840.0.270b48037c8f0ea3be57ad4b111ea6b838f12777.001.1","noaa_urn:oid:2.49.0.1.840.0.270b48037c8f0ea3be57ad4b111ea6b838f12777.009.1","noaa_urn:oid:2.49.0.1.840.0.a98e182ea327fd777e25b5d999d2f5fb9487790b.001.1","noaa_urn:oid:2.49.0.1.840.0.3a27649821b9152fd210ef913a12e1639d915c53.001.1","noaa_urn:oid:2.49.0.1.840.0.270b48037c8f0ea3be57ad4b111ea6b838f12777.008.1","noaa_urn:oid:2.49.0.1.840.0.270b48037c8f0ea3be57ad4b111ea6b838f12777.007.1","noaa_urn:oid:2.49.0.1.840.0.270b48037c8f0ea3be57ad4b111ea6b838f12777.004.1","noaa_urn:oid:2.49.0.1.840.0.270b48037c8f0ea3be57ad4b111ea6b838f12777.006.1","noaa_urn:oid:2.49.0.1.840.0.270b48037c8f0ea3be57ad4b111ea6b838f12777.003.1"] |
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.
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