Right now
The most recent data we hold from NOAA arrived 79 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 June 2026 at 20:15 UTC. It is kept here as a record.
It is the 2nd strongest of the 52 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 14 June 2026. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 22 at 2:21PM CDT until June 22 at 3:15PM CDT by NWS Huntsville AL
Urban PEI: 286,934 within a heuristic 50 km radius; not unique people.
Nearby, since 16 March 2026
- July 5, 2026 · score 43 · 2.6 km
- July 5, 2026 · score 43 · 12.7 km
- June 7, 2026 · score 43 · 20.9 km
How we know
2 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 43 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) | 43 / 100 |
| Legacy data-support index | 0.82/1 |
| Coordinates | 35.0200, -86.6100 |
| Nearest City | Huntsville (32 km) |
| Urban exposure index (PEI) | 286.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-22T19:21:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.f9c567e49e0c51a2aa0ef9e33e67a4a393ffe218.001.1 |
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: 2026-06-22T19:21:00.000Z.
First archived: 2026-06-22T19:47:02.408Z. 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 | Limestone, AL; Madison, AL; Lincoln, TN |
| Headline | Severe Thunderstorm Warning issued June 22 at 2:21PM CDT until June 22 at 3:15PM CDT by NWS Huntsville AL |
| Expires | 2026-06-22T15:15:00-05:00 |
| SenderName | NWS Huntsville AL |
| HasExactCoords | true |
| Iem TypeSummary | E |
| Iem City | 1 NE Lawrenceburg |
| Iem County | Lawrence |
| Iem State | TN |
| Iem Wfo | OHX |
| Iem Remark | Local media reporting Old Military Road, behind Hardees in Lawrenceburg, has been closed due to flooding. |
| MergedSources | [{"id":"iem_E_35.260_-87.330_1782151800000","source":"iem","severity":"low","severityValue":25,"timestamp":1782151800000,"latitude":35.26,"longitude":-87.33}] |
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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