This alert expired on 11 May 2026 at 04:00 UTC. It is kept here as a record.
No stronger detection stands among the 28 recorded within 20 km of this point since 16 March 2026 — 14 others scored the same. Another comparable one was recorded here earlier the same day. 16 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 10 at 10:07PM CDT until May 10 at 11:00PM CDT by NWS Austin/San Antonio TX
An estimated 1,423,647 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 6, 2026 · score 52 · 10.9 km
- May 11, 2026 · score 52 · 15.4 km
- May 9, 2026 · score 52 · 15.9 km
How we know
Confirmed by 4 independent sources, including NOAA.
Our own score for this event is 52 out of 100, at 91 % 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 | 91% |
| Coordinates | 30.1545, -97.6360 |
| Nearest City | Austin (16 km) |
| Population Exposed | 1.4M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-11T03:07:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.cfc2ecdf98b7b94415e8b2246feaae0c |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Frio, TX; Medina, TX; Zavala, TX; Atascosa, TX; Bexar, TX; Frio, TX; Medina, TX; Bastrop, TX; Caldwell, TX; Guadalupe, TX; Hays, TX; Travis, TX and 4 more areas |
| Headline | Severe Thunderstorm Warning issued May 10 at 10:07PM CDT until May 10 at 11:00PM CDT by NWS Austin/San Antonio TX |
| Expires | 2026-05-10T23:00:00-05:00 |
| SenderName | NWS Austin/San Antonio TX |
| HasExactCoords | true |
| MergedCount | 7 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.cfc2ecdf98b7b94415e8b2246feaae0c75a31675.001.1","noaa_urn:oid:2.49.0.1.840.0.1e71e51f58ddeaa90110612f736a3a5b7147103d.001.1","noaa_urn:oid:2.49.0.1.840.0.8eea8de8738e5bcf779a380c5c89cb34582a2e69.001.1","noaa_urn:oid:2.49.0.1.840.0.cd8b4417e292e74b63c5e2196730042e806481db.001.1","noaa_urn:oid:2.49.0.1.840.0.e0ff09767795176ca60649640fc8a39aa407f269.001.1","noaa_urn:oid:2.49.0.1.840.0.36b80a745e919efe73599264afdcdbaaa2025123.001.1","noaa_urn:oid:2.49.0.1.840.0.8fe110756c43abef5abb739133b8545ea839a03d.001.1"] |
| Google News RssFeed | weather |
| Google News SourceName | FOX 7 Austin |
| MergedSources | [{"id":"gnews_weather_494013_239","source":"google_news","severity":"medium","severityValue":40,"timestamp":1778448445000,"latitude":30.27,"longitude":-97.74},{"id":"gnews_weather_494014_247","source":"google_news","severity":"medium","severityValue":40,"timestamp":1778453640000,"latitude":30.27,"longitude":-97.74},{"id":"gnews_weather_494018_248","source":"google_news","severity":"medium","severityValue":40,"timestamp":1778466862000,"latitude":30.27,"longitude":-97.74}] |
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 near Austin?
Calamity.live data shows a weather event with CalamityScore 52/100, near Austin (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.