This alert expired on 18 June 2026 at 10:45 UTC. It is kept here as a record.
It is the 13th strongest of the 98 detections recorded within 20 km of this point since 11 March 2026. Another comparable one was recorded here earlier the same day. 32 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued June 18 at 3:17AM EDT until June 18 at 6:45AM EDT by NWS Charleston WV
An estimated 764,696 people live within 50 km of this point.
Nearby, since 11 March 2026
- June 18, 2026 · score 72 · 3.9 km
- June 18, 2026 · score 72 · 6.9 km
- March 11, 2026 · score 48 · 8.6 km
How we know
Confirmed by 13 independent sources, including NOAA.
Our own score for this event is 48 out of 100, at 90 % 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) | 48 / 100 |
| Our confidence | 90% |
| Coordinates | 39.1151, -84.5901 |
| Nearest City | Cincinnati (7 km) |
| Population Exposed | 764.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-18T07:17:00.000Z |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Vinton, OH; Adams, OH; Brown, OH; Highland, OH; Pike, OH; Ross, OH; Brown, OH; Clermont, OH and 4 more areas |
| Headline | Flash Flood Warning issued June 18 at 3:17AM EDT until June 18 at 6:45AM EDT by NWS Charleston WV |
| Expires | 2026-06-18T06:45:00-04:00 |
| SenderName | NWS Charleston WV |
| HasExactCoords | true |
| MergedCount | 7 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.e5c7b5132591eb016117f190da0a5d3f4352eb0e.001.1","noaa_urn:oid:2.49.0.1.840.0.0e9eba52f60c8069e04ad19b105a074026bd345f.001.1","noaa_urn:oid:2.49.0.1.840.0.e445130b938b6350a2711271e4143cbe45f0b059.001.1","noaa_urn:oid:2.49.0.1.840.0.32903ebbad157bdab9b55fbfe8a4cc9852abd323.001.1","noaa_urn:oid:2.49.0.1.840.0.1825bce4e35b67ac63e8f811fb3f70bb925d7151.001.1","noaa_urn:oid:2.49.0.1.840.0.1d0640ab472abc7be54a99f7ddd287dda1ebfb03.001.1","noaa_urn:oid:2.49.0.1.840.0.1a081ba86d84d3ef41ef9f1661d69e063b5d0789.001.1"] |
| Spc ReportType | wind |
| Spc Speed | 60 |
| Spc Location | 2 SE Hebron |
| Spc County | Boone |
| Spc State | KY |
| Spc Comments | ASOS station KCVG Cincinnati/Northern Kentucky International Airport. (ILN) |
| Iem TypeSummary | E |
| Iem City | 1 SW Saint Bernard |
| Iem County | Hamilton |
| 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 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 48/100, near Cincinnati (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.