Right now
The most recent data we hold from NOAA arrived 27 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 19 May 2026 at 11:50 UTC. It is kept here as a record.
It is one of only 4 we have recorded within 20 km of this point since 19 May 2026. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued May 19 at 6:40AM CDT until May 19 at 6:45AM CDT by NWS Corpus Christi TX
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 62 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 22 / 100 |
| Our confidence | 62% |
| Coordinates | 27.9418, -95.6344 |
| Nearest City | Bay City (120 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-19T11:40:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.0fb93443beb5d32eec3da7e9994f5d95 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Waters from Port Aransas to Matagorda Ship Channel from 20 to 60 NM; 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 Freeport to Matagorda Ship Channel TX from 20 to 60 NM; Waters from High Island to Freeport TX from 20 to 60 NM |
| Headline | Special Marine Warning issued May 19 at 6:40AM CDT until May 19 at 6:45AM CDT by NWS Corpus Christi TX |
| Expires | 2026-05-19T06:50:00-05:00 |
| SenderName | NWS Corpus Christi TX |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.0fb93443beb5d32eec3da7e9994f5d95bf839dbd.001.1","noaa_urn:oid:2.49.0.1.840.0.8f3a214ba009c1b29739207569c62fea414649a2.001.1"] |
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 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.