This alert expired on 16 May 2026 at 02:15 UTC. It is kept here as a record.
No stronger detection stands among the 53 recorded within 20 km of this point since 15 March 2026 — 11 others scored the same. Another comparable one was recorded here earlier the same day. 14 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 15 at 9:02PM CDT until May 15 at 9:15PM CDT by NWS Norman OK
An estimated 1,123,117 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 27, 2026 · score 52 · 4.6 km
- August 7, 2026 · score 52 · 6.2 km
- May 10, 2026 · score 52 · 8.4 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 52 out of 100, at 80 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 52 / 100 |
| Our confidence | 80% |
| Coordinates | 35.6175, -97.6200 |
| Nearest City | Bethany (11 km) |
| Population Exposed | 1.1M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-16T02:02:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.38b77f59dd17b931ef51b6823e50d38f96f2df5b.002.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Canadian, OK; Logan, OK; Oklahoma, OK |
| Headline | Severe Thunderstorm Warning issued May 15 at 9:02PM CDT until May 15 at 9:15PM CDT by NWS Norman OK |
| Expires | 2026-05-15T21:15:00-05:00 |
| SenderName | NWS Norman OK |
| HasExactCoords | true |
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 10 February 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.
Calamity.live data shows a weather event with CalamityScore 52/100, near Bethany (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.