This alert expired on 5 June 2026 at 13:15 UTC. It is kept here as a record.
It is the 5th strongest of the 57 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 27 May 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued June 5 at 6:22AM CDT until June 5 at 8:15AM CDT by NWS Austin/San Antonio TX
An estimated 1,731,042 people live within 50 km of this point.
Nearby, since 16 March 2026
- August 30, 2026 · score 52 · 6.5 km
- July 14, 2026 · score 76 · 6.6 km
- May 27, 2026 · score 52 · 8.3 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 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) | 52 / 100 |
| Our confidence | 81% |
| Coordinates | 29.4840, -98.5440 |
| Nearest City | San Antonio (9 km) |
| Population Exposed | 1.7M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-05T11:22:00.000Z |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Bexar, TX |
| Headline | Flash Flood Warning issued June 5 at 6:22AM CDT until June 5 at 8:15AM CDT by NWS Austin/San Antonio TX |
| Expires | 2026-06-05T08:15:00-05:00 |
| SenderName | NWS Austin/San Antonio TX |
| HasExactCoords | true |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
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 noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.