Right now
The most recent data we hold from NOAA arrived this minute, 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 16 May 2026 at 23:00 UTC. It is kept here as a record.
It is the 2nd strongest of the 351 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 16 at 6:27PM EDT until May 16 at 7:00PM EDT by NWS Louisville KY
Urban PEI: 924,632 within a heuristic 50 km radius; not unique people.
Nearby, since 15 March 2026
- June 18, 2026 · score 41 · 5.6 km
- June 18, 2026 · score 48 · 6.0 km
- May 16, 2026 · score 48 · 8.6 km
How we know
2 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 48 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) | 48 / 100 |
| Legacy data-support index | 0.83/1 |
| Coordinates | 38.3352, -85.5617 |
| Nearest City | Saint Matthews (13 km) |
| Urban exposure index (PEI) | 924.6K within 50 km |
| Impact Tier | significant |
| Date | 2026-05-16 — time not reported by the source |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.15ddd43c9a577feb24b9efa236f212dc |
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: 2026-05-16 — time not reported.
First archived: 2026-05-16T22:28:23.553Z. 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 | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Clark, IN; Jefferson, KY; Oldham, KY |
| Headline | Severe Thunderstorm Warning issued May 16 at 6:27PM EDT until May 16 at 7:00PM EDT by NWS Louisville KY |
| Expires | 2026-05-16T19:00:00-04:00 |
| SenderName | NWS Louisville KY |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.15ddd43c9a577feb24b9efa236f212dc5ff7a9d9.001.1","noaa_urn:oid:2.49.0.1.840.0.feba45edde1af2a7c9aac63676182f6fa370f7aa.001.1"] |
| Google News RssFeed | weather |
| Google News SourceName | WLKY |
| MergedSources | [{"id":"gnews_weather_494153_179","source":"google_news","severity":"medium","severityValue":40,"timestamp":1778953860000,"latitude":38.25,"longitude":-85.76}] |
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.
Review the area, threshold and delivery channel in your account.
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