Right now
The most recent data we hold from NOAA arrived 10 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 26 May 2026 at 01:15 UTC. It is kept here as a record.
It is the 10th strongest of the 38 detections recorded within 20 km of this point since 6 May 2026. The last comparable one was on 20 May 2026. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued May 25 at 5:14PM CDT until May 25 at 8:15PM CDT by NWS Austin/San Antonio TX
An estimated 21,262 people live within 50 km of this point.
Nearby, since 6 May 2026
- May 25, 2026 · score 34 · 0.0 km
- May 20, 2026 · score 43 · 17.9 km
- May 6, 2026 · score 22 · 20.2 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 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) | 34 / 100 |
| Our confidence | 80% |
| Coordinates | 30.2350, -98.4550 |
| Nearest City | Canyon Lake (44 km) |
| Population Exposed | 21.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-25T22:14:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.79cff85f0dd5285d3ad68a9b3bd7c6ca7ea4f234.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Blanco, TX |
| Headline | Flash Flood Warning issued May 25 at 5:14PM CDT until May 25 at 8:15PM CDT by NWS Austin/San Antonio TX |
| Expires | 2026-05-25T20:15:00-05:00 |
| 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 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.
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