This alert expired on 20 May 2026 at 10:45 UTC. It is kept here as a record.
No stronger detection stands among the 9 recorded within 20 km of this point since 20 May 2026 — 4 others scored the same.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 20 at 5:04AM CDT until May 20 at 5:45AM CDT by NWS Brownsville TX
An estimated 26,225 people live within 50 km of this point.
Nearby, since 20 May 2026
- May 22, 2026 · score 34 · 7.7 km
- May 23, 2026 · score 34 · 16.6 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 out of 100, at 81 % 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) | 34 / 100 |
| Our confidence | 81% |
| Coordinates | 27.2155, -97.6355 |
| Nearest City | Kingsville (40 km) |
| Population Exposed | 26.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-20T10:04:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.b94719793a21da952094cead2e9e75edbf769831.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Brooks, TX; Kenedy, TX |
| Headline | Severe Thunderstorm Warning issued May 20 at 5:04AM CDT until May 20 at 5:45AM CDT by NWS Brownsville TX |
| Expires | 2026-05-20T05:45:00-05:00 |
| SenderName | NWS Brownsville 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 34/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.