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.
One other detection within 20 km in the last 24 hours, 12 km from here.
This alert expired on 10 May 2026 at 10:45 UTC. It is kept here as a record.
It is the 4th strongest of the 12 detections recorded within 20 km of this point since 9 May 2026. The last comparable one was on 9 May 2026. 7 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 10 at 5:11AM CDT until May 10 at 5:45AM CDT by NWS Norman OK
An estimated 204,965 people live within 50 km of this point.
Nearby, since 9 May 2026
- September 6, 2026 · score 37 · 11.8 km
- June 27, 2026 · score 52 · 17.5 km
- May 9, 2026 · score 48 · 18.6 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 80 % 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) | 43 / 100 |
| Our confidence | 80% |
| Coordinates | 34.9780, -97.4320 |
| Nearest City | Norman (27 km) |
| Population Exposed | 205.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-10T10:11:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.b359896443e376377479d4d410a408f899655bfd.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Cleveland, OK; Garvin, OK; McClain, OK |
| Headline | Severe Thunderstorm Warning issued May 10 at 5:11AM CDT until May 10 at 5:45AM CDT by NWS Norman OK |
| Expires | 2026-05-10T05:45:00-05:00 |
| 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 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 near Norman?
Calamity.live data shows a weather event with CalamityScore 43/100, near Norman (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.