Right now
The most recent data we hold from NOAA arrived 11 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 19 May 2026 at 04:30 UTC. It is kept here as a record.
It is the 7th strongest of the 12 detections recorded within 20 km of this point since 19 May 2026. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 18 at 11:20PM CDT until May 18 at 11:30PM CDT by NWS Corpus Christi TX
An estimated 256,153 people live within 50 km of this point.
Nearby, since 19 May 2026
- June 7, 2026 · score 22 · 14.7 km
- July 16, 2026 · score 48 · 19.9 km
- June 16, 2026 · score 48 · 19.9 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 80 % 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) | 43 / 100 |
| Our confidence | 80% |
| Coordinates | 27.8990, -99.7171 |
| Nearest City | Laredo (48 km) |
| Population Exposed | 256.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-19T04:20:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.3cd0d2482d7a668c4ec430fc8ab83efa |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Webb, TX; La Salle, TX; Webb, TX |
| Headline | Severe Thunderstorm Warning issued May 18 at 11:20PM CDT until May 18 at 11:30PM CDT by NWS Corpus Christi TX |
| Expires | 2026-05-18T23:30:00-05:00 |
| SenderName | NWS Corpus Christi TX |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.3cd0d2482d7a668c4ec430fc8ab83efa033dbe28.001.1","noaa_urn:oid:2.49.0.1.840.0.82677a3b4818d7a31eed45d743a1416fc8b61d46.001.1"] |
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.
Want to know when something happens in this area?
Calamity.live data shows a weather event with CalamityScore 43/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.