Right now
The most recent data we hold from NOAA arrived 2 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 01:30 UTC. It is kept here as a record.
It is the strongest of the 8 detections recorded within 20 km of this point since 1 May 2026. The last comparable one was on 11 May 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued May 26 at 7:42PM CDT until May 26 at 8:30PM CDT by NWS Austin/San Antonio TX
Nearby, since 1 May 2026
- June 22, 2026 · score 22 · 15.8 km
- June 21, 2026 · score 22 · 15.8 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 46 out of 100, at 66 % 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 | Critical |
| Calamity Score (ours) | 46 / 100 |
| Our confidence | 66% |
| Coordinates | 28.8820, -98.5940 |
| Nearest City | San Antonio (61 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-27T00:42:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.62fea135b7e12574afeb1e002950f420300d04da.001.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Atascosa, TX |
| Headline | Tornado Warning issued May 26 at 7:42PM CDT until May 26 at 8:30PM CDT by NWS Austin/San Antonio TX |
| Expires | 2026-05-26T20:30:00-05:00 |
| SenderName | NWS Austin/San Antonio TX |
| HasExactCoords | true |
| Google News RssFeed | weather |
| Google News SourceName | San Antonio Express-News |
| MergedSources | [{"id":"gnews_weather_494395_186","source":"google_news","severity":"medium","severityValue":40,"timestamp":1779823662000,"latitude":29.42,"longitude":-98.49}] |
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 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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