This alert expired on 2 September 2026 at 22:30 UTC. It is kept here as a record.
It is the 4th strongest of the 17 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 4:44PM CDT until September 2 at 5:30PM CDT by NWS Shreveport LA
Nearby, since 2 September 2026
- September 2, 2026 · score 28 · 14.7 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 16 out of 100, at 65 % 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 | 65% |
| Coordinates | 30.9124, -94.5469 |
| Nearest City | Lufkin (51 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-02T21:44:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.c783e9f2b9d78d1880cd01a656adac79ed2d8f86.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Angelina, TX; San Augustine, TX; Polk, TX; San Jacinto, TX; Jasper, TX; Tyler, TX |
| Headline | Severe Thunderstorm Warning issued September 2 at 4:44PM CDT until September 2 at 5:30PM CDT by NWS Shreveport LA |
| Expires | 2026-09-02T17:30:00-05:00 |
| SenderName | NWS Shreveport LA |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.c783e9f2b9d78d1880cd01a656adac79ed2d8f86.001.1","noaa_urn:oid:2.49.0.1.840.0.5fe3750d9d6986b029b902be5b1e5f51116f2803.001.1","noaa_urn:oid:2.49.0.1.840.0.55bb2c0ddaef4497afe88a94ce6f7aacc9cb0e71.001.1"] |
| Iem TypeSummary | F |
| Iem City | 5 NE Seven Oaks |
| Iem County | Polk |
| Iem State | TX |
| Iem Wfo | HGX |
| Iem Remark | Water over roadway. Location estimated. |
| MergedSources | [{"id":"iem_F_30.910_-94.830_1788363900000","source":"iem","severity":"low","severityValue":25,"timestamp":1788363900000,"latitude":30.91,"longitude":-94.83}] |
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.