Right now
The most recent data we hold from NOAA arrived 3 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 13:15 UTC. It is kept here as a record.
No stronger detection stands among the 54 recorded within 20 km of this point since 11 May 2026 — 28 others scored the same. Another comparable one was recorded here earlier the same day. 38 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued May 27 at 6:39AM CDT until May 27 at 8:15AM CDT by NWS Corpus Christi TX
An estimated 332,355 people live within 50 km of this point.
Nearby, since 11 May 2026
- May 19, 2026 · score 43 · 4.4 km
- May 20, 2026 · score 43 · 21.6 km
- May 23, 2026 · score 43 · 22.5 km
How we know
Confirmed by 4 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 90 % 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) | 43 / 100 |
| Our confidence | 90% |
| Coordinates | 27.8295, -97.1652 |
| Nearest City | Portland (16 km) |
| Population Exposed | 332.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-27T11:39:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.b265e15b8115b1984ca2489d0c0646a81854df4c.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | 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; 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 |
| Headline | Special Marine Warning issued May 27 at 6:39AM CDT until May 27 at 8:15AM CDT by NWS Corpus Christi TX |
| Expires | 2026-05-27T08:15:00-05:00 |
| SenderName | NWS Corpus Christi TX |
| HasExactCoords | true |
| Iem TypeSummary | M |
| Iem Magnitude | 45 |
| Iem Unit | MPH |
| Iem City | 8 SE Aransas Pass |
| Iem County | Nueces |
| Iem State | TX |
| Iem Wfo | CRP |
| Iem Remark | Buoy station RTAT2 Port Aransas, TX. |
| MergedSources | [{"id":"iem_M_27.820_-97.080_1779867300000","source":"iem","severity":"low","severityValue":25,"timestamp":1779867300000,"latitude":27.82,"longitude":-97.08},{"id":"iem_M_27.870_-97.320_1779865920000","source":"iem","severity":"low","severityValue":25,"timestamp":1779865920000,"latitude":27.87,"longitude":-97.32},{"id":"iem_M_27.840_-97.070_1779867000000","source":"iem","severity":"low","severityValue":25,"timestamp":1779867000000,"latitude":27.84,"longitude":-97.07}] |
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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