This alert expired on 15 June 2026 at 15:00 UTC. It is kept here as a record.
It is the 9th strongest of the 24 detections recorded within 20 km of this point since 20 April 2026. Another comparable one was recorded here earlier the same day. 6 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued June 15 at 7:24AM CDT until June 15 at 10:00AM CDT by NWS Austin/San Antonio TX
An estimated 1,752,304 people live within 50 km of this point.
Nearby, since 20 April 2026
- July 15, 2026 · score 76 · 7.5 km
- May 27, 2026 · score 52 · 15.1 km
- July 11, 2026 · score 52 · 20.7 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 81 % 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 | 81% |
| Coordinates | 29.8189, -98.5508 |
| Nearest City | Canyon Lake (29 km) |
| Population Exposed | 1.8M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-15T12:24:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.c31efb212a3181583492e5a5f4039d8e |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Blanco, TX; Hays, TX; Travis, TX; Bandera, TX; Kerr, TX; Bandera, TX; Bexar, TX; Kendall, TX; Medina, TX and 5 more areas |
| Headline | Flash Flood Warning issued June 15 at 7:24AM CDT until June 15 at 10:00AM CDT by NWS Austin/San Antonio TX |
| Expires | 2026-06-15T10:00:00-05:00 |
| SenderName | NWS Austin/San Antonio TX |
| HasExactCoords | true |
| MergedCount | 8 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.c31efb212a3181583492e5a5f4039d8ef4bedcc4.001.1","noaa_urn:oid:2.49.0.1.840.0.14b78e3c551f8acb003b14c1f595826d34623863.001.1","noaa_urn:oid:2.49.0.1.840.0.65f7a456f3d1d369e75c8644ca31e8fced900ae1.001.1","noaa_urn:oid:2.49.0.1.840.0.3c08787037bd4b8043e71750d7692870be0407a2.001.1","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:2.49.0.1.840.0.5628d4dfaedfce09a3d7e03d46cc88d1b3aa4525.001.1","noaa_urn:oid:2.49.0.1.840.0.04988dd82ee9355e7609a4a007bf046e210a9d8d.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 Canyon Lake?
Calamity.live data shows a weather event with CalamityScore 52/100, near Canyon Lake (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.