This alert expired on 27 May 2026 at 06:45 UTC. It is kept here as a record.
It is the strongest of the 6 detections recorded within 20 km of this point since 27 May 2026.
What the source measured
NOAA reported: Tornado Warning issued May 27 at 1:26AM CDT until May 27 at 1:45AM CDT by NWS Houston/Galveston TX
An estimated 66,659 people live within 50 km of this point.
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 63 out of 100, at 80 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | critical |
| Calamity Score (ours) | 63 / 100 |
| Our confidence | 80% |
| Coordinates | 29.4320, -96.1560 |
| Nearest City | Rosenberg (36 km) |
| Population Exposed | 66.7K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-05-27T06:26:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.da20428680984b472afdfdd4765c049c216c3079.001.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Austin, TX; Fort Bend, TX; Wharton, TX |
| Headline | Tornado Warning issued May 27 at 1:26AM CDT until May 27 at 1:45AM CDT by NWS Houston/Galveston TX |
| Expires | 2026-05-27T01:45:00-05:00 |
| SenderName | NWS Houston/Galveston TX |
| HasExactCoords | true |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
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 63/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.