Right now
The most recent data we hold from NOAA arrived 8 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 June 2026 at 14:15 UTC. It is kept here as a record.
It is the 8th strongest of the 128 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 7 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued June 28 at 6:21AM CDT until June 28 at 9:15AM CDT by NWS Louisville KY
Urban PEI: 93,294 within a heuristic 50 km radius; not unique people.
Nearby, since 16 March 2026
- June 28, 2026 · score 39 · 10.6 km
- July 21, 2026 · score 63 · 27.5 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 39 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) | 39 / 100 |
| Legacy data-support index | 0.81/1 |
| Coordinates | 37.3452, -86.1844 |
| Nearest City | Bowling Green (46 km) |
| Urban exposure index (PEI) | 93.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-28T11:21:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.5ca0a5a2fbdf654a6661b3d1f6ba033d |
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: 2026-06-28T11:21:00.000Z.
First archived: 2026-06-28T11:25:58.254Z. 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 | Clinton, KY; Cumberland, KY; Metcalfe, KY; Campbell, TN; Claiborne, TN; Scott, TN; Adair, KY; Barren, KY; Clinton, KY; Cumberland, KY; Green, KY; Hart, KY; Metcalfe, KY; Russell, KY and 9 more areas |
| Headline | Flash Flood Warning issued June 28 at 6:21AM CDT until June 28 at 9:15AM CDT by NWS Louisville KY |
| Expires | 2026-06-28T09:15:00-05:00 |
| SenderName | NWS Louisville KY |
| HasExactCoords | true |
| MergedCount | 12 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.5ca0a5a2fbdf654a6661b3d1f6ba033d4dddd04a.001.1","noaa_urn:oid:2.49.0.1.840.0.3e04249d86d59f08220d4e604f9122379b4c3a64.001.1","noaa_urn:oid:2.49.0.1.840.0.c86c24529951bcda4eefb34a305b36fd11748d1b.001.1","noaa_urn:oid:2.49.0.1.840.0.27b0d7970b65581838b0eade67dd51bb148201e6.001.1","noaa_urn:oid:2.49.0.1.840.0.aa2c55b07ead1cbf91ccab16e42831ff254f9bb6.001.1","noaa_urn:oid:2.49.0.1.840.0.254679f92a805fc11161a476e7078c8ef25d6e22.001.1","noaa_urn:oid:2.49.0.1.840.0.5375612c6dccbbe15a988b698a38ad60e280d7d2.001.1","noaa_urn:oid:2.49.0.1.840.0.2a2d9eaa9e55466b0f0238b6b5f03bdc3512d9df.001.1","noaa_urn:oid:2.49.0.1.840.0.df98b73be6338799bf958182992dcf7a73a00cf8.001.1","noaa_urn:oid:2.49.0.1.840.0.583006aef1ff5412c83b98c6da750dc1c6bc9eda.001.1","noaa_urn:oid:2.49.0.1.840.0.cdfe409b32a34a5da2fec496660d6ed5d5870517.001.1","noaa_urn:oid:2.49.0.1.840.0.2850adac281c3f40171f29812131d5ec53849340.001.1"] |
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.
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