Right now
The most recent data we hold from NOAA arrived 8 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 22 May 2026 at 00:00 UTC. It is kept here as a record.
No stronger detection stands among the 16 recorded within 20 km of this point since 6 May 2026 — 13 others scored the same. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 21 at 5:54PM CDT until May 21 at 7:00PM CDT by NWS San Angelo TX
Nearby, since 6 May 2026
- May 21, 2026 · score 22 · 13.5 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 64 % 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) | 22 / 100 |
| Our confidence | 64% |
| Coordinates | 30.4250, -100.4417 |
| Nearest City | San Angelo (115 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-21T22:54:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.481b194049aa8e4a00bbdf1668da4df1040d53aa.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Sutton, TX |
| Headline | Severe Thunderstorm Warning issued May 21 at 5:54PM CDT until May 21 at 7:00PM CDT by NWS San Angelo TX |
| Expires | 2026-05-21T19:00:00-05:00 |
| SenderName | NWS San Angelo TX |
| HasExactCoords | true |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | Sonora |
| Iem County | Sutton |
| Iem State | TX |
| Iem Wfo | SJT |
| Iem Remark | Half-inch to one-inch size hail. |
| MergedSources | [{"id":"iem_H_30.570_-100.640_1779402900000","source":"iem","severity":"low","severityValue":25,"timestamp":1779402900000,"latitude":30.57,"longitude":-100.64}] |
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.
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