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 4 July 2026 at 04:00 UTC. It is kept here as a record.
No stronger detection stands among the 20 recorded within 20 km of this point since 28 April 2026 — 12 others scored the same. The last comparable one was on 28 April 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 3 at 11:27PM EDT until July 4 at 12:00AM EDT by NWS Jackson KY
Nearby, since 28 April 2026
- July 4, 2026 · score 22 · 1.0 km
- July 20, 2026 · score 16 · 7.7 km
How we know
2 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 22 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) | 22 / 100 |
| Legacy data-support index | 0.64/1 |
| Coordinates | 36.8900, -83.5400 |
| Nearest City | Morristown (79 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-07-04T03:27:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.145516ec357b5a7d2698f59333a8da26f2cd6767.001.1 |
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: 2026-07-04T03:27:00.000Z.
First archived: 2026-07-04T03:39:00.586Z. 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 | Bell, KY; Clay, KY; Harlan, KY; Knox, KY; Leslie, KY |
| Headline | Severe Thunderstorm Warning issued July 3 at 11:27PM EDT until July 4 at 12:00AM EDT by NWS Jackson KY |
| Expires | 2026-07-04T00:00:00-04:00 |
| SenderName | NWS Jackson KY |
| HasExactCoords | true |
| Iem TypeSummary | D |
| Iem City | 2 NE La Follette |
| Iem County | Campbell |
| Iem State | TN |
| Iem Wfo | MRX |
| Iem Remark | County dispatch reports several trees down across portions of Campbell County, time estimated by radar. |
| MergedSources | [{"id":"iem_D_36.390_-84.100_1783127400000","source":"iem","severity":"low","severityValue":25,"timestamp":1783127400000,"latitude":36.39,"longitude":-84.1}] |
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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