Right now
The most recent data we hold from NOAA arrived 5 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 11 May 2026 at 01:00 UTC. It is kept here as a record.
No stronger detection stands among the 6 recorded within 20 km of this point since 10 May 2026 — one other scored the same. The last comparable one was on 10 May 2026. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 10 at 7:06PM CDT until May 10 at 8:00PM CDT by NWS Brownsville TX
An estimated 1,046,381 people live within 50 km of this point.
Nearby, since 10 May 2026
- August 2, 2026 · score 46 · 10.9 km
- May 10, 2026 · score 52 · 13.9 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 52 out of 100, at 79 % 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) | 52 / 100 |
| Our confidence | 79% |
| Coordinates | 26.3973, -98.5793 |
| Nearest City | Alton (29 km) |
| Population Exposed | 1.0M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-11T00:06:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.ced1a6f49dc40219ff5b2507efcdfb91 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Hidalgo, TX; Starr, TX |
| Headline | Severe Thunderstorm Warning issued May 10 at 7:06PM CDT until May 10 at 8:00PM CDT by NWS Brownsville TX |
| Expires | 2026-05-10T20:00:00-05:00 |
| SenderName | NWS Brownsville TX |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.ced1a6f49dc40219ff5b2507efcdfb912c2a7c18.001.1","noaa_urn:oid:2.49.0.1.840.0.42607b9cba800bb14cd5ad3ad075e393a24d5b06.001.1"] |
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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