Right now
The most recent data we hold from NOAA arrived 6 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 23 May 2026 at 04:30 UTC. It is kept here as a record.
It is the 2nd strongest of the 87 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 19 May 2026. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued May 22 at 8:30PM CDT until May 22 at 11:30PM CDT by NWS Louisville KY
An estimated 953,023 people live within 50 km of this point.
Nearby, since 16 March 2026
- May 23, 2026 · score 48 · 0.0 km
- June 27, 2026 · score 48 · 4.9 km
- July 11, 2026 · score 48 · 6.3 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 48 out of 100, at 84 % 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) | 48 / 100 |
| Our confidence | 84% |
| Coordinates | 38.1581, -85.4087 |
| Nearest City | Jeffersontown (14 km) |
| Population Exposed | 953.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-23T01:30:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.0564b263a352dbbbff6e38a6371f2a3e |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Breckinridge, KY; Boone, KY; Campbell, KY; Gallatin, KY; Grant, KY; Kenton, KY; Owen, KY; Pendleton, KY; Franklin, KY; Shelby, KY |
| Headline | Flash Flood Warning issued May 22 at 8:30PM CDT until May 22 at 11:30PM CDT by NWS Louisville KY |
| Expires | 2026-05-22T23:30:00-05:00 |
| SenderName | NWS Louisville KY |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.0564b263a352dbbbff6e38a6371f2a3e67537449.001.1","noaa_urn:oid:2.49.0.1.840.0.91660cf8dbecbcfba904fa9b153bbe445c7ff013.001.1","noaa_urn:oid:2.49.0.1.840.0.f08797503c102c628cd689d274079295861627b4.001.1"] |
| Iem TypeSummary | F |
| Iem City | 1 W Graefenburg |
| Iem County | Shelby |
| Iem State | KY |
| Iem Wfo | LMK |
| Iem Remark | Water flowing over Bardstown Trail. Road is closed. |
| MergedSources | [{"id":"iem_F_38.150_-85.050_1779492600000","source":"iem","severity":"low","severityValue":25,"timestamp":1779492600000,"latitude":38.15,"longitude":-85.05}] |
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.
Want to know when something happens near Jeffersontown?
Calamity.live data shows a weather event with CalamityScore 48/100, near Jeffersontown (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.