Right now
The most recent data we hold from NOAA arrived 1 minute 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 16:00 UTC. It is kept here as a record.
It is the 3rd 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. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued May 27 at 8:56AM CDT until May 27 at 11:00AM CDT by NWS Houston/Galveston TX
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 70 % 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 | 70% |
| Coordinates | 27.7047, -96.7342 |
| Nearest City | Portland (61 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-27T13:56:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.a28f2b3ee9b69425599b4d0ebc4f09e3 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Matagorda Bay; Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM; Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM; 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 |
| Headline | Special Marine Warning issued May 27 at 8:56AM CDT until May 27 at 11:00AM CDT by NWS Houston/Galveston TX |
| Expires | 2026-05-27T11:00:00-05:00 |
| SenderName | NWS Houston/Galveston TX |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.a28f2b3ee9b69425599b4d0ebc4f09e346e77e5d.001.1","noaa_urn:oid:2.49.0.1.840.0.98e9aa1f7e97a975f3857e9928eef755f5b357bb.001.1"] |
| Iem TypeSummary | F |
| Iem City | 6 SSE CC Airport |
| Iem County | Nueces |
| Iem State | TX |
| Iem Wfo | CRP |
| Iem Remark | Water covering road, making roadway impassable. |
| MergedSources | [{"id":"iem_F_27.800_-97.470_1779885900000","source":"iem","severity":"low","severityValue":25,"timestamp":1779885900000,"latitude":27.8,"longitude":-97.47},{"id":"iem_F_27.700_-97.480_1779885600000","source":"iem","severity":"low","severityValue":25,"timestamp":1779885600000,"latitude":27.7,"longitude":-97.48}] |
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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