Right now
The most recent data we hold from NOAA arrived 22 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
8 other detections within 20 km in the last 24 hours, the nearest 12 km from here.
This alert expired on 15 September 2026 at 23:00 UTC. It is kept here as a record.
It is the 16th strongest of the 36 detections recorded within 20 km of this point since 1 April 2026. The last comparable one was on 13 August 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 15 at 4:53PM CDT until September 15 at 6:00PM CDT by NWS Amarillo TX
Urban PEI: 269,961 within a heuristic 50 km radius; not unique people.
Nearby, since 1 April 2026
- August 13, 2026 · score 43 · 9.7 km
- May 24, 2026 · score 43 · 11.2 km
- September 15, 2026 · score 37 · 13.7 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 37 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) | 37 / 100 |
| Legacy data-support index | 0.80/1 |
| Coordinates | 33.8503, -101.6011 |
| Nearest City | Plainview (38 km) |
| Urban exposure index (PEI) | 270.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-15T21:53:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.e307a295d8ad82080f0c332446948a7c8f6581a4.002.1 |
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: 2026-09-15T21:53:00.000Z.
First archived: 2026-09-15T21:55:13.058Z. 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 | Collingsworth, TX; Wheeler, TX; Briscoe, TX; Floyd, TX; Hall, TX; Motley, TX; Hockley, TX; Terry, TX and 1 more areas |
| Headline | Severe Thunderstorm Warning issued September 15 at 4:53PM CDT until September 15 at 6:00PM CDT by NWS Amarillo TX |
| Expires | 2026-09-15T18:00:00-05:00 |
| SenderName | NWS Amarillo TX |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.e307a295d8ad82080f0c332446948a7c8f6581a4.002.1","noaa_urn:oid:2.49.0.1.840.0.1cb14e7a7030020d8a9b5f19a7f20c96d134d54c.001.1","noaa_urn:oid:2.49.0.1.840.0.6d025c044ecd4cc63fa3311f0fae4e2854aefa71.001.1","noaa_urn:oid:2.49.0.1.840.0.d3c65a59102250f5ad990bad96b592bf92612166.001.1"] |
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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