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 21:15 UTC. It is kept here as a record.
No stronger detection stands among the 27 recorded within 20 km of this point since 16 March 2026 — 10 others scored the same. 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 3:55PM CDT until July 3 at 4:15PM CDT by NWS Huntsville AL
Urban PEI: 1,208,685 within a heuristic 50 km radius; not unique people.
Nearby, since 16 March 2026
- July 3, 2026 · score 52 · 9.5 km
- July 11, 2026 · score 52 · 10.7 km
- July 17, 2026 · score 41 · 15.8 km
How we know
2 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 52 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) | 52 / 100 |
| Legacy data-support index | 0.82/1 |
| Coordinates | 35.7906, -86.4970 |
| Nearest City | Murfreesboro (12 km) |
| Urban exposure index (PEI) | 1.2M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-03T20:55:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.aaca63d42a1cde60a1d4c9d3fec7261c |
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: 2026-07-03T20:55:00.000Z.
First archived: 2026-07-03T21:04:17.250Z. 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 | Madison, AL; Lincoln, TN; Bradley, TN; Hamilton, TN; McMinn, TN; Meigs, TN; Rhea, TN; Giles, TN and 7 more areas |
| Headline | Severe Thunderstorm Warning issued July 3 at 3:55PM CDT until July 3 at 4:15PM CDT by NWS Huntsville AL |
| Expires | 2026-07-03T16:15:00-05:00 |
| SenderName | NWS Huntsville AL |
| HasExactCoords | true |
| MergedCount | 10 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.aaca63d42a1cde60a1d4c9d3fec7261c3098ddb6.001.1","noaa_urn:oid:2.49.0.1.840.0.b3cf30305946eb5c0e6e2fa842bb9c70fad2f52d.001.1","noaa_urn:oid:2.49.0.1.840.0.8eb5d17b9bc2ebf977ed1e9be717b8be4ad508a6.001.1","noaa_urn:oid:2.49.0.1.840.0.9551669db86af453d0aa3aa9614a7d0af72788f0.001.1","noaa_urn:oid:2.49.0.1.840.0.6b057c04fe4dee6a0b4ca82fbb6edebb928679e1.001.1","noaa_urn:oid:2.49.0.1.840.0.4ae8f7a6d3cfd0b72d693f42961c780399df77eb.001.1","noaa_urn:oid:2.49.0.1.840.0.a1ea27cf384bc741b5c8a70957586294cab92338.001.1","noaa_urn:oid:2.49.0.1.840.0.8af63132a00eb5bbbd6d5280f8082285ff538534.001.1","noaa_urn:oid:2.49.0.1.840.0.7a137cfeb2c7231f97a76cd63013604805777685.001.1","noaa_urn:oid:2.49.0.1.840.0.b461f20bab00b6eea664112f1b5f43a702eef7c1.001.1"] |
| Iem TypeSummary | D |
| Iem City | Manchester |
| Iem County | Coffee |
| Iem State | TN |
| Iem Wfo | OHX |
| Iem Remark | part of tin roof on warehouse uplifted on Hillsboro Blvd. Time is radar estimated. |
| MergedSources | [{"id":"iem_D_35.470_-86.070_1783107060000","source":"iem","severity":"low","severityValue":25,"timestamp":1783107060000,"latitude":35.47,"longitude":-86.07}] |
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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