Reported by IEM 95 days ago.
It is the 6th strongest of the 51 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 23 May 2026. One more was recorded here in the fortnight before it.
What the source measured
IEM reported: Reports of numerous low water crossings closed across Bexar County.
An estimated 1,731,042 people live within 50 km of this point.
Nearby, since 16 March 2026
- August 30, 2026 · score 52 · 2.2 km
- June 5, 2026 · score 52 · 8.3 km
- August 29, 2026 · score 52 · 9.0 km
How we know
Confirmed by 4 independent sources, including IEM.
Our own score for this event is 52 out of 100, at 83 % 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) | 52 / 100 |
| Our confidence | 83% |
| Coordinates | 29.4200, -98.5000 |
| Nearest City | San Antonio (1 km) |
| Population Exposed | 1.7M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-27T04:30:00.000Z |
| Source | https://mesonet.agron.iastate.edu/lsr/ |
Score Breakdown
Technical Details
| TypeSummary | F |
| City | San Antonio |
| County | Bexar |
| State | TX |
| Wfo | EWX |
| Remark | Reports of numerous low water crossings closed across Bexar County. |
| Google News RssFeed | weather |
| Google News SourceName | MySA |
| MergedSources | [{"id":"gnews_weather_494405_169","source":"google_news","severity":"medium","severityValue":40,"timestamp":1779860176000,"latitude":29.42,"longitude":-98.49},{"id":"gnews_weather_494404_170","source":"google_news","severity":"medium","severityValue":40,"timestamp":1779854777000,"latitude":29.42,"longitude":-98.49},{"id":"gnews_weather_494403_187","source":"google_news","severity":"medium","severityValue":40,"timestamp":1779852124000,"latitude":29.42,"longitude":-98.49}] |
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 52/100, near San Antonio (United States), based on data from iem. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.