Right now
The most recent data we hold from NOAA arrived 47 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 22 July 2026 at 00:45 UTC. It is kept here as a record.
It is the 6th strongest of the 15 detections recorded within 20 km of this point since 12 March 2026. The last comparable one was on 21 July 2026. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 21 at 7:04PM CDT until July 21 at 7:45PM CDT by NWS Nashville TN
Nearby, since 12 March 2026
- July 22, 2026 · score 16 · 0.1 km
- March 12, 2026 · score 22 · 9.3 km
- July 22, 2026 · score 22 · 14.9 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 16 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) | 16 / 100 |
| Legacy data-support index | 0.60/1 |
| Coordinates | 36.6617, -85.8002 |
| Nearest City | Cookeville (62 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-07-22T00:04:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.9aa5389db2f72f8703a137020c05dd01 |
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: 2026-07-22T00:04:00.000Z.
First archived: 2026-07-22T00:06:17.081Z. 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 | Clay, TN; Fentress, TN; Jackson, TN; Overton, TN; Pickett, TN; Allen, KY; Logan, KY; Simpson, KY; Warren, KY; Cumberland, KY; Metcalfe, KY; Monroe, KY and 2 more areas |
| Headline | Severe Thunderstorm Warning issued July 21 at 7:04PM CDT until July 21 at 7:45PM CDT by NWS Nashville TN |
| Expires | 2026-07-21T19:45:00-05:00 |
| SenderName | NWS Nashville TN |
| HasExactCoords | true |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.9aa5389db2f72f8703a137020c05dd015634bea8.001.1","noaa_urn:oid:2.49.0.1.840.0.04b44ef1cbd2fb905d3360d1d59e8651d1ac145c.001.1","noaa_urn:oid:2.49.0.1.840.0.12a9d4e702afb797d91097b8861bdcd267256424.001.1","noaa_urn:oid:2.49.0.1.840.0.63289c8fbc0e4a15ba7f596b322a9fad1aad83da.001.1","noaa_urn:oid:2.49.0.1.840.0.cd4a9df034021f601e835a37afd8cb417e290023.001.1"] |
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.
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