Calamity
MediumSevere WeatherCalamity Score: 22

Severe Weather in United States

United StatesNOAA

Right now

The most recent data we hold from NOAA arrived 2 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 11:30 UTC. It is kept here as a record.

No stronger detection stands among the 10 recorded within 20 km of this point since 20 May 2026 — 9 others scored the same. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Special Marine Warning issued May 20 at 6:12AM CDT until May 20 at 6:30AM CDT by NWS Corpus Christi TX

Nearby, since 20 May 2026

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

TypeSevere Weather
SeverityMedium
Calamity Score (ours)22 / 100
Our confidence66%
Coordinates27.4120, -96.9232
Nearest CityCorpus Christi (64 km)
Impact Tierminor
Timestamp2026-05-20T11:12:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.635fcf298906c0cb7ff7ad77bb0c12e4

Score Breakdown

35
intensity
0
population
0
cascading
80
historical

Technical Details

EventSpecial Marine Warning
UrgencyImmediate
CertaintyLikely
AreaDescCoastal waters from Baffin Bay to Port Aransas out 20 NM; Waters from Baffin Bay to Port Aransas from 20 to 60 NM; 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; 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
HeadlineSpecial Marine Warning issued May 20 at 6:12AM CDT until May 20 at 6:30AM CDT by NWS Corpus Christi TX
Expires2026-05-20T06:30:00-05:00
SenderNameNWS Corpus Christi TX
HasExactCoordstrue
MergedCount3
MergedIds["noaa_urn:oid:2.49.0.1.840.0.635fcf298906c0cb7ff7ad77bb0c12e4bfb0ee88.002.1","noaa_urn:oid:2.49.0.1.840.0.0ef5c39ac3591a42f1c7f6759ab077c0110fb6d2.002.1","noaa_urn:oid:2.49.0.1.840.0.9623677e757538755a5664c8848a14849d4a8610.001.1"]
Iem TypeSummaryG
Iem Magnitude69
Iem UnitMPH
Iem City1 SSE CC Airport
Iem CountyNueces
Iem StateTX
Iem WfoCRP
Iem RemarkASOS 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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