Right now
The most recent data we hold from NOAA arrived 3 minutes ago, and this point is in it.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 11 September 2026 at 12:15 UTC. It is kept here as a record.
It is the 4th strongest of the 5 detections recorded within 20 km of this point since 20 May 2026. The last comparable one was on 23 July 2026.
What the source measured
NOAA reported: Special Marine Warning issued September 11 at 6:47AM CDT until September 11 at 7:15AM CDT by NWS Houston/Galveston TX
An estimated 46,962 people live within 50 km of this point.
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 28 out of 100, at 82 % 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) | 28 / 100 |
| Our confidence | 82% |
| Coordinates | 28.7460, -95.3200 |
| Nearest City | Lake Jackson (33 km) |
| Population Exposed | 47.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-11T11:47:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.210072e884714f5033e446e3d34f5c2085032c3f.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM; Coastal waters from High Island to Freeport TX out 20 NM; Waters from High Island to Freeport TX from 20 to 60 NM |
| Headline | Special Marine Warning issued September 11 at 6:47AM CDT until September 11 at 7:15AM CDT by NWS Houston/Galveston TX |
| Expires | 2026-09-11T07:15:00-05:00 |
| SenderName | NWS Houston/Galveston 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.
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