This alert expired on 28 May 2026 at 18:45 UTC. It is kept here as a record.
No stronger detection stands among the 12 recorded within 20 km of this point since 28 April 2026 — 4 others scored the same. The last comparable one was on 27 May 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued May 27 at 7:33PM CDT until May 28 at 3:00PM CDT by NWS Fort Worth TX
An estimated 1,334,791 people live within 50 km of this point.
Nearby, since 28 April 2026
- June 8, 2026 · score 52 · 0.0 km
- June 7, 2026 · score 52 · 0.0 km
- May 27, 2026 · score 52 · 0.0 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 | 32.9140, -96.2460 |
| Nearest City | Terrell (20 km) |
| Population Exposed | 1.3M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-28T00:33:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.10c16ea1a3a900e176a4dc3491044ac93c8d8e08.001.1 |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Hunt, TX; Rockwall, TX |
| Headline | Flood Warning issued May 27 at 7:33PM CDT until May 28 at 3:00PM CDT by NWS Fort Worth TX |
| Expires | 2026-05-28T13:45:00-05:00 |
| SenderName | NWS Fort Worth 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.
Want to know when something happens near Terrell?
Calamity.live data shows a weather event with CalamityScore 52/100, near Terrell (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.