Right now
The most recent data we hold from NOAA arrived 5 minutes ago, and this point is in it.
11 other detections within 20 km in the last 24 hours, the nearest <1 km from here.
This alert is in force until 21 September 2026, 22:00 UTC.
It is the 14th strongest of the 70 detections recorded within 20 km of this point since 30 March 2026. Another comparable one was recorded here earlier the same day. 9 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 21 at 3:52PM CDT until September 21 at 5:00PM CDT by NWS Lubbock TX
Urban PEI: 249,042 within a heuristic 50 km radius; not unique people.
Nearby, since 30 March 2026
- June 24, 2026 · score 43 · 9.1 km
- September 21, 2026 · score 37 · 9.2 km
- September 11, 2026 · score 28 · 12.7 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 | 33.9020, -102.1500 |
| Nearest City | Lubbock (45 km) |
| Urban exposure index (PEI) | 249.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-21T20:52:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.bf57ee150b2a4b93dfff1783a3a2937932296c00.001.1 |
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: 2026-09-21T20:52:00.000Z.
First archived: 2026-09-21T20:57:56.835Z. 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 | Hale, TX; Hockley, TX; Lamb, TX; Lubbock, TX; Lamb, TX |
| Headline | Severe Thunderstorm Warning issued September 21 at 3:52PM CDT until September 21 at 5:00PM CDT by NWS Lubbock TX |
| Expires | 2026-09-21T17:00:00-05:00 |
| SenderName | NWS Lubbock TX |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.bf57ee150b2a4b93dfff1783a3a2937932296c00.001.1","noaa_urn:oid:2.49.0.1.840.0.68440dd5d8efafca6db51c2d63fbb140c7a581a9.001.1"] |
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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