Right now
The most recent data we hold from NOAA arrived 3 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
10 other detections within 20 km in the last 24 hours, the nearest <1 km from here.
This alert expired on 12 September 2026 at 21:30 UTC. It is kept here as a record.
It is the 152nd strongest of the 169 detections recorded within 20 km of this point since 10 March 2026. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 12 at 3:47PM CDT until September 12 at 4:30PM CDT by NWS Norman OK
An estimated 942,154 people live within 50 km of this point.
Nearby, since 10 March 2026
- June 27, 2026 · score 52 · 10.6 km
- June 25, 2026 · score 64 · 10.6 km
- September 13, 2026 · score 58 · 10.6 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 41 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 v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 41 / 100 |
| Our confidence | 80% |
| Coordinates | 35.5170, -96.9845 |
| Nearest City | Shawnee (21 km) |
| Population Exposed | 942.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-12T20:47:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.da8a2805b4a99b0a081da9c792551b1617b88716.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Major, OK; Kingfisher, OK; Logan, OK; Pottawatomie, OK; Seminole, OK and 1 more areas |
| Headline | Severe Thunderstorm Warning issued September 12 at 3:47PM CDT until September 12 at 4:30PM CDT by NWS Norman OK |
| Expires | 2026-09-12T16:30:00-05:00 |
| SenderName | NWS Norman OK |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.da8a2805b4a99b0a081da9c792551b1617b88716.001.1","noaa_urn:oid:2.49.0.1.840.0.4ab8d1adde43e56b1c02d334940261bad1e09bf0.001.1","noaa_urn:oid:2.49.0.1.840.0.1d3a6e9e3705e9e4782f96a78180c6a440d414c6.001.1","noaa_urn:oid:2.49.0.1.840.0.e02c7143c08b507788d78661fbdbba93c5b49ffd.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 near Shawnee?