Right now
The most recent data we hold from NOAA arrived 10 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 27 May 2026 at 14:45 UTC. It is kept here as a record.
It is the 4th strongest of the 11 detections recorded within 20 km of this point since 11 May 2026. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued May 27 at 8:41AM CDT until May 27 at 9:45AM CDT by NWS Brownsville TX
Nearby, since 11 May 2026
- May 11, 2026 · score 43 · 18.4 km
How we know
4 recorded sources include NOAA; independence is not established by this count.
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 | 0.70/1 |
| Coordinates | 27.5748, -96.8083 |
| Nearest City | Portland (61 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-05-27T13:41:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.98e9aa1f7e97a975f3857e9928eef755 |
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: 2026-05-27T13:41:00.000Z.
First archived: 2026-05-27T13:53:19.855Z. 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 Port Of Brownsville to the Arroyo Colorado; 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; 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; Waters from Baffin Bay to Port Aransas from 20 to 60 NM; Waters from Port Aransas to Matagorda Ship Channel from 20 to 60 NM; Laguna Madre From 5 nm North Of Port Mansfield To Baffin Bay TX; Coastal waters from Baffin Bay to Port Mansfield TX out 20 NM; Waters from Baffin Bay to Port Mansfield TX from 20 to 60 NM and 1 more areas |
| Headline | Special Marine Warning issued May 27 at 8:41AM CDT until May 27 at 9:45AM CDT by NWS Brownsville TX |
| Expires | 2026-05-27T09:45:00-05:00 |
| SenderName | NWS Brownsville TX |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.98e9aa1f7e97a975f3857e9928eef755f5b357bb.001.1","noaa_urn:oid:2.49.0.1.840.0.ece253c813647b5fb47ab708cb48a2287adab79d.001.1","noaa_urn:oid:2.49.0.1.840.0.b7c0d7d47cb3dc80606a3f3846c05d10cb35a7b6.001.1","noaa_urn:oid:2.49.0.1.840.0.bc117976829a0c4f1f2ed1a73b130bc5e8d65dca.001.1"] |
| Iem TypeSummary | F |
| Iem City | 3 ENE CC Airport |
| Iem County | Nueces |
| Iem State | TX |
| Iem Wfo | CRP |
| Iem Remark | TxDOT camera showing water covering roadway, impacting traffic. Vehicles stranded. |
| MergedSources | [{"id":"iem_F_27.700_-97.480_1779885600000","source":"iem","severity":"low","severityValue":25,"timestamp":1779885600000,"latitude":27.7,"longitude":-97.48},{"id":"iem_G_27.780_-97.510_1779881700000","source":"iem","severity":"low","severityValue":25,"timestamp":1779881700000,"latitude":27.78,"longitude":-97.51},{"id":"iem_F_27.800_-97.470_1779885900000","source":"iem","severity":"low","severityValue":25,"timestamp":1779885900000,"latitude":27.8,"longitude":-97.47}] |
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.
Review the area, threshold and delivery channel in your account.
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