Right now
The most recent data we hold from NOAA arrived 6 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 26 May 2026 at 22:00 UTC. It is kept here as a record.
It is the 3rd strongest of the 18 detections recorded within 20 km of this point since 26 May 2026. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 26 at 4:18PM CDT until May 26 at 5:00PM CDT by NWS Austin/San Antonio TX
Nearby, since 26 May 2026
- May 26, 2026 · score 46 · 16.3 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 64 % 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 | 64% |
| Coordinates | 28.8420, -99.0320 |
| Nearest City | San Antonio (83 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-26T21:18:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.350b36b47338c6a0efff576bb31f3b9bc9653fbd.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Frio, TX |
| Headline | Severe Thunderstorm Warning issued May 26 at 4:18PM CDT until May 26 at 5:00PM CDT by NWS Austin/San Antonio TX |
| Expires | 2026-05-26T17:00:00-05:00 |
| SenderName | NWS Austin/San Antonio TX |
| HasExactCoords | true |
| 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_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 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.