Right now
The most recent data we hold from NOAA arrived 8 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 13:00 UTC. It is kept here as a record.
No stronger detection stands among the 35 recorded within 20 km of this point since 9 May 2026 — 17 others scored the same. The last comparable one was on 11 May 2026. 16 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 20 at 7:09AM CDT until May 20 at 8:00AM CDT by NWS Brownsville TX
An estimated 787,747 people live within 50 km of this point.
Nearby, since 9 May 2026
- May 20, 2026 · score 48 · 6.4 km
- May 27, 2026 · score 48 · 11.3 km
- May 9, 2026 · score 48 · 20.3 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 82 % 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) | 48 / 100 |
| Our confidence | 82% |
| Coordinates | 26.2177, -97.3586 |
| Nearest City | San Benito (29 km) |
| Population Exposed | 787.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-20T12:09:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.7992cbc141bea249e7bd0d09a716f898 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Cameron, TX; Cameron, TX; Kenedy, TX; Willacy, TX |
| Headline | Severe Thunderstorm Warning issued May 20 at 7:09AM CDT until May 20 at 8:00AM CDT by NWS Brownsville TX |
| Expires | 2026-05-20T08:00:00-05:00 |
| SenderName | NWS Brownsville TX |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.7992cbc141bea249e7bd0d09a716f898d6b2abd8.001.1","noaa_urn:oid:2.49.0.1.840.0.b5e27340dba63259b36d9789c4829c08daa57ac5.001.1"] |
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.
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