This alert expired on 10 July 2026 at 14:45 UTC. It is kept here as a record.
It is the 2nd strongest of the 17 detections recorded within 20 km of this point since 11 May 2026. The last comparable one was on 7 June 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued July 10 at 9:02AM CDT until July 10 at 9:45AM CDT by NWS Brownsville TX
Nearby, since 11 May 2026
- May 23, 2026 · score 22 · 9.3 km
- May 22, 2026 · score 46 · 15.6 km
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 62 % 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 | 62% |
| Coordinates | 26.7418, -97.3322 |
| Nearest City | Harlingen (71 km) |
| Impact Tier | minor |
| Timestamp | 2026-07-10T14:02:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.4a810fb0493bc1320e0f63186a86fd1c |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Laguna Madre From 5 nm North Of Port Mansfield To Baffin Bay TX; Coastal waters from Baffin Bay to Port Mansfield TX out 20 NM; Laguna Madre From The Arroyo Colorado To 5 NM North Of Port Mansfield TX; Coastal waters from Baffin Bay to Port Mansfield TX out 20 NM |
| Headline | Special Marine Warning issued July 10 at 9:02AM CDT until July 10 at 9:45AM CDT by NWS Brownsville TX |
| Expires | 2026-07-10T09:45:00-05:00 |
| SenderName | NWS Brownsville TX |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.4a810fb0493bc1320e0f63186a86fd1c2bd32b0f.001.1","noaa_urn:oid:2.49.0.1.840.0.0d16094f5d171e5f26883b4142e8ff143447838e.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.
Want to know when something happens in this area?
Calamity.live data shows a weather event with CalamityScore 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.