Calamity
MediumSevere WeatherCalamity Score: 22

Severe Weather in United States

United StatesNOAA

Right now

The most recent data we hold from NOAA arrived 4 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

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, at 60 % 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

TypeSevere Weather
SeverityMedium
Calamity Score (ours)22 / 100
Our confidence60%
Coordinates27.3209, -97.3009
Nearest CityCorpus Christi (54 km)
Impact Tierminor
Timestamp2026-05-11T06:55:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.2d0f8741670c508b00603034e91959c2

Score Breakdown

35
intensity
0
population
0
cascading
80
historical

Technical Details

EventSpecial Marine Warning
UrgencyImmediate
CertaintyLikely
AreaDescLaguna 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
HeadlineSpecial Marine Warning issued May 11 at 1:55AM CDT until May 11 at 3:00AM CDT by NWS Brownsville TX
Expires2026-05-11T03:00:00-05:00
SenderNameNWS Brownsville TX
HasExactCoordstrue
MergedCount2
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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