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 3 July 2026 at 20:30 UTC. It is kept here as a record.
It is the 7th strongest of the 16 detections recorded within 20 km of this point since 12 March 2026. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 3 at 3:21PM CDT until July 3 at 3:30PM CDT by NWS Louisville KY
Urban PEI: 40,445 within a heuristic 50 km radius; not unique people.
Nearby, since 12 March 2026
- March 12, 2026 · score 43 · 12.0 km
- July 3, 2026 · score 43 · 17.9 km
- June 9, 2026 · score 43 · 23.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 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) | 34 / 100 |
| Legacy data-support index | 0.78/1 |
| Coordinates | 35.5028, -85.9604 |
| Nearest City | Tullahoma (28 km) |
| Urban exposure index (PEI) | 40.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-03T20:21:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.a544d1afa72d3e42dc6ccf087056acb2 |
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: 2026-07-03T20:21:00.000Z.
First archived: 2026-07-03T20:23:22.757Z. 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 | Butler, KY; Ohio, KY; Rutherford, TN; Williamson, TN; Dickson, TN; Hickman, TN; Humphreys, TN and 10 more areas |
| Headline | Severe Thunderstorm Warning issued July 3 at 3:21PM CDT until July 3 at 3:30PM CDT by NWS Louisville KY |
| Expires | 2026-07-03T15:30:00-05:00 |
| SenderName | NWS Louisville KY |
| HasExactCoords | true |
| MergedCount | 14 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.a544d1afa72d3e42dc6ccf087056acb238311424.001.1","noaa_urn:oid:2.49.0.1.840.0.6abecdf55e080df57fe3f46f90dbe34f822c1f5b.001.1","noaa_urn:oid:2.49.0.1.840.0.e9e15150386ca7c1bedd2f89038822f0266893fe.001.1","noaa_urn:oid:2.49.0.1.840.0.37a1548ed60f2e95f9bfbd2372fe9807c5885c1b.001.1","noaa_urn:oid:2.49.0.1.840.0.af8269cccd8d046f9eae4b13819a8ac1cccca84a.002.1","noaa_urn:oid:2.49.0.1.840.0.cd179faf6ab45593d909befd9a9383260a1bb904.001.1","noaa_urn:oid:2.49.0.1.840.0.c0eef34ce9dda656bd48036e998ed35fe450aa61.001.1","noaa_urn:oid:2.49.0.1.840.0.860ab37e7ab011e496993060cbc0cbee4ff18a15.001.1","noaa_urn:oid:2.49.0.1.840.0.3060e877e1ff6c2a270ae63b76240795a704c282.001.1","noaa_urn:oid:2.49.0.1.840.0.4f3ad139e9bfbd50da605bfe881f502538f40fa2.001.1","noaa_urn:oid:2.49.0.1.840.0.be6abee50257fb70cd21ba90ed39db1f9770c557.001.1","noaa_urn:oid:2.49.0.1.840.0.8262ef0b379057c4cf8ae08324d6fe2cd3928f35.001.1","noaa_urn:oid:2.49.0.1.840.0.efa814f9dc72c813417f8815e1a2ca56bc5981be.001.1","noaa_urn:oid:2.49.0.1.840.0.134224582c5a3a5bdebea941b0e02ae2ad433de7.002.1"] |
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.
Review the area, threshold and delivery channel in your account.
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