Right now
The most recent data we hold from NOAA arrived 3 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 23 May 2026 at 19:30 UTC. It is kept here as a record.
It is the 2nd strongest of the 25 detections recorded within 20 km of this point since 9 May 2026. Another comparable one was recorded here earlier the same day. 6 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 23 at 1:42PM CDT until May 23 at 2:30PM CDT by NWS Brownsville TX
An estimated 836,665 people live within 50 km of this point.
Nearby, since 9 May 2026
- May 27, 2026 · score 48 · 3.5 km
- May 24, 2026 · score 48 · 4.2 km
- May 24, 2026 · score 48 · 5.6 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 48 out of 100, at 78 % 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) | 48 / 100 |
| Our confidence | 78% |
| Coordinates | 25.9401, -97.4324 |
| Nearest City | Brownsville (8 km) |
| Population Exposed | 836.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-23T18:42:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.6edfc4cce65015b4f221cd97461dffe1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Cameron, TX |
| Headline | Severe Thunderstorm Warning issued May 23 at 1:42PM CDT until May 23 at 2:30PM CDT by NWS Brownsville TX |
| Expires | 2026-05-23T14:30:00-05:00 |
| SenderName | NWS Brownsville TX |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.6edfc4cce65015b4f221cd97461dffe17cf41d84.001.1","noaa_urn:oid:2.49.0.1.840.0.c1e18f6878a99632ddeaffe9560e95d4f9210789.001.1","noaa_urn:oid:2.49.0.1.840.0.abf1361ad2161e826026fa8617ce3e6197acf989.001.1"] |
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 near Brownsville?
Calamity.live data shows a weather event with CalamityScore 48/100, near Brownsville (Mexico), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.