This alert expired on 10 May 2026 at 19:30 UTC. It is kept here as a record.
No stronger detection stands among the 8 recorded within 20 km of this point since 10 May 2026 — 7 others scored the same.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 10 at 1:38PM CDT until May 10 at 2:30PM CDT by NWS Norman OK
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 61 % 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 | 61% |
| Coordinates | 33.3474, -99.0434 |
| Nearest City | Wichita Falls (81 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-10T18:38:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.3f1e197e69b537421f0b1faf20c10980 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Archer, TX; Baylor, TX; Shackelford, TX; Throckmorton, TX |
| Headline | Severe Thunderstorm Warning issued May 10 at 1:38PM CDT until May 10 at 2:30PM CDT by NWS Norman OK |
| Expires | 2026-05-10T14:30:00-05:00 |
| SenderName | NWS Norman OK |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.3f1e197e69b537421f0b1faf20c1098031d2a76b.001.1","noaa_urn:oid:2.49.0.1.840.0.1c17cc06f8b3dfe21661919a8824c0999ef2f5e4.001.1"] |
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 in this area?
Calamity.live data shows a weather event with CalamityScore 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.