This alert expired on 20 May 2026 at 04:15 UTC. It is kept here as a record.
It is the 7th strongest of the 25 detections recorded within 20 km of this point since 20 May 2026. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 19 at 10:17PM CDT until May 19 at 11:15PM CDT by NWS Austin/San Antonio TX
An estimated 117,679 people live within 50 km of this point.
Nearby, since 20 May 2026
- June 15, 2026 · score 52 · 17.8 km
- May 25, 2026 · score 34 · 17.9 km
How we know
Confirmed by 7 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 90 % 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) | 43 / 100 |
| Our confidence | 90% |
| Coordinates | 30.1929, -98.2753 |
| Nearest City | Canyon Lake (35 km) |
| Population Exposed | 117.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-20T03:17:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.48b44386e2c46523fdd810f062f73510 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Val Verde, TX; Bandera, TX; Kerr, TX; Real, TX; Bastrop, TX; Caldwell, TX; Comal, TX; Gonzales, TX; Guadalupe, TX; Travis, TX and 2 more areas |
| Headline | Severe Thunderstorm Warning issued May 19 at 10:17PM CDT until May 19 at 11:15PM CDT by NWS Austin/San Antonio TX |
| Expires | 2026-05-19T23:15:00-05:00 |
| SenderName | NWS Austin/San Antonio TX |
| HasExactCoords | true |
| MergedCount | 6 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.48b44386e2c46523fdd810f062f73510a73d15f0.001.1","noaa_urn:oid:2.49.0.1.840.0.c8fa90d2d533d3a287a852443d6c3445af464834.001.1","noaa_urn:oid:2.49.0.1.840.0.26bd4e4be50fc523ad89fce34908230fc92d5cb3.002.1","noaa_urn:oid:2.49.0.1.840.0.40d2fd65ec8b76b1b9db4d71bd53db68784b69b3.001.1","noaa_urn:oid:2.49.0.1.840.0.4c55ded504e5bdb96bdac56295f5cf1a0bc65bc7.001.1","noaa_urn:oid:2.49.0.1.840.0.5b7a6d1134778c2f8d3e64d1568c4883e6326d0b.002.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 1.5 |
| Iem Unit | Inch |
| Iem City | 1 N Enchanted Rock Stat |
| Iem County | Llano |
| Iem State | TX |
| Iem Wfo | EWX |
| Iem Remark | Ping Pong sized hail relayed by EM near Enchanted Rock State Natural Area. |
| Google News RssFeed | weather |
| Google News SourceName | Austin American-Statesman |
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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Calamity.live data shows a weather event with CalamityScore 43/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.