Right now
The most recent data we hold from NOAA arrived 5 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 10 May 2026 at 22:45 UTC. It is kept here as a record.
No stronger detection stands among the 16 recorded within 20 km of this point since 10 May 2026 — one other scored the same. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued May 10 at 4:58PM CDT until May 10 at 5:45PM CDT by NWS San Angelo TX
How we know
Confirmed by 5 independent sources, including NOAA.
Our own score for this event is 46 out of 100, at 70 % 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 | Critical |
| Calamity Score (ours) | 46 / 100 |
| Our confidence | 70% |
| Coordinates | 31.8920, -99.9920 |
| Nearest City | San Angelo (64 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-10T21:58:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.fe8a3b018db124e0e977487a5856aec2ae3631c3.001.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Runnels, TX |
| Headline | Tornado Warning issued May 10 at 4:58PM CDT until May 10 at 5:45PM CDT by NWS San Angelo TX |
| Expires | 2026-05-10T17:45:00-05:00 |
| SenderName | NWS San Angelo TX |
| HasExactCoords | true |
| Iem TypeSummary | H |
| Iem Magnitude | 2.75 |
| Iem Unit | Inch |
| Iem City | Blackwell |
| Iem County | Nolan |
| Iem State | TX |
| Iem Wfo | SJT |
| MergedSources | [{"id":"iem_H_31.880_-100.490_1778448480000","source":"iem","severity":"low","severityValue":25,"timestamp":1778448480000,"latitude":31.88,"longitude":-100.49},{"id":"iem_G_31.900_-100.490_1778447340000","source":"iem","severity":"low","severityValue":25,"timestamp":1778447340000,"latitude":31.9,"longitude":-100.49},{"id":"iem_H_31.920_-100.550_1778447880000","source":"iem","severity":"low","severityValue":25,"timestamp":1778447880000,"latitude":31.92,"longitude":-100.55},{"id":"iem_H_32.090_-100.320_1778447640000","source":"iem","severity":"low","severityValue":25,"timestamp":1778447640000,"latitude":32.09,"longitude":-100.32}] |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
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 in this area?
Calamity.live data shows a weather event with CalamityScore 46/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.