Calamity
MediumSevere WeatherCalamity Score: 48

Severe Weather in United States

United StatesNOAA

Right now

The most recent data we hold from NOAA arrived 2 hours 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 9 May 2026 at 16:15 UTC. It is kept here as a record.

No stronger detection stands among the 40 recorded within 20 km of this point since 9 May 2026 — 18 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 9 at 10:52AM CDT until May 9 at 11:15AM CDT by NWS Brownsville TX

An estimated 787,747 people live within 50 km of this point.

Nearby, since 9 May 2026

How we know

One source: NOAA. Not yet confirmed by a second, independent source.

Our own score for this event is 48 out of 100, at 81 % 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)48 / 100
Our confidence81%
Coordinates26.2153, -97.2468
Nearest CitySan Benito (39 km)
Population Exposed787.7K within 50 km
Impact Tiersignificant
Timestamp2026-05-09T15:52:00.000Z
Sourcehttps://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.957896bd5b4e945457d6d43155c78d2f28d08871.001.1

Score Breakdown

35
intensity
85
population
0
cascading
80
historical

Technical Details

EventSpecial Marine Warning
UrgencyImmediate
CertaintyLikely
AreaDescLaguna Madre From the Port Of Brownsville to the Arroyo Colorado; Laguna Madre From The Arroyo Colorado To 5 NM North Of Port Mansfield TX; Coastal waters from Port Mansfield TX to the Rio Grande River out 20 NM
HeadlineSpecial Marine Warning issued May 9 at 10:52AM CDT until May 9 at 11:15AM CDT by NWS Brownsville TX
Expires2026-05-09T11:15:00-05:00
SenderNameNWS Brownsville TX
HasExactCoordstrue

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.

Want to know when something happens in this area?

Share:XLinkedIn

Calamity.live data shows a weather event with CalamityScore 48/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.