Right now
The most recent data we hold from NOAA arrived 14 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 9 September 2026 at 14:45 UTC. It is kept here as a record.
It is the 15th strongest of the 41 detections recorded within 20 km of this point since 20 May 2026. The last comparable one was on 2 September 2026.
What the source measured
NOAA reported: Special Marine Warning issued September 9 at 9:09AM CDT until September 9 at 9:45AM CDT by NWS Houston/Galveston TX
An estimated 203,568 people live within 50 km of this point.
Nearby, since 20 May 2026
- June 19, 2026 · score 43 · 7.1 km
- August 31, 2026 · score 37 · 9.3 km
- July 6, 2026 · score 43 · 11.1 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, 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) | 37 / 100 |
| Our confidence | 82% |
| Coordinates | 29.7047, -94.1012 |
| Nearest City | Port Arthur (26 km) |
| Population Exposed | 203.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-09T14:09:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.e6ed06bf264e7370a4e1c8a09b908e86f4954764.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Galveston Bay; Coastal waters from Cameron LA to High Island TX out 20 NM; Coastal waters from Intracoastal City to Cameron LA out 20 NM |
| Headline | Special Marine Warning issued September 9 at 9:09AM CDT until September 9 at 9:45AM CDT by NWS Houston/Galveston TX |
| Expires | 2026-09-09T09:45:00-05:00 |
| SenderName | NWS Houston/Galveston TX |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.e6ed06bf264e7370a4e1c8a09b908e86f4954764.001.1","noaa_urn:oid:2.49.0.1.840.0.7fd0f0a51a899b7ab78aa4a49b7bb43280b2764c.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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