This alert expired on 2 September 2026 at 23:00 UTC. It is kept here as a record.
It is the 3rd strongest of the 16 detections recorded within 20 km of this point since 2 September 2026. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 2 at 5:30PM CDT until September 2 at 6:00PM CDT by NWS Houston/Galveston TX
Nearby, since 2 September 2026
- September 2, 2026 · score 28 · 12.9 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 16 out of 100, at 60 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 16 / 100 |
| Our confidence | 60% |
| Coordinates | 30.9150, -94.4933 |
| Nearest City | Lufkin (52 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-02T22:30:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.49f6568a007f4bd2ad827a7f228adfa0db0e0f02.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Liberty, TX; Polk, TX; San Jacinto, TX; Nacogdoches, TX; Sabine, TX; San Augustine, TX |
| Headline | Severe Thunderstorm Warning issued September 2 at 5:30PM CDT until September 2 at 6:00PM CDT by NWS Houston/Galveston TX |
| Expires | 2026-09-02T18:00:00-05:00 |
| SenderName | NWS Houston/Galveston TX |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.49f6568a007f4bd2ad827a7f228adfa0db0e0f02.001.1","noaa_urn:oid:2.49.0.1.840.0.a1a9c1942f0ef79b191c0eb00aabbf2e2ff4c320.001.1"] |
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.
Want to know when something happens in this area?
Calamity.live data shows a weather event with CalamityScore 16/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.