This alert expired on 23 May 2026 at 04:30 UTC. It is kept here as a record.
No stronger detection stands among the 22 recorded within 20 km of this point since 15 March 2026 — 5 others scored the same. The last comparable one was on 15 May 2026. 8 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 22 at 11:20PM CDT until May 22 at 11:30PM CDT by NWS Norman OK
Nearby, since 15 March 2026
- May 15, 2026 · score 22 · 12.3 km
- June 7, 2026 · score 22 · 20.0 km
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 60 % 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 | 60% |
| Coordinates | 35.4825, -98.8798 |
| Nearest City | El Reno (83 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-23T04:20:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.5532b09f0a0ccd093f0d2ba51e97e665 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Major, OK; Woods, OK; Comanche, OK; Cotton, OK; Greer, OK; Jackson, OK; Kiowa, OK; Tillman, OK; Wichita, TX; Wilbarger, TX |
| Headline | Severe Thunderstorm Warning issued May 22 at 11:20PM CDT until May 22 at 11:30PM CDT by NWS Norman OK |
| Expires | 2026-05-22T23:30:00-05:00 |
| SenderName | NWS Norman OK |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.5532b09f0a0ccd093f0d2ba51e97e6656ee14f82.001.1","noaa_urn:oid:2.49.0.1.840.0.a75e42c29dadb0dc374f52ff089377a73e030f5e.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.