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 18 June 2026 at 13:45 UTC. It is kept here as a record.
It is the 18th strongest of the 31 detections recorded within 20 km of this point since 17 May 2026. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued June 18 at 6:40AM EDT until June 18 at 9:45AM EDT by NWS Charleston WV
Urban PEI: 481,604 within a heuristic 50 km radius; not unique people.
Nearby, since 17 May 2026
- July 21, 2026 · score 72 · 14.6 km
- July 21, 2026 · score 72 · 19.5 km
- June 25, 2026 · score 43 · 21.6 km
How we know
10 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 37 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
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) | 37 / 100 |
| Legacy data-support index | 0.90/1 |
| Coordinates | 38.8773, -84.1443 |
| Nearest City | Fort Thomas (35 km) |
| Urban exposure index (PEI) | 481.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-18T10:40:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.097af40921ec3b9eaeaca57c61b88ce9 |
Physical priority index · v1. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-06-18T10:40:00.000Z.
First archived: 2026-06-18T10:42:03.545Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Vinton, OH; Athens, OH; Gallia, OH; Jackson, OH; Meigs, OH; Vinton, OH; Jackson, WV; Mason, WV; Wood, WV; Athens, OH and 7 more areas |
| Headline | Flash Flood Warning issued June 18 at 6:40AM EDT until June 18 at 9:45AM EDT by NWS Charleston WV |
| Expires | 2026-06-18T09:45:00-04:00 |
| SenderName | NWS Charleston WV |
| HasExactCoords | true |
| MergedCount | 10 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.097af40921ec3b9eaeaca57c61b88ce916c188d0.001.1","noaa_urn:oid:2.49.0.1.840.0.df6d0e51b1e422f455b79463a4926f5eec8b0990.001.1","noaa_urn:oid:2.49.0.1.840.0.ee30e24368e44149623b4261abefaefbf3be9f54.001.1","noaa_urn:oid:2.49.0.1.840.0.410ab1c52e275aad1e7891cdc0c10a0ceda48d5d.001.1","noaa_urn:oid:2.49.0.1.840.0.dc14edb8844a9dac5629ddcc993d68fdf09452d8.001.1","noaa_urn:oid:2.49.0.1.840.0.60d14a16760a0dc93173b5f42f00ebce378e0a24.001.1","noaa_urn:oid:2.49.0.1.840.0.12361a26c190f63440bf6c76c8923f3c1ea88338.001.1","noaa_urn:oid:2.49.0.1.840.0.118a0ef2420e8f018546a456740f76514675e246.001.1","noaa_urn:oid:2.49.0.1.840.0.261477e4b240d352ac26260311c503a3abdc69d0.001.1","noaa_urn:oid:2.49.0.1.840.0.2932c56cecb4c8a7e1597569e73eb1fc00a0aa26.001.1"] |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | Fairview |
| Spc County | Fleming |
| Spc State | KY |
| Spc Comments | A tree was reported to have been blown down onto Ewing Road in the Fairview community. The event time is radar estimated. (JKL) |
| Iem TypeSummary | F |
| Iem City | 3 NNW Batavia |
| Iem County | Clermont |
| Iem State | OH |
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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