Right now
The most recent data we hold from NOAA arrived 72 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 11 May 2026 at 08:00 UTC. It is kept here as a record.
It is the 4th strongest of the 13 detections recorded within 20 km of this point since 11 May 2026.
What the source measured
NOAA reported: Special Marine Warning issued May 11 at 1:55AM CDT until May 11 at 3:00AM CDT by NWS Brownsville TX
Nearby, since 11 May 2026
- August 2, 2026 · score 37 · 12.6 km
- May 11, 2026 · score 22 · 16.3 km
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.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
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 |
| Legacy data-support index | 0.60/1 |
| Coordinates | 27.3209, -97.3009 |
| Nearest City | Corpus Christi (54 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-05-11T06:55:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.2d0f8741670c508b00603034e91959c2 |
Physical priority index · v1. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-05-11T06:55:00.000Z.
First archived: 2026-05-11T06:59:21.698Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Laguna Madre From The Arroyo Colorado To 5 NM North Of Port Mansfield TX; Laguna Madre From 5 nm North Of Port Mansfield To Baffin Bay TX; Coastal waters from Port Mansfield TX to the Rio Grande River out 20 NM; Coastal waters from Baffin Bay to Port Mansfield TX out 20 NM; Waters from Port Mansfield TX to the Rio Grande River from 20 to 60 NM; Waters from Baffin Bay to Port Mansfield TX from 20 to 60 NM; Baffin Bay and Upper Laguna Madre; Corpus Christi and Nueces Bays; Copano, Aransas, and Redfish Bays; San Antonio, Mesquite, and Espiritu Santo Bays; Coastal waters from Baffin Bay to Port Aransas out 20 NM; Coastal waters from Port Aransas to Matagorda Ship Channel out 20 NM |
| Headline | Special Marine Warning issued May 11 at 1:55AM CDT until May 11 at 3:00AM CDT by NWS Brownsville TX |
| Expires | 2026-05-11T03:00:00-05:00 |
| SenderName | NWS Brownsville TX |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.2d0f8741670c508b00603034e91959c246bb9a1c.001.1","noaa_urn:oid:2.49.0.1.840.0.d0dcb5f19659c67bf6980961ec352db047991478.001.1"] |
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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