This alert expired on 19 May 2026 at 10:15 UTC. It is kept here as a record.
It is the 2nd strongest of the 43 detections recorded within 20 km of this point since 1 May 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 19 at 4:32AM CDT until May 19 at 5:15AM CDT by NWS Houston/Galveston TX
Nearby, since 1 May 2026
- July 23, 2026 · score 22 · 5.2 km
- May 27, 2026 · score 22 · 7.4 km
- July 15, 2026 · score 22 · 8.4 km
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 62 % 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) | 22 / 100 |
| Our confidence | 62% |
| Coordinates | 28.5366, -96.4164 |
| Nearest City | Victoria (65 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-19T09:32:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.580f71b65666198d893b7f1ab5ca4bf3 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Jackson, TX; Matagorda, TX; Aransas, TX; Calhoun, TX; Refugio, TX |
| Headline | Severe Thunderstorm Warning issued May 19 at 4:32AM CDT until May 19 at 5:15AM CDT by NWS Houston/Galveston TX |
| Expires | 2026-05-19T05:15:00-05:00 |
| SenderName | NWS Houston/Galveston TX |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.580f71b65666198d893b7f1ab5ca4bf30452779f.001.1","noaa_urn:oid:2.49.0.1.840.0.00f1ee9bb42cba2fb63859c5e5c25befc8c9dd96.001.1"] |
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 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 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.