Right now
The most recent data we hold from NOAA arrived 63 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 20 May 2026 at 12:15 UTC. It is kept here as a record.
No stronger detection stands among the 11 recorded within 20 km of this point since 11 May 2026 — 7 others scored the same. Another comparable one was recorded here earlier the same day. 6 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued May 20 at 5:51AM CDT until May 20 at 7:15AM CDT by NWS Brownsville TX
Nearby, since 11 May 2026
- May 11, 2026 · score 22 · 10.8 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 66 % 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 | 66% |
| Coordinates | 27.3049, -97.1700 |
| Nearest City | Corpus Christi (60 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-20T10:51:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.9623677e757538755a5664c8848a1484 |
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; San Antonio, Mesquite, and Espiritu Santo Bays; Coastal waters from Port Aransas to Matagorda Ship Channel out 20 NM; Waters from Port Aransas to Matagorda Ship Channel from 20 to 60 NM; Baffin Bay and Upper Laguna Madre; Corpus Christi and Nueces Bays; Coastal waters from Baffin Bay to Port Aransas out 20 NM; Waters from Baffin Bay to Port Aransas from 20 to 60 NM and 1 more areas |
| Headline | Special Marine Warning issued May 20 at 5:51AM CDT until May 20 at 7:15AM CDT by NWS Brownsville TX |
| Expires | 2026-05-20T07:15:00-05:00 |
| SenderName | NWS Brownsville TX |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.9623677e757538755a5664c8848a14849d4a8610.001.1","noaa_urn:oid:2.49.0.1.840.0.dc0281214eb0ad0beb32aa9367f6f8df383ab2a3.001.1","noaa_urn:oid:2.49.0.1.840.0.3443d4a4c07c81c0a96840b167cc9f9359b45235.001.1","noaa_urn:oid:2.49.0.1.840.0.268d15a9f518d5d30e47c376b95996fcf877a8ca.001.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 69 |
| Iem Unit | MPH |
| Iem City | 1 SSE CC Airport |
| Iem County | Nueces |
| Iem State | TX |
| Iem Wfo | CRP |
| Iem Remark | ASOS station KCRP Corpus Christi. |
| MergedSources | [{"id":"iem_G_27.770_-97.500_1779269820000","source":"iem","severity":"low","severityValue":25,"timestamp":1779269820000,"latitude":27.77,"longitude":-97.5}] |
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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