This alert expired on 20 June 2026 at 18:21 UTC. It is kept here as a record.
No stronger detection stands among the 54 recorded within 20 km of this point since 20 June 2026 — 14 others scored the same.
What the source measured
NOAA reported: Rising Water along the Medina River and San Geronimo Creek near Castroville.
An estimated 1,526,656 people live within 50 km of this point.
Nearby, since 20 June 2026
- July 20, 2026 · score 52 · 10.9 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 52 out of 100, at 79 % 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) | 52 / 100 |
| Our confidence | 79% |
| Coordinates | 29.3524, -98.8689 |
| Nearest City | San Antonio (37 km) |
| Population Exposed | 1.5M within 50 km |
| Impact Tier | significant |
| Date | 2026-06-20 — time not reported by the source |
| Source | https://api.weather.gov/alerts/IINFO_D2D40421DC8A4E31965D4E42AB86701E_03E9FF1816264B7685395ED130842020_202620061221 |
Score Breakdown
Technical Details
| Event | Civil Emergency Message |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Medina Co, TX |
| Headline | Rising Water along the Medina River and San Geronimo Creek near Castroville. |
| Expires | 2026-06-20T13:21:32-05:00 |
| SenderName | 202307,TX Medina County,MedinaCo |
| 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 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 52/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.