Right now
The most recent data we hold from NOAA arrived 3 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
This alert expired on 15 June 2026 at 14:00 UTC. It is kept here as a record.
What the source measured
NOAA reported: Flash Flood Warning issued June 15 at 6:40AM CDT until June 15 at 9:00AM CDT by NWS Austin/San Antonio TX
Urban PEI: 286,332 within a heuristic 50 km radius; not unique people.
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
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) | 43 / 100 |
| Legacy data-support index | 0.82/1 |
| Coordinates | 29.8991, -98.4441 |
| Nearest City | Canyon Lake (18 km) |
| Urban exposure index (PEI) | 286.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-15T11:40:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.f035fbb0e9b0c5171f2f648ee3526e8b |
Physical priority index · v1. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-06-15T11:40:00.000Z.
First archived: 2026-06-15T11:56:54.183Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Burnet, TX; Travis, TX; Williamson, TX; Medina, TX; Uvalde, TX; Bastrop, TX; Lee, TX; Travis, TX; Williamson, TX and 9 more areas |
| Headline | Flash Flood Warning issued June 15 at 6:40AM CDT until June 15 at 9:00AM CDT by NWS Austin/San Antonio TX |
| Expires | 2026-06-15T09:00:00-05:00 |
| SenderName | NWS Austin/San Antonio TX |
| HasExactCoords | true |
| MergedCount | 12 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.f035fbb0e9b0c5171f2f648ee3526e8bb390d70a.001.1","noaa_urn:oid:2.49.0.1.840.0.f4178526c76870573eafac7dd85b9674e7c459af.002.1","noaa_urn:oid:2.49.0.1.840.0.cd64d9bd110242f17e9d01e553560ed6d5eec957.001.1","noaa_urn:oid:2.49.0.1.840.0.4b506813f7f6664b8d5cb35fdc1d7c241bf03bf5.001.1","noaa_urn:oid:2.49.0.1.840.0.7647a8dd26796cbcdd68f2525f25982d58949b3e.001.1","noaa_urn:oid:2.49.0.1.840.0.3cc8921bde9b5d69ed708b5c9b7dac060e4930d6.001.1","noaa_urn:oid:2.49.0.1.840.0.62e9119bc4d7c706afb904af4e2e6925de91de71.001.1","noaa_urn:oid:2.49.0.1.840.0.5628d4dfaedfce09a3d7e03d46cc88d1b3aa4525.001.1","noaa_urn:oid:2.49.0.1.840.0.04988dd82ee9355e7609a4a007bf046e210a9d8d.001.1","noaa_urn:oid:2.49.0.1.840.0.b8d18e121d4a38dfaa6057b27c0f4e5ff07e7ea0.001.1","noaa_urn:oid:2.49.0.1.840.0.21e7bf8e6a841809d0fcdc8812ba5ddfcaba7cce.001.1","noaa_urn:oid:2.49.0.1.840.0.b550971e3b0f2a91000981e294514eabd08a0cc6.001.1"] |
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.
Review the area, threshold and delivery channel in your account.
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