This alert expired on 18 June 2026 at 09:15 UTC. It is kept here as a record.
It is the 11th strongest of the 22 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 8 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 18 at 4:40AM EDT until June 18 at 5:15AM EDT by NWS Louisville KY
An estimated 87,566 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 21, 2026 · score 63 · 12.3 km
- May 16, 2026 · score 43 · 12.6 km
- July 28, 2026 · score 43 · 13.1 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 32 out of 100, at 79 % 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) | 32 / 100 |
| Our confidence | 79% |
| Coordinates | 38.5021, -84.6391 |
| Nearest City | Georgetown (33 km) |
| Population Exposed | 87.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-18T08:40:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.5a842ebc17eefb5a54ffd62ba0730720 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Clark, IN; Crawford, IN; Floyd, IN; Harrison, IN; Perry, IN; Bullitt, KY; Hardin, KY; Jefferson, KY; Meade, KY; Oldham, KY; Spencer, KY; Bracken, KY; Pendleton, KY; Robertson, KY; Clermont, OH; Bracken, KY; Mason, KY; Robertson, KY; Adams, OH; Brown, OH and 3 more areas |
| Headline | Severe Thunderstorm Warning issued June 18 at 4:40AM EDT until June 18 at 5:15AM EDT by NWS Louisville KY |
| Expires | 2026-06-18T05:15:00-04:00 |
| SenderName | NWS Louisville KY |
| HasExactCoords | true |
| MergedCount | 6 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.5a842ebc17eefb5a54ffd62ba073072036965e2b.001.1","noaa_urn:oid:2.49.0.1.840.0.025426f3f7e7d9ac38380e3644b44002a22317ef.002.1","noaa_urn:oid:2.49.0.1.840.0.7e3b6a3e2200e54361b5060c899a899ba785cc64.001.1","noaa_urn:oid:2.49.0.1.840.0.5933ba9e0dc27b1f6303edb287d519efbcf393e6.001.1","noaa_urn:oid:2.49.0.1.840.0.e789dac89df462df8fa3e688fcb8e60d77ae73e6.001.1","noaa_urn:oid:2.49.0.1.840.0.31cd1c0f3bc9be185d9029a8f447ca2d793374e3.001.1"] |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
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 in this area?
Calamity.live data shows a weather event with CalamityScore 32/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.