Right now
The most recent data we hold from NOAA arrived 5 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 27 May 2026 at 05:45 UTC. It is kept here as a record.
It is one of only 4 we have recorded within 20 km of this point since 12 April 2026. The last comparable one was on 12 April 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 27 at 12:00AM CDT until May 27 at 12:45AM CDT by NWS Austin/San Antonio TX
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 60 % 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 | 60% |
| Coordinates | 29.6866, -96.8660 |
| Nearest City | Brenham (70 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-27T05:00:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.1a2351d3a1c45314191be7de45623475 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | DeWitt, TX; Lavaca, TX; Austin, TX; Brazos, TX; Burleson, TX; Colorado, TX; Fort Bend, TX; Grimes, TX; Harris, TX; Jackson, TX; Waller, TX; Washington, TX; Wharton, TX; DeWitt, TX; Fayette, TX; Gonzales, TX; Lavaca, TX and 1 more areas |
| Headline | Severe Thunderstorm Warning issued May 27 at 12:00AM CDT until May 27 at 12:45AM CDT by NWS Austin/San Antonio TX |
| Expires | 2026-05-27T00:45:00-05:00 |
| SenderName | NWS Austin/San Antonio TX |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.1a2351d3a1c45314191be7de456234756583fa44.001.1","noaa_urn:oid:2.49.0.1.840.0.f0a77d41e3723a40f828949b6c142423d54a6e5d.001.1","noaa_urn:oid:2.49.0.1.840.0.656d3c29512bf113f9403d2e6dfe03f005713258.001.1","noaa_urn:oid:2.49.0.1.840.0.fd1dd8f272d8533018fdedd336123fc7407034f7.001.1"] |
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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