Right now
The most recent data we hold from NOAA arrived 1 minute 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 05:30 UTC. It is kept here as a record.
No stronger detection stands among the 15 recorded within 20 km of this point since 11 May 2026 — 12 others scored the same. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 10 at 11:27PM CDT until May 11 at 12:30AM CDT by NWS Austin/San Antonio TX
Nearby, since 11 May 2026
- July 22, 2026 · score 22 · 11.4 km
- July 21, 2026 · score 22 · 11.4 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 60 % 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 | 60% |
| Coordinates | 28.4589, -99.2551 |
| Nearest City | Uvalde (98 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-11T04:27:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.8e7ef28f0b6dc2024a05ab64eb55f99b |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Dimmit, TX; Maverick, TX; Atascosa, TX; Dimmit, TX; Frio, TX; Karnes, TX; Wilson, TX; Zavala, TX; Bee, TX; Duval, TX; Goliad, TX; La Salle, TX; Live Oak, TX; McMullen, TX; Webb, TX |
| Headline | Severe Thunderstorm Warning issued May 10 at 11:27PM CDT until May 11 at 12:30AM CDT by NWS Austin/San Antonio TX |
| Expires | 2026-05-11T00:30:00-05:00 |
| SenderName | NWS Austin/San Antonio TX |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.8e7ef28f0b6dc2024a05ab64eb55f99bb312e8be.001.1","noaa_urn:oid:2.49.0.1.840.0.c76a2a4e3ea54a3aa436562b0cbb5241d705d519.002.1","noaa_urn:oid:2.49.0.1.840.0.2851e82ae98f93e9a93b798d0d329864e4574f99.001.1"] |
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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