This alert expired on 28 May 2026 at 02:15 UTC. It is kept here as a record.
It is the 2nd strongest of the 26 detections recorded within 20 km of this point since 21 April 2026. Another comparable one was recorded here earlier the same day. 14 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued May 27 at 3:10AM CDT until May 27 at 9:26PM CDT by NWS Austin/San Antonio TX
An estimated 1,516,539 people live within 50 km of this point.
Nearby, since 21 April 2026
- June 6, 2026 · score 52 · 0.0 km
- May 21, 2026 · score 52 · 3.6 km
- April 21, 2026 · score 52 · 9.4 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 52 out of 100, at 90 % 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 | 90% |
| Coordinates | 30.6414, -97.6129 |
| Nearest City | Georgetown (7 km) |
| Population Exposed | 1.5M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-27T08:10:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.4ad29991fb610ca2dc50fc8e50a88768b4211682.001.1 |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Expected |
| Certainty | Likely |
| AreaDesc | Williamson, TX |
| Headline | Flood Warning issued May 27 at 3:10AM CDT until May 27 at 9:26PM CDT by NWS Austin/San Antonio TX |
| Expires | 2026-05-27T21:15:00-05:00 |
| SenderName | NWS Austin/San Antonio TX |
| HasExactCoords | true |
| Iem TypeSummary | F |
| Iem City | 3 ENE Burnet |
| Iem County | Burnet |
| Iem State | TX |
| Iem Wfo | EWX |
| Iem Remark | EM reports 1 water rescue located off CR200. With another vehicle stuck in mud near Hamilton creek and the Colorado River. Multiple reports of overtopped Low Water Crossings across the county. |
| Google News RssFeed | weather |
| Google News SourceName | KXAN Austin |
| MergedSources | [{"id":"iem_F_30.790_-98.180_1779848760000","source":"iem","severity":"low","severityValue":25,"timestamp":1779848760000,"latitude":30.79,"longitude":-98.18},{"id":"gnews_weather_494403_204","source":"google_news","severity":"medium","severityValue":40,"timestamp":1779851937000,"latitude":30.27,"longitude":-97.74}] |
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 Georgetown?
Calamity.live data shows a weather event with CalamityScore 52/100, near Georgetown (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.