This alert expired on 10 July 2026 at 14:15 UTC. It is kept here as a record.
It is the 5th strongest of the 10 detections recorded within 20 km of this point since 11 May 2026. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued July 10 at 8:38AM CDT until July 10 at 9:15AM CDT by NWS Brownsville TX
Nearby, since 11 May 2026
- May 11, 2026 · score 22 · 7.2 km
- May 20, 2026 · score 39 · 12.9 km
- June 7, 2026 · score 39 · 15.1 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 61 % 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 | 61% |
| Coordinates | 26.4854, -97.2305 |
| Nearest City | San Benito (56 km) |
| Impact Tier | minor |
| Timestamp | 2026-07-10T13:38:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.0d16094f5d171e5f26883b4142e8ff14 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | 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; Laguna Madre From the Port Of Brownsville to the Arroyo Colorado; 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 |
| Headline | Special Marine Warning issued July 10 at 8:38AM CDT until July 10 at 9:15AM CDT by NWS Brownsville TX |
| Expires | 2026-07-10T09:15:00-05:00 |
| SenderName | NWS Brownsville TX |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.0d16094f5d171e5f26883b4142e8ff143447838e.001.1","noaa_urn:oid:2.49.0.1.840.0.0240921ad5c84eb68429a4f23ea0330f8758567d.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.