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.
4 other detections within 20 km in the last 24 hours, the nearest 4 km from here.
This alert expired on 28 September 2026 at 00:00 UTC. It is kept here as a record.
It is the 2nd strongest of the 5 detections recorded within 20 km of this point since 26 April 2026. 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 September 27 at 6:40PM CDT until September 27 at 7:00PM CDT by NWS Fort Worth TX
Urban PEI: 1,325,951 within a heuristic 50 km radius; not unique people.
Nearby, since 26 April 2026
- September 27, 2026 · score 58 · 7.1 km
- May 28, 2026 · 13.0 km
- July 7, 2026 · 19.7 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 46 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 v5. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 46 / 100 |
| Legacy data-support index | 0.81/1 |
| Coordinates | 32.8243, -97.7243 |
| Nearest City | Weatherford (10 km) |
| Urban exposure index (PEI) | 1.3M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-27T23:40:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.d2cea50107494920fa607da3a25e205e5919e581.001.1 |
Physical priority index · v5. 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: 2026-09-27T23:40:00.000Z.
First archived: 2026-09-27T23:25:43.392Z. Material modification: 2026-09-27T23:47:10.682Z.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
1 retained revision changed source fields this page does not show; the index, severity and version stayed the same.
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| MessageId | urn:oid:2.49.0.1.840.0.d2cea50107494920fa607da3a25e205e5919e581.001.1 |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Parker, TX |
| Headline | Severe Thunderstorm Warning issued September 27 at 6:40PM CDT until September 27 at 7:00PM CDT by NWS Fort Worth TX |
| Expires | 2026-09-27T19:00:00-05:00 |
| SenderName | NWS Fort Worth TX |
| HasExactCoords | true |
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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