This alert expired on 23 May 2026 at 01:45 UTC. It is kept here as a record.
It is the 4th strongest of the 58 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 19 May 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued May 22 at 6:40PM EDT until May 22 at 9:45PM EDT by NWS Louisville KY
An estimated 417,434 people live within 50 km of this point.
Nearby, since 16 March 2026
- August 11, 2026 · score 48 · 4.8 km
- July 21, 2026 · score 63 · 17.1 km
- July 11, 2026 · score 43 · 22.5 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 80 % 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) | 43 / 100 |
| Our confidence | 80% |
| Coordinates | 38.1942, -84.9958 |
| Nearest City | Frankfort (11 km) |
| Population Exposed | 417.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-22T22:40:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.f08797503c102c628cd689d274079295861627b4.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Franklin, KY; Shelby, KY |
| Headline | Flash Flood Warning issued May 22 at 6:40PM EDT until May 22 at 9:45PM EDT by NWS Louisville KY |
| Expires | 2026-05-22T21:45:00-04:00 |
| SenderName | NWS Louisville KY |
| HasExactCoords | true |
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.
Want to know when something happens near Frankfort?
Calamity.live data shows a weather event with CalamityScore 43/100, near Frankfort (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.