Right now
The most recent data we hold from NOAA arrived 2 hours 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 21:45 UTC. It is kept here as a record.
It is the 20th strongest of the 29 detections recorded within 20 km of this point since 12 March 2026. The last comparable one was on 9 June 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 3 at 5:31PM EDT until July 3 at 5:45PM EDT by NWS Morristown TN
Urban PEI: 913,217 within a heuristic 50 km radius; not unique people.
Nearby, since 12 March 2026
- July 22, 2026 · score 48 · 7.1 km
- March 12, 2026 · score 48 · 14.9 km
- July 22, 2026 · score 52 · 20.3 km
How we know
3 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 41 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) | 41 / 100 |
| Legacy data-support index | 0.88/1 |
| Coordinates | 36.5175, -86.5396 |
| Nearest City | Gallatin (16 km) |
| Urban exposure index (PEI) | 913.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-03T21:31:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.70c3eaa87ede2467c8265e2a3a27ca50 |
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: 2026-07-03T21:31:00.000Z.
First archived: 2026-07-03T21:35:06.537Z. 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 | McMinn, TN; Meigs, TN; Rhea, TN; Davidson, TN; Rutherford, TN; Williamson, TN; Wilson, TN; Limestone, AL; Madison, AL; Morgan, AL and 3 more areas |
| Headline | Severe Thunderstorm Warning issued July 3 at 5:31PM EDT until July 3 at 5:45PM EDT by NWS Morristown TN |
| Expires | 2026-07-03T17:45:00-04:00 |
| SenderName | NWS Morristown TN |
| HasExactCoords | true |
| MergedCount | 7 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.70c3eaa87ede2467c8265e2a3a27ca503aeb2089.001.1","noaa_urn:oid:2.49.0.1.840.0.8b71e20fcf18b476b8e60f9466e3cf9cd040171a.001.1","noaa_urn:oid:2.49.0.1.840.0.463158ac57ba56cb53e1e9c6a230cd8d74bb514e.001.1","noaa_urn:oid:2.49.0.1.840.0.b050adda79bbce16328d87a2a51335f1545cc057.001.1","noaa_urn:oid:2.49.0.1.840.0.f5cb76eb18b7e0e2af14873e13f32e354d639380.001.1","noaa_urn:oid:2.49.0.1.840.0.65291bbd833a6b9b87da8114516bad97f13be461.001.1","noaa_urn:oid:2.49.0.1.840.0.2eac37b1d11b3caa7eb0422f6c784587ebe7dac8.001.1"] |
| Iem TypeSummary | D |
| Iem City | Lewisburg |
| Iem County | Logan |
| Iem State | KY |
| Iem Wfo | LMK |
| Iem Remark | Reports of trees down in Lewisburg from dispatch. |
| MergedSources | [{"id":"iem_D_36.670_-86.850_1783102080000","source":"iem","severity":"low","severityValue":25,"timestamp":1783102080000,"latitude":36.67,"longitude":-86.85},{"id":"iem_D_36.990_-86.950_1783105020000","source":"iem","severity":"low","severityValue":25,"timestamp":1783105020000,"latitude":36.99,"longitude":-86.95}] |
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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