Right now
The most recent data we hold from NOAA arrived 7 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 28 May 2026 at 23:00 UTC. It is kept here as a record.
No stronger detection stands among the 5 recorded within 20 km of this point since 19 May 2026 — 4 others scored the same. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 28 at 5:28PM CDT until May 28 at 6:00PM CDT by NWS San Angelo TX
An estimated 20,120 people live within 50 km of this point.
Nearby, since 19 May 2026
- May 24, 2026 · score 34 · 13.8 km
- May 19, 2026 · score 34 · 21.6 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 out of 100, at 78 % 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) | 34 / 100 |
| Our confidence | 78% |
| Coordinates | 32.3825, -98.4253 |
| Nearest City | Stephenville (28 km) |
| Population Exposed | 20.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-28T22:28:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.73b2eadc1dd389fbbfab6c90439510d3 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Callahan, TX; Hood, TX; Johnson, TX; Parker, TX; Tarrant, TX |
| Headline | Severe Thunderstorm Warning issued May 28 at 5:28PM CDT until May 28 at 6:00PM CDT by NWS San Angelo TX |
| Expires | 2026-05-28T18:00:00-05:00 |
| SenderName | NWS San Angelo TX |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.73b2eadc1dd389fbbfab6c90439510d397de6875.001.1","noaa_urn:oid:2.49.0.1.840.0.413fe4c59b92e3546e769c5283487e5b19083f45.001.1"] |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
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 Stephenville?
Calamity.live data shows a weather event with CalamityScore 34/100, near Stephenville (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.