This alert expired on 27 May 2026 at 14:00 UTC. It is kept here as a record.
It is the 2nd strongest of the 9 detections recorded within 20 km of this point since 8 March 2026. The last comparable one was on 24 May 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 27 at 8:10AM CDT until May 27 at 9:00AM CDT by NWS Brownsville TX
An estimated 520,030 people live within 50 km of this point.
Nearby, since 8 March 2026
- March 9, 2026 · score 36 · 4.2 km
- May 24, 2026 · score 43 · 12.6 km
- May 9, 2026 · score 52 · 16.3 km
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 80 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 48 / 100 |
| Our confidence | 80% |
| Coordinates | 26.4243, -97.8286 |
| Nearest City | Harlingen (29 km) |
| Population Exposed | 520.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-27T13:10:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Hidalgo, TX; Kenedy, TX; Willacy, TX |
| Headline | Severe Thunderstorm Warning issued May 27 at 8:10AM CDT until May 27 at 9:00AM CDT by NWS Brownsville TX |
| Expires | 2026-05-27T09:00:00-05:00 |
| SenderName | NWS Brownsville TX |
| HasExactCoords | true |
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 10 February 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.
Calamity.live data shows a weather event with CalamityScore 48/100, near Harlingen (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.