This alert expired on 6 June 2026 at 06:00 UTC. It is kept here as a record.
It is the 2nd strongest of the 22 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued June 5 at 8:29PM CDT until June 6 at 1:00AM CDT by NWS Austin/San Antonio TX
An estimated 1,502,583 people live within 50 km of this point.
Nearby, since 16 March 2026
- May 11, 2026 · score 52 · 10.9 km
- May 18, 2026 · score 58 · 15.2 km
- May 11, 2026 · score 52 · 17.7 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 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) | 52 / 100 |
| Our confidence | 80% |
| Coordinates | 30.2320, -97.5661 |
| Nearest City | Austin (17 km) |
| Population Exposed | 1.5M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-06T01:29:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.115487e7b9c7afe3e8764c096ff26807 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Burnet, TX; Williamson, TX; Travis, TX; Lavaca, TX |
| Headline | Flash Flood Warning issued June 5 at 8:29PM CDT until June 6 at 1:00AM CDT by NWS Austin/San Antonio TX |
| Expires | 2026-06-06T01:00:00-05:00 |
| SenderName | NWS Austin/San Antonio TX |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.115487e7b9c7afe3e8764c096ff26807a6312e8f.001.1","noaa_urn:oid:2.49.0.1.840.0.354892bc72c7fa5e769ca9b17cfdcfb4354acb97.001.1","noaa_urn:oid:2.49.0.1.840.0.725cccf9fb7eed8187afebe93320717b4eb9fb03.001.1"] |
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.
Want to know when something happens near Austin?
Calamity.live data shows a weather event with CalamityScore 52/100, near Austin (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.