This alert expired on 26 May 2026 at 22:45 UTC. It is kept here as a record.
It is the 2nd strongest of the 22 detections recorded within 20 km of this point since 20 May 2026. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 26 at 5:23PM CDT until May 26 at 5:45PM CDT by NWS Austin/San Antonio TX
An estimated 16,476 people live within 50 km of this point.
Nearby, since 20 May 2026
- May 20, 2026 · score 34 · 9.1 km
- May 27, 2026 · score 34 · 19.8 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 34 out of 100, at 89 % 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) | 34 / 100 |
| Our confidence | 89% |
| Coordinates | 28.9249, -99.7277 |
| Nearest City | Uvalde (32 km) |
| Population Exposed | 16.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-26T22:23:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.358d29000b13fdb3bd75b1b728bbd6d8 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Atascosa, TX; Frio, TX; Kinney, TX; Maverick, TX |
| Headline | Severe Thunderstorm Warning issued May 26 at 5:23PM CDT until May 26 at 5:45PM CDT by NWS Austin/San Antonio TX |
| Expires | 2026-05-26T17:45:00-05:00 |
| SenderName | NWS Austin/San Antonio TX |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.358d29000b13fdb3bd75b1b728bbd6d8e2ebc078.001.1","noaa_urn:oid:2.49.0.1.840.0.f720271d39a1fe33565ccff15b56939c667c8ce8.002.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | Pearsall |
| Iem County | Frio |
| Iem State | TX |
| Iem Wfo | EWX |
| Iem Remark | 1 inch hail reported via media. |
| MergedSources | [{"id":"iem_H_29.380_-99.970_1779826320000","source":"iem","severity":"low","severityValue":25,"timestamp":1779826320000,"latitude":29.38,"longitude":-99.97},{"id":"iem_H_28.890_-99.090_1779830100000","source":"iem","severity":"low","severityValue":25,"timestamp":1779830100000,"latitude":28.89,"longitude":-99.09}] |
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 34/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.