This alert expired on 27 August 2026 at 21:45 UTC. It is kept here as a record.
It is the 17th strongest of the 32 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 14 July 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 27 at 4:13PM CDT until August 27 at 4:45PM CDT by NWS Austin/San Antonio TX
An estimated 1,840,852 people live within 50 km of this point.
Nearby, since 16 March 2026
- May 11, 2026 · score 52 · 13.5 km
- August 29, 2026 · score 52 · 13.9 km
- May 20, 2026 · score 52 · 18.1 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 46 out of 100, at 79 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 46 / 100 |
| Our confidence | 79% |
| Coordinates | 29.6710, -98.3040 |
| Nearest City | Live Oak (12 km) |
| Population Exposed | 1.8M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-27T21:13:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Bexar, TX; Comal, TX |
| Headline | Severe Thunderstorm Warning issued August 27 at 4:13PM CDT until August 27 at 4:45PM CDT by NWS Austin/San Antonio TX |
| Expires | 2026-08-27T16:45:00-05:00 |
| SenderName | NWS Austin/San Antonio TX |
| HasExactCoords | true |
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 10 February 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.
Calamity.live data shows a weather event with CalamityScore 46/100, near Live Oak (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.