Right now
The most recent data we hold from NOAA arrived 1 minute 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 21 July 2026 at 23:00 UTC. It is kept here as a record.
No stronger detection stands among the 39 recorded within 20 km of this point since 16 March 2026 — 5 others scored the same. The last comparable one was on 20 July 2026. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued July 21 at 5:31PM CDT until July 21 at 6:00PM CDT by NWS Louisville KY
Nearby, since 16 March 2026
- July 20, 2026 · score 22 · 10.9 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 46 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 | Critical |
| Calamity Score (ours) | 46 / 100 |
| Legacy data-support index | 0.59/1 |
| Coordinates | 36.9961, -85.1653 |
| Nearest City | Danville (81 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-07-21T22:31:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.76de14a3ca594f6bf4e7f8e5635f37cb |
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: 2026-07-21T22:31:00.000Z.
First archived: 2026-07-21T22:38:59.755Z. 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 | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Metcalfe, KY; Laurel, KY; Pulaski, KY; Rockcastle, KY; Adair, KY; Green, KY; Metcalfe, KY |
| Headline | Tornado Warning issued July 21 at 5:31PM CDT until July 21 at 6:00PM CDT by NWS Louisville KY |
| Expires | 2026-07-21T18:00:00-05:00 |
| SenderName | NWS Louisville KY |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.76de14a3ca594f6bf4e7f8e5635f37cb27c6f5bd.001.1","noaa_urn:oid:2.49.0.1.840.0.ec6ce8306b108ce98b97c431d24eb10920207f6e.001.1","noaa_urn:oid:2.49.0.1.840.0.f4d8213ff7becdceaa060efc80c910e6a792c69b.002.1"] |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
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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